Malicious
PE Executable
MD5: 43ba5a3f20774f2ac402d8b310825f84
Size: 28.16 KB
application/x-dosexec
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This sample is a 27.5 KB PE Executable identified by Malva.RE as njRat (rat). Static analysis extracted 3 embedded or derived files, a malware configuration (njRAT config.) and 1 command-and-control endpoint. It matches 10 YARA rules. The file was analysed statically: it was parsed and decompiled, never executed.
- SHA256
- df565eec185189cd6281e541953975959b81524626f38272a85b6eef71c4ec16
- MD5
- 43ba5a3f20774f2ac402d8b310825f84
- Verdict
- Malicious
- File type
- PE Executable · 27.5 KB
- Family
- njRat
- Category
- RAT
- C2 (defanged)
adobeupdate[.]ddns[.]net
Cite this report: https://app.malva.re/sha256/df565eec185189cd6281e541953975959b81524626f38272a85b6eef71c4ec16
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Get an AI-generated breakdown of this malware's behaviour, IOCs and recommendations.
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Type
Portable Executable file
Size
28.16 KB · 28,160 B
First seen
2026-11-04 04:45 · 50 minutes ago
Last seen
2026-11-04 04:45 · 50 minutes ago
Last analysis
2026-11-04 04:45 · 50 minutes ago
Hashes
MD5
43ba5a3f20774f2ac402d8b310825f84
Sha1
cec6ef6fdc36297935d1a352ce0f7a70cbbf27f2
Sha256
df565eec185189cd6281e541953975959b81524626f38272a85b6eef71c4ec16
Sha384
18d236cb4304e7b2b287b9be40c90aba6414a584abc81747e5d6904415d35cb1f05714fa8dc6a928d8e31b2c5e2ca8bc
Sha512
91f83e9ac9f3ea9d607b10fa55ddd672094bb7b1c62b960d08df0dd059349d8a66d0222c16253099264404f730b315ea308c05088130a5183223b2ff05fe2cb1
SSDeep
384:2c6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZH1PkR:ue9EJLN/yRpcnuu
TLSH
39C2194A3FA8C856C5AC1770C5A6C6B00370A9470412EE2B9CC578DBBF73BD52D48AF9
Detection
PeID
.NET executableMicrosoft Visual C# / Basic .NETMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual C# v7.0 / Basic .NETMicrosoft Visual Studio .NET
Symbol obfuscation
Low
1 malicious · 4 files
EXE43ba5a3f20774f2ac402d8b310825f84njRat
Structure
BINResources
STICH
beta
Structural Threat Infection Chain Hash
A content-independent fingerprint of the infection method: successive formats, internal objects and MITRE techniques from the initial file to each final payload.
STICH Path = the fingerprint (canonical chain with techniques)
STICH Shape = structure only
Only determinant branches produce STICH Paths.
Path
pe:exe>pe:rsrc>bin
Shape
pe:exe>pe:rsrc>bin
malicious
3 nodes
| Config. Field | Value |
|---|---|
| victim_name [VN] | |
| version [VR] | 0huhuhuhu |
| executable_name [EXE] | serhuhuhuhu |
| directory [DR] | Thuhuhuhu |
| reg_key [RG] | 7c1307huhuhuhuhuhuhuhuhuhuhu |
| cnc_host [H] | adobeuhuhuhuhuhuhuhu |
| cnc_port [P] | 3huhuhuhu |
| splitter [Y] | |huhuhuhu |
| BD [BD] | Fhuhuhuhu |
| is_dir_defined [Idr] | Thuhuhuhu |
| is_startup_folder [IsF] | Fhuhuhuhu |
| is_user_reg [Isu] | Thuhuhuhu |
| reg_path [sf] | Softwahuhuhuhuhuhuhuhuhuhuhu |
| packet_size [b] | 5huhuhuhu |
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential| Name | Value |
|---|---|
| Module Name | j.exe |
| Full Name | j.exe |
| EntryPoint | System.Void j.A::main() |
| Scope Name | j.exe |
| Scope Type | ModuleDef |
| Kind | Windows |
| Runtime Version | v2.0.50727 |
| Tables Header Version | 512 |
| WinMD Version | <null> |
| Assembly Name | j |
| Assembly Version | 0.0.0.0 |
| Assembly Culture | <null> |
| Has PublicKey | False |
| PublicKey Token | <null> |
| Target Framework | <null> |
| Total Strings | 214 |
| Main Method | System.Void j.A::main() |
| Main IL Instruction Count | 2 |
| Main IL | |
| Module Name | j.exe |
| Full Name | j.exe |
| EntryPoint | System.Void j.A::main() |
| Scope Name | j.exe |
| Scope Type | ModuleDef |
| Kind | Windows |
| Runtime Version | v2.0.50727 |
| Tables Header Version | 512 |
| WinMD Version | <null> |
| Assembly Name | j |
| Assembly Version | 0.0.0.0 |
| Assembly Culture | <null> |
| Has PublicKey | False |
| PublicKey Token | <null> |
| Target Framework | <null> |
| Total Strings | 214 |
| Main Method | System.Void j.A::main() |
| Main IL Instruction Count | 2 |
| Main IL | |
CnC
CNCmalicious
adobeuhuhuhuhuhuhuhu
Port
PORTmalicious
3huhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
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