Malicious
Malicious

4b8bb2ee7accb9cd8493c9cd6b706535

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PE Executable
MD5: 4b8bb2ee7accb9cd8493c9cd6b706535
Size: 3.59 MB
application/x-dosexec

This sample is a 3.4 MB PE Executable identified by Malva.RE as Go Loader (Factory-v3) (stealer loader). Static analysis extracted 2 embedded or derived files. It matches 3 YARA rules. Observed behaviours map to MITRE ATT&CK T1027 and T1055. The file was analysed statically: it was parsed and decompiled, never executed.

SHA256
53d3e583edfa14a1ab7decf5b5c5d36ead371350a9c71fd6650c0e3e9a1081c5
MD5
4b8bb2ee7accb9cd8493c9cd6b706535
Verdict
Malicious
File type
PE Executable · 3.4 MB
Family
Go Loader (Factory-v3)
Category
Stealer Loader
MITRE ATT&CK
T1027T1055

Cite this report: https://app.malva.re/sha256/53d3e583edfa14a1ab7decf5b5c5d36ead371350a9c71fd6650c0e3e9a1081c5

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File
Type
Portable Executable file
Size
3.59 MB · 3,592,888 B
First seen
2026-10-26 00:15 · 37 minutes ago
Last seen
2026-10-26 00:15 · 37 minutes ago
Last analysis
2026-10-26 00:16 · 36 minutes ago
Hashes
MD5 4b8bb2ee7accb9cd8493c9cd6b706535 Sha1 1c27a8f2472f870b8e388f50cc7eafe3b459dda1 Sha256 53d3e583edfa14a1ab7decf5b5c5d36ead371350a9c71fd6650c0e3e9a1081c5 Sha384 72af7a14c19ae59041817e8723e60b07c40b5db4267750923a9514cd92d2c6ea6d47ee5c8805e25b5b4b16ae4436965b Sha512 6a8981da85fecdfb23c816b3aa22c8e4c3aac94f1a06c17b686d8c0eaa98ed48fac87bb1319a3977d4c57e5aef4417c47ed4c2bfac37ec3630a017a416fd8076 SSDeep 98304:niJ2oaNEfaVbzxGvBkBWZGVLTfh7wpEES4Oe:iJiafuIO7rhWEES4B TLSH FBF5335BF1AB47B3F7D9A831560FC66458B09FE40A20D38AD4DBAA9F0886FD0C241375
Detection
PeID
Microsoft Visual C++ v6.0 DLLUPX -> www.upx.sourceforge.netUPX 2.93 - 3.95 (LZMA) ASL sign UPX 3.02UPX v3.0UPX v3.0 (EXE_LZMA) -> Markus Oberhumer & Laszlo Molnar & John Reiser

2 malicious · 3 files
EXE4b8bb2ee7accb9cd8493c9cd6b706535Go Loader (Factory-v3)
Structure
EXE[UPX unpacked Lzma].exeGo Loader (Factory-v3)
Structure
BINOverlay_6d27e1f0.bin
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~T1027~T1055>bin
Shape pe:exe>bin
malicious 2 nodes

Name Value
UPX
UPX method: Lzma, filter: X86CallJumpBe
UPX 
UPX anomaly: PE reconstructed from saved NT headers; DOS stub retained; PE checksum cleared; overlay not restored
Info
Overlay extracted: Overlay_6d27e1f0.bin (184 bytes)

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