MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5
SHA3-384 hash: 8a0feb4acbe202606b5f3204d17692c992a069ab92d2e57e3cd02b160389e8e9d564f25c87e86fc6ce0f2fcee9c6654b
SHA1 hash: 07f088a5dfd2fa2b60c5e93b5f276370c5313a1f
MD5 hash: 3e52fa1daeffc8bedfc43fb2422904b2
humanhash: gee-july-timing-golf
File name:file
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:4'426'240 bytes
First seen:2025-11-24 00:34:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc6b57a7282f87959d9942f26d5c0b74 (14 x MaskGramStealer)
ssdeep 98304:falMGmN2MjVKZWobt+VUjmB+LhXpo6buVP+lyZ0V2F7xi:WmcMxKZW6tDjmol26YaVoxi
TLSH T11B265BEF1AE065DBC266D8B9D041787E8E6FFCF68E1AF39A9451319D83338407424B16
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


Avatar
Bitsight
url: http://178.16.55.189/files/7782139129/OKXl0Sv.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-11-24 00:35:56 UTC
Tags:
stealer themida svitstealer
Link:
https://app.any.run/tasks/69866b31-8d87-4e67-b794-c62e33f60246

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/41182/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6923a84c2ef549a76b01a59e
Tags:
ransomware packed virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mingw obfuscated packed packed themidawinlicense unsafe vidar
Link:
https://www.filescan.io/uploads/6923a853f96b58f0dc8120a0/reports/69058c6a-72e1-4ac0-98fa-159f56716f19/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5
Result
Gathering data
Verdict:
Clean
File Type:
exe x64
Link:
https://opentip.kaspersky.com/6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d0135fd6-49f2-4e6e-9d7f-3b71949f5e77
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/3e52fa1daeffc8bedfc43fb2422904b2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5/
Verdict:
Malicious
Threat:
Win64.Backdoor.Heuristic
Link:
https://tip.neiki.dev/file/6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5
Threat name:
Win64.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2025-11-24 00:35:38 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nqq3jw6goqm5xj7vzhj4ldpmqfcg3pxotnxzl6evsw2jcrnumtsq._file
Verdict:
malicious
Label(s):
maskgramstealer
Create hunting rule
Similar samples:
error
MaskGramStealer
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery spyware stealer themida trojan
Link:
https://tria.ge/reports/251124-axlxlazqep/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
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)
Verdict:
Suspicious
Tags:
Suspicious_POST_body
YARA:
n/a
Link:
https://app.threat.zone/submission/aabaa3d1-8f77-430d-9038-e10dbbeb76e0
Unpacked files
SH256 hash:
6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5
MD5 hash:
3e52fa1daeffc8bedfc43fb2422904b2
SHA1 hash:
07f088a5dfd2fa2b60c5e93b5f276370c5313a1f
Link:
https://www.unpac.me/results/47c45b97-3924-4976-8835-8bf241c2b5e0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c21b4dbc674/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.

Rule name:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida

File information

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

Web download

MaskGramStealer

Executable exe 6c21b4dbc67419dba7f5c9d3c58dec81446dbeee9b6f95f89595b49145b464e5

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/41182/
  
URLhaus
https://urlhaus.abuse.ch/url/3715412/

Comments