67be8bab191ebc4539df387ac0ae49e6

PE Executable

MD5: 67be8bab191ebc4539df387ac0ae49e6

Size: 20.48 KB

application/x-dosexec

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Symbol Obfuscation Score Low

MD5	67be8bab191ebc4539df387ac0ae49e6
Sha1	0589ece467bdee0b3b8a5758dde8edf1244ef3c6
Sha256	16e016b86ba7cd73dbedd90e3320a504454ed65291ca46f2dd2ad186b24b74b4
Sha384	50dd9e53ebb5621e9272aeeb93c6f903e1cf224f3cfe133cc2e91a5236a638b8adf1a6aa597312ec9b555707fd7e2e6c
Sha512	96426610c116d32c289de46b44af5b7a86a82cb1f76d19bab0ba1c64c6a22ea3a168fd00921aea9629b64bffec4713168c977acb7ad277e240e09d3b3b981ea3
SSDeep	384:AGw36kflbWv5v4qBHPbd43afr2VSti8m3rusBa:AGw3ht6Xdb7zcSM77a
TLSH	6892E744BBD89618F0BE4AB5A9B310040570B8179836E61E1ED6508D1D37F80FA1BBEF

PeID

.NET executableMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual Studio .NET

STICH beta

No STICH Path has been generated for this analysis yet.

1 structural branch were classified as secondary (decorative or non-determinant content) and did not produce a fingerprint.

