MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb. 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: 11

Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash:	3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb
SHA3-384 hash:	e16df0245c4bd707777e519ce9f7d833bec9a9defb47567c29809d79c0d1a228c9da6581df89ecaa71e889104156f11c
SHA1 hash:	63350e1c1e461b57b2276dfa90ac3c4558f750b8
MD5 hash:	7075b3da25915a462ee320f6aabb7894
humanhash:	emma-four-lemon-massachusetts
File name:	file
Download:	download sample
Signature	MaskGramStealer Create hunting rule
File size:	2'378'240 bytes
First seen:	2026-02-03 10:21:12 UTC
Last seen:	2026-02-03 11:19:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	dc6b57a7282f87959d9942f26d5c0b74 (60 x MaskGramStealer)
ssdeep	49152:sJZquAIiLzj5MFE/0zYx2vaIHKyAMFxPJ4kubTvDIH:sJw/dvqu/0zYx2CIHVAMFxBsTA
TLSH	T172B5333912493FECD8BB9AFA409D46FE666F9B1CE47117481F5782E03037102FE66A49
TrID	38.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.6% (.ICL) Windows Icons Library (generic) (2059/9) 15.4% (.EXE) OS/2 Executable (generic) (2029/13) 15.2% (.EXE) Generic Win/DOS Executable (2002/3) 15.2% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-amadey exe fbf543 MaskGramStealer

Bitsight

url: http://130.12.180.43/files/6919303532/va87vOa.exe

Intelligence

File Origin

# of uploads :

# of downloads :

144

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2026-02-03 10:24:23 UTC

Tags:

telegram maskgramstealer stealer themida svitstealer

Link:

https://app.any.run/tasks/a0acc6fd-14b3-4a78-825b-e256bff3279d

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/51429/

Detection(s):

SecuriteInfo.com.Win64.Evo-gen.82428249.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6981cc3087f81e55ffeee0fa

Tags:

packed trojan crypt

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Connection attempt

Sending a custom TCP request

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Behavior that indicates a threat

Sending an HTTP GET request

Query of malicious DNS domain

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb

Result

Gathering data

Verdict:

Clean

File Type:

exe x64

Link:

https://opentip.kaspersky.com/3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/011ae0ba-f94c-4bc9-b999-534285d51ff4

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb/

Verdict:

Malicious

Threat:

Family.SVITSTEALER

Link:

https://tip.neiki.dev/file/3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb

Threat name:

Win64.Spyware.Maskgramstealer

Status:

Malicious

First seen:

2026-02-03 10:24:45 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

17 of 36 (47.22%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=he34rxcrowbiez4phu577cyuyl7kot7kyizgqe4bzgtc2upnal5q._file

Result

Malware family:

maskgram_stealer

Score:

10/10

Tags:

family:maskgram_stealer defense_evasion discovery spyware stealer themida trojan

Link:

https://tria.ge/reports/260203-mdys9sct4h/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

System Time Discovery

Drops file in Windows directory

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks whether UAC is enabled

Checks BIOS information in registry

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Detects MaskGramStealer payload

MaskGramStealer

Maskgram_stealer family

Unpacked files

SH256 hash:

3937c8dc51758282678f3d3bff8b14c2fea74feac232681381c9a62d51ed02fb

MD5 hash:

7075b3da25915a462ee320f6aabb7894

SHA1 hash:

63350e1c1e461b57b2276dfa90ac3c4558f750b8

Link:

https://www.unpac.me/results/57fb4097-60a7-4108-a2d4-c05e0d90f739/

Malware family:

MaskGramStealer

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3937c8dc5175/report/overview.html

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

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.