MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

MaskGramStealer

Vendor detections: 13

Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash:	2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d
SHA3-384 hash:	88c31c712f8e982b4a2f440f9dbddc23ca9da567138b2659b94d2895ac3272a884f459b0c0aa423d084645aa8b0c1e22
SHA1 hash:	1b078d36030c80b30eaabdc3a62ca4d1cd45d334
MD5 hash:	3234788f1602cb04127d9e4d90ddb3a5
humanhash:	failed-fifteen-seventeen-carbon
File name:	file
Download:	download sample
Signature	MaskGramStealer Create hunting rule
File size:	7'443'584 bytes
First seen:	2025-12-06 20:39:45 UTC
Last seen:	2025-12-07 05:06:39 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 47 x Vidar, 24 x Stealc)
ssdeep	49152:UesZi33yDtPWARB72U4FiUqac79tyTVD+5wLKa/YRtGqR6UK1BpVtyTVD+5wLKK:mA38/2cf0u
TLSH	T1F5760842B9524969E57BF2399051E250B7317C0943F13BD36FE817698C2AACC2F3EB19
gimphash	562e6c85c6b99b8430ad0598dac60db56cc6f283a4a1ef9e49bac360af80241e
TrID	48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
dhash icon	ccccd4cccc334d4d (1 x MaskGramStealer)
Reporter	Bitsight
Tags:	dropped-by-gcleaner exe MaskGramStealer signed U UNIQ.file

Code Signing Certificate

Organisation:	githab.com
Issuer:	R13
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-10-16T07:06:41Z
Valid to:	2026-01-14T07:06:40Z
Serial number:	06811e3acd8227232ee58a61ecd714a9b643
Intelligence:	75 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	9684a257822dc21282bd29a40cc5a00995013e421bb373ef2a0c77def1250c40
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Bitsight

url: http://194.38.20.224/service

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Going

Details

Link:

https://research.acce.ciphertechsolutions.com/results/e6abe8f8-ca41-4325-91d1-b89b7db06699/

Malware family:

n/a

ID:

File name:

_2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d.exe

Verdict:

Suspicious activity

Analysis date:

2025-12-06 20:40:37 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/4abdd158-7ea4-49bc-a8fc-0a362bae6e69

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/42839/

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=693494b7920336450abc0ac5

Tags:

injection obfusc crypt

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context anti-vm crypto golang signed

Link:

https://www.filescan.io/uploads/693494b2bba50eaf04249071/reports/17b9da81-1e42-4fb4-bb9d-945d4dbac742/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d

Verdict:

Malicious

File Type:

exe x64

First seen:

2025-12-06T18:05:00Z UTC

Last seen:

2025-12-07T21:45:00Z UTC

Hits:

~100

Detections:

UDS:DangerousObject.Multi.Generic

Link:

https://opentip.kaspersky.com/2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/c010dfae-44eb-4381-97a6-9d5ba386eff4

Score:

62%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/3234788f1602cb04127d9e4d90ddb3a5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d/

Verdict:

Susipicious

Link:

https://tip.neiki.dev/file/2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2025-12-06 20:40:22 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 38 (42.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=frjgm2rune3fqvxijrhn4lntx5plxqjgvigylyyms7pnmeyixiwq._file

Result

Malware family:

maskgram_stealer

Score:

10/10

Tags:

family:maskgram_stealer spyware stealer

Link:

https://tria.ge/reports/251206-zhfvgaej51/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Drops file in Windows directory

Accesses cryptocurrency files/wallets, possible credential harvesting

Reads user/profile data of web browsers

Detects MaskGramStealer payload

MaskGramStealer

Maskgram_stealer family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/d63ea6b1-2614-4001-97d7-c466440b4954

Unpacked files

SH256 hash:

2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d

MD5 hash:

3234788f1602cb04127d9e4d90ddb3a5

SHA1 hash:

1b078d36030c80b30eaabdc3a62ca4d1cd45d334

Link:

https://www.unpac.me/results/9345496e-898d-4252-8021-13620208d26c/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

MaskGramStealer

exe 2c52666a3469365856e84c4ede2db3bf5ebbc126aa0d85e30c97ded61308ba2d

(this sample)

Dropped by

Gcleaner

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/42839/

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