bin 1

Name	Value
Info	PE Detect: PeReader OK (file layout)
Module Name	hst_tool_clean.exe
Full Name	hst_tool_clean.exe
EntryPoint	System.Int32 HstTool.Program::Main()
Scope Name	hst_tool_clean.exe
Scope Type	ModuleDef
Kind	Console
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	hst_tool_clean
Assembly Version	0.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	156
Main Method	System.Int32 HstTool.Program::Main()
Main IL Instruction Count	184
Main IL	call System.IntPtr HstTool.Program::GetConsoleWindow() stloc.0 <null> ldloc.0 <null> ldsfld System.IntPtr System.IntPtr::Zero call System.Boolean System.IntPtr::op_Inequality(System.IntPtr,System.IntPtr) brfalse IL_001E: call System.Reflection.Assembly System.Reflection.Assembly::GetExecutingAssembly() ldloc.0 <null> ldc.i4.0 <null> call System.Boolean HstTool.Program::ShowWindow(System.IntPtr,System.Int32) pop <null> call System.Reflection.Assembly System.Reflection.Assembly::GetExecutingAssembly() callvirt System.String System.Reflection.Assembly::get_Location() stsfld System.String HstTool.Program::SelfPath call System.String System.IO.Path::GetTempPath() ldstr hst.txt call System.String System.IO.Path::Combine(System.String,System.String) stsfld System.String HstTool.Program::LogFile ldc.i4.0 <null> stsfld System.Boolean HstTool.Program::IsGuardMode call System.String[] System.Environment::GetCommandLineArgs() stloc.1 <null> ldloc.1 <null> stloc.3 <null> ldc.i4.0 <null> stloc.s V_4 br IL_0078: ldloc.s V_4 ldloc.3 <null> ldloc.s V_4 ldelem.ref <null> stloc.2 <null> ldloc.2 <null> ldstr --guard call System.Boolean System.String::op_Equality(System.String,System.String) brfalse IL_0072: ldloc.s V_4 ldc.i4.1 <null> stsfld System.Boolean HstTool.Program::IsGuardMode ldloc.s V_4 ldc.i4.1 <null> add <null> stloc.s V_4 ldloc.s V_4 ldloc.3 <null> ldlen <null> conv.i4 <null> blt IL_0057: ldloc.3 call System.String HstTool.Program::FindHostsPath() stsfld System.String HstTool.Program::HostsPath ldsfld System.String HstTool.Program::HostsPath call System.String System.IO.Path::GetDirectoryName(System.String) stsfld System.String HstTool.Program::EtcPath call System.Boolean HstTool.Program::HostsAlreadyApplied() brfalse IL_00B1: call System.Boolean HstTool.Program::HasAdminPrivileges() ldstr Entries already present, skipping call System.Void HstTool.Program::Log(System.String) ldc.i4.0 <null> ret <null> call System.Boolean HstTool.Program::HasAdminPrivileges() brtrue IL_0158: ldstr "=== hst tool started ===" newobj System.Void System.Text.StringBuilder::.ctor() stloc.s V_5 ldc.i4.1 <null> stloc.s V_6 br IL_0102: ldloc.s V_6 ldloc.s V_6 ldc.i4.1 <null> ble IL_00DC: ldloc.s V_5 ldloc.s V_5 ldc.i4.s 32 callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.Char) pop <null> ldloc.s V_5 ldc.i4.s 34 callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.Char) pop <null> ldloc.s V_5 ldloc.1 <null> ldloc.s V_6 ldelem.ref <null> callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.String) pop <null> ldloc.s V_5 ldc.i4.s 34 callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.Char) pop <null> ldloc.s V_6 ldc.i4.1 <null> add <null> stloc.s V_6 ldloc.s V_6 ldloc.1 <null> ldlen <null> conv.i4 <null> blt IL_00CA: ldloc.s V_6 ldloc.s V_5 callvirt System.String System.Object::ToString() stloc.s V_7 ldsfld System.String HstTool.Program::SelfPath ldloc.s V_7 newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String,System.String) stloc.s V_9 ldloc.s V_9 ldstr runas callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Verb(System.String) ldloc.s V_9 ldc.i4.1 <null> callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean) ldloc.s V_9 ldc.i4.1 <null> callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle) ldloc.s V_9 stloc.s V_8 ldloc.s V_8 call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo) pop <null> leave IL_0156: ldc.i4.0 pop <null> leave IL_0156: ldc.i4.0 ldc.i4.0 <null> ret <null> ldstr === hst tool started === call System.Void HstTool.Program::Log(System.String) call System.String HstTool.Program::FindHostsPath() stsfld System.String HstTool.Program::HostsPath ldsfld System.String HstTool.Program::HostsPath call System.String System.IO.Path::GetDirectoryName(System.String) stsfld System.String HstTool.Program::EtcPath call System.Boolean HstTool.Program::HostsAlreadyApplied() brfalse IL_0197: ldsfld System.Boolean HstTool.Program::IsGuardMode ldstr Entries already present, skipping call System.Void HstTool.Program::Log(System.String) ldc.i4.0 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 ldsfld System.Boolean HstTool.Program::IsGuardMode brfalse IL_01AD: ldstr "Unlocking hosts file" call System.Int32 HstTool.Program::RunGuard() stloc.s V_10 leave IL_026B: ldloc.s V_10 ldstr Unlocking hosts file call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::EnsureHostsWritable() ldstr Writing hosts entries call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::EditHostsFile() call System.Boolean HstTool.Program::VerifyHostsOnDisk() brtrue IL_01E7: ldstr "Hosts written successfully, locking hosts file" ldstr FATAL: hosts write failed after unlock call System.Void HstTool.Program::Log(System.String) ldc.i4.1 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 ldstr Hosts written successfully, locking hosts file call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::LockHostsFileWithServiceRead() ldstr Flushing DNS cache call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::FlushDns() call System.Boolean HstTool.Program::VerifyHostsOnDisk() brtrue IL_021E: ldstr "Done, hosts locked read-only" ldstr CRITICAL: hosts empty after lock call System.Void HstTool.Program::Log(System.String) br IL_0228: ldstr "Done, closing..." ldstr Done, hosts locked read-only call System.Void HstTool.Program::Log(System.String) ldstr Done, closing... call System.Void HstTool.Program::Log(System.String) ldc.i4.0 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 stloc.s V_11 ldstr FATAL: ldloc.s V_11 callvirt System.Type System.Exception::GetType() callvirt System.String System.Reflection.MemberInfo::get_Name() ldstr - ldloc.s V_11 callvirt System.String System.Exception::get_Message() call System.String System.String::Concat(System.String,System.String,System.String,System.String) call System.Void HstTool.Program::Log(System.String) ldc.i4.1 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 ldloc.s V_10 ret <null>
Module Name	hst_tool_clean.exe
Full Name	hst_tool_clean.exe
