Go Loader (Factory-v3) malware analysis – 2d1b4b3cd07c

Ctrl + scroll to zoom · drag to pan

Get an AI-generated breakdown of this malware's behaviour, IOCs and recommendations.

AI analysis is available with Essential.

Unlock with Essential

File

Type

Portable Executable file

Size

4.11 MB · 4,106,104 B

First seen

2026-10-23 12:30 · 2 days ago

Last seen

2026-10-23 12:30 · 2 days ago

Last analysis

2026-10-23 19:05 · 2 days ago

Hashes

MD5 ca7fc82dbe90f6f6f522c7eb3c169d69 Sha1 1a4e9a844df399549e53d82e5d6f6c369c087e2c Sha256 2d1b4b3cd07c20bf13b7c64246a89a8c0a6f6a6f13c274c9dd568ee5a580947c Sha384 1786df4546b163278188496e3a67825bff3e186b2ecdac5d3424fe6051236353b7a9cf007edae26159acb4d9a9b4cf12 Sha512 4b8686b25db1a749bf6179dda7da669d9dca81a2ed4f82c16af5daa8bbbdcd4a7c865bb88d979e192f9b0dbbff1e3e6c19ee7d567350067f576fc59423158cd7 SSDeep 98304:vgpxBW+cUKP6HhQQBP+OtP3EDgKhYZd1HFSyTvPS:vgf0+cUmAhdUuRSyTS TLSH 6F169E07BCA54A95C4AAB7314A7351527A34BC488B3533D76F80B3B82FB2FD28A75744

Detection

PeID

HQR data fileMicrosoft Visual C++ v6.0 DLLtElock 1.0 (private) -> tE!tElock 1.0 (private) -> tE!

2 malicious · 4 files

EXEca7fc82dbe90f6f6f522c7eb3c169d69Go Loader (Factory-v3)

Structure

P7B[Authenticode]_4e1d7912.p7b

EXE[GoLoader payload 1].exe

Structure

BINOverlay_fe522059.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

Info

Name	Value
Info	Authenticode present at 0x3E8800 size 8056 bytes
Attribution	`Loader Go Factory-v3 : le stealer livré (Vidar, Lumma ou RemusStealer selon le build) est mappé en mémoire et n'est pas attribuable statiquement.`
GoLoader	`GoLoader payload 1: 1457775 bytes, sha256 75d42ee13c056517578802523cfff263e92a40f51bc01735888f1a90d5689f0a, Go/affine-five-pass -> literal-prefix:b081bccdc7d9dee50ef00a1f1a1650 -> initializer:0x148ba7 -> subtract-indexed:bias=9;index=31 -> Reverse -> subtract-indexed:bias=-78;index=13 -> SwapAdjacent -> subtract-indexed:bias=-24;index=7`

Authenticode present at 0x3E8800 size 8056 bytes

Attribution

Loader Go Factory-v3 : le stealer livré (Vidar, Lumma ou RemusStealer selon le build) est mappé en mémoire et n'est pas attribuable statiquement.

GoLoader

GoLoader payload 1: 1457775 bytes, sha256 75d42ee13c056517578802523cfff263e92a40f51bc01735888f1a90d5689f0a, Go/affine-five-pass -> literal-prefix:b081bccdc7d9dee50ef00a1f1a1650 -> initializer:0x148ba7 -> subtract-indexed:bias=9;index=31 -> Reverse -> subtract-indexed:bias=-78;index=13 -> SwapAdjacent -> subtract-indexed:bias=-24;index=7