MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318
SHA3-384 hash: 46e648ca06f39aa34ba048931771441e229770bee0105ed44344f465a934feac9e54ad69c0c6c5c7a23c2e820ebf427f
SHA1 hash: 7c086096d69ca34cc827800e7fe7b950e937b2d8
MD5 hash: c6dc87778d7a8b9ad0c0baee346aa8dc
humanhash: neptune-saturn-fruit-colorado
File name:file
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:7'662'592 bytes
First seen:2025-11-28 00:36:16 UTC
Last seen:2025-11-28 04:17:