EntryPoint	System.Int32 HstTool.Program::Main()
Scope Name	hst_tool_clean.exe
Scope Type	ModuleDef
Kind	Console
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	hst_tool_clean
Assembly Version	0.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	156
Main Method	System.Int32 HstTool.Program::Main()
Main IL Instruction Count	184
Main IL	call System.IntPtr HstTool.Program::GetConsoleWindow() stloc.0 <null> ldloc.0 <null> ldsfld System.IntPtr System.IntPtr::Zero call System.Boolean System.IntPtr::op_Inequality(System.IntPtr,System.IntPtr) brfalse IL_001E: call System.Reflection.Assembly System.Reflection.Assembly::GetExecutingAssembly() ldloc.0 <null> ldc.i4.0 <null> call System.Boolean HstTool.Program::ShowWindow(System.IntPtr,System.Int32) pop <null> call System.Reflection.Assembly System.Reflection.Assembly::GetExecutingAssembly() callvirt System.String System.Reflection.Assembly::get_Location() stsfld System.String HstTool.Program::SelfPath call System.String System.IO.Path::GetTempPath() ldstr hst.txt call System.String System.IO.Path::Combine(System.String,System.String) stsfld System.String HstTool.Program::LogFile ldc.i4.0 <null> stsfld System.Boolean HstTool.Program::IsGuardMode call System.String[] System.Environment::GetCommandLineArgs() stloc.1 <null> ldloc.1 <null> stloc.3 <null> ldc.i4.0 <null> stloc.s V_4 br IL_0078: ldloc.s V_4 ldloc.3 <null> ldloc.s V_4 ldelem.ref <null> stloc.2 <null> ldloc.2 <null> ldstr --guard call System.Boolean System.String::op_Equality(System.String,System.String) brfalse IL_0072: ldloc.s V_4 ldc.i4.1 <null> stsfld System.Boolean HstTool.Program::IsGuardMode ldloc.s V_4 ldc.i4.1 <null> add <null> stloc.s V_4 ldloc.s V_4 ldloc.3 <null> ldlen <null> conv.i4 <null> blt IL_0057: ldloc.3 call System.String HstTool.Program::FindHostsPath() stsfld System.String HstTool.Program::HostsPath ldsfld System.String HstTool.Program::HostsPath call System.String System.IO.Path::GetDirectoryName(System.String) stsfld System.String HstTool.Program::EtcPath call System.Boolean HstTool.Program::HostsAlreadyApplied() brfalse IL_00B1: call System.Boolean HstTool.Program::HasAdminPrivileges() ldstr Entries already present, skipping call System.Void HstTool.Program::Log(System.String) ldc.i4.0 <null> ret <null> call System.Boolean HstTool.Program::HasAdminPrivileges() brtrue IL_0158: ldstr "=== hst tool started ===" newobj System.Void System.Text.StringBuilder::.ctor() stloc.s V_5 ldc.i4.1 <null> stloc.s V_6 br IL_0102: ldloc.s V_6 ldloc.s V_6 ldc.i4.1 <null> ble IL_00DC: ldloc.s V_5 ldloc.s V_5 ldc.i4.s 32 callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.Char) pop <null> ldloc.s V_5 ldc.i4.s 34 callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.Char) pop <null> ldloc.s V_5 ldloc.1 <null> ldloc.s V_6 ldelem.ref <null> callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.String) pop <null> ldloc.s V_5 ldc.i4.s 34 callvirt System.Text.StringBuilder System.Text.StringBuilder::Append(System.Char) pop <null> ldloc.s V_6 ldc.i4.1 <null> add <null> stloc.s V_6 ldloc.s V_6 ldloc.1 <null> ldlen <null> conv.i4 <null> blt IL_00CA: ldloc.s V_6 ldloc.s V_5 callvirt System.String System.Object::ToString() stloc.s V_7 ldsfld System.String HstTool.Program::SelfPath ldloc.s V_7 newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String,System.String) stloc.s V_9 ldloc.s V_9 ldstr runas callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Verb(System.String) ldloc.s V_9 ldc.i4.1 <null> callvirt System.Void System.Diagnostics.ProcessStartInfo::set_UseShellExecute(System.Boolean) ldloc.s V_9 ldc.i4.1 <null> callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle) ldloc.s V_9 stloc.s V_8 ldloc.s V_8 call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo) pop <null> leave IL_0156: ldc.i4.0 pop <null> leave IL_0156: ldc.i4.0 ldc.i4.0 <null> ret <null> ldstr === hst tool started === call System.Void HstTool.Program::Log(System.String) call System.String HstTool.Program::FindHostsPath() stsfld System.String HstTool.Program::HostsPath ldsfld System.String HstTool.Program::HostsPath call System.String System.IO.Path::GetDirectoryName(System.String) stsfld System.String HstTool.Program::EtcPath call System.Boolean HstTool.Program::HostsAlreadyApplied() brfalse IL_0197: ldsfld System.Boolean HstTool.Program::IsGuardMode ldstr Entries already present, skipping call System.Void HstTool.Program::Log(System.String) ldc.i4.0 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 ldsfld System.Boolean HstTool.Program::IsGuardMode brfalse IL_01AD: ldstr "Unlocking hosts file" call System.Int32 HstTool.Program::RunGuard() stloc.s V_10 leave IL_026B: ldloc.s V_10 ldstr Unlocking hosts file call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::EnsureHostsWritable() ldstr Writing hosts entries call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::EditHostsFile() call System.Boolean HstTool.Program::VerifyHostsOnDisk() brtrue IL_01E7: ldstr "Hosts written successfully, locking hosts file" ldstr FATAL: hosts write failed after unlock call System.Void HstTool.Program::Log(System.String) ldc.i4.1 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 ldstr Hosts written successfully, locking hosts file call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::LockHostsFileWithServiceRead() ldstr Flushing DNS cache call System.Void HstTool.Program::Log(System.String) call System.Void HstTool.Program::FlushDns() call System.Boolean HstTool.Program::VerifyHostsOnDisk() brtrue IL_021E: ldstr "Done, hosts locked read-only" ldstr CRITICAL: hosts empty after lock call System.Void HstTool.Program::Log(System.String) br IL_0228: ldstr "Done, closing..." ldstr Done, hosts locked read-only call System.Void HstTool.Program::Log(System.String) ldstr Done, closing... call System.Void HstTool.Program::Log(System.String) ldc.i4.0 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 stloc.s V_11 ldstr FATAL: ldloc.s V_11 callvirt System.Type System.Exception::GetType() callvirt System.String System.Reflection.MemberInfo::get_Name() ldstr - ldloc.s V_11 callvirt System.String System.Exception::get_Message() call System.String System.String::Concat(System.String,System.String,System.String,System.String) call System.Void HstTool.Program::Log(System.String) ldc.i4.1 <null> stloc.s V_10 leave IL_026B: ldloc.s V_10 ldloc.s V_10 ret <null>

No malware configuration was found at this point.

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