Malicious
Malicious

bc589c855ee3009da44551fe80f4e1e3

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VB5/6 Executable
MD5: bc589c855ee3009da44551fe80f4e1e3
Size: 471.04 KB
application/x-dosexec
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This sample is a 460 KB VB5/6 Executable identified by Malva.RE as DarkCloud Stealer (stealer). Static analysis extracted 16 embedded or derived files, a malware configuration (DarkCloud configuration) and 1 command-and-control endpoint. It matches 12 YARA rules. The file was analysed statically: it was parsed and decompiled, never executed.

SHA256
cc366589246f7c04e7c2c8ceb32a418a4fea049a762cf9de76995398676f6ee3
MD5
bc589c855ee3009da44551fe80f4e1e3
Verdict
Malicious
File type
VB5/6 Executable · 460 KB
Category
Stealer
C2 (defanged)
mail[.]mokasco[.]com

Cite this report: https://app.malva.re/sha256/cc366589246f7c04e7c2c8ceb32a418a4fea049a762cf9de76995398676f6ee3

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File
Type
VBScript file
Size
471.04 KB · 471,040 B
First seen
2026-10-19 08:15 · 6 days ago
Last seen
2026-10-19 08:15 · 6 days ago
Last analysis
2026-10-26 02:32 · an hour ago
Hashes
MD5 bc589c855ee3009da44551fe80f4e1e3 Sha1 d04ce442f7389f5efc490d3a5f838a59c14c6f92 Sha256 cc366589246f7c04e7c2c8ceb32a418a4fea049a762cf9de76995398676f6ee3 Sha384 2048874efb55ed038914dee6a87194ea8bfdc791315e8bfa3dfb8fdd706d9beb736e0a94b253eb08f46ec01ab1700eb0 Sha512 3a3465fb120e13c3bc06ed86f86301aa89edc48f91f0f401f396129d1b626a6a71fe5529c68ca55cac37b8f78926ce5c65953866c02ed4025a924922865b7685 SSDeep 6144:BnqA8d1/w5KA81IJ8GpF6nuTmOOUiBUrjjArHeGRl4o7qhmcY4d4uyPIQ2QV0CWz:BnojYKkJj6GmZUiqrXCx4f76uyPIvx TLSH 0CA43903AA60A12DF1A3C9F1ACB5A29628267D3917DCE89BB3405F5935315D3ACF131F
Detection
PeID
Free Pascal v0.99.10MASM/TASM - sig4 (h)Microsoft Visual Basic v5.0Microsoft Visual Basic v5.0Microsoft Visual Basic v5.0 - v6.0Protect Shareware V1.1 -> eCompserv CMS

1 malicious · 17 files
EXEbc589c855ee3009da44551fe80f4e1e3DarkCloud Stealer
Structure
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
Extraction method VBReFohuhuhuhuhuhuhuhuhuhuhu
Exfiltration configuration complete Thuhuhuhu
Version 4huhuhuhu
StagingDirectory %AppDahuhuhuhuhuhuhuhuhuhuhu
FTP.Enabled Fhuhuhuhu
FTP.Server [builder placeholder] @Strhuhuhuhuhuhuhu
FTP.Username [builder placeholder] @Sthuhuhuhu
FTP.Password [builder placeholder] @Sthuhuhuhu
SMTP.Enabled Thuhuhuhu
SMTP.Recipient e.bauthuhuhuhuhuhuhu
SMTP.Server mail.huhuhuhuhuhuhu
SMTP.Username Adam.bhuhuhuhuhuhuhu
SMTP.Sender Adam.bhuhuhuhuhuhuhu
SMTP.Password Qz9fhuhuhuhu
SMTP.Port 5huhuhuhu
SMTP.UseSsl fhuhuhuhu
SMTP.Authentication 1huhuhuhu
HTTP.Enabled Fhuhuhuhu
HTTP.GateUrl [builder placeholder] @Ghuhuhuhu
Telegram.Enabled Fhuhuhuhu
Telegram.BotToken [builder placeholder] @Strhuhuhuhu
Telegram.ChatId [builder placeholder] @Chuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
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Name Value
VB6 decompilation
VBReFormer 1.0.0+eed41cd404617014a6bab3b9a7b7e1fe6774591b: 11 project files (native).
DarkCloud extraction
VBReFormer reconstruction diagnostics are retained separately under VB6/Decompilation.

DarkCloud SMTP.Recipient EMAILmalicious
e.bauthuhuhuhuhuhuhu
DarkCloud SMTP.Server CNCmalicious
mail.huhuhuhuhuhuhu
DarkCloud SMTP.Username EMAILmalicious
Adam.bhuhuhuhuhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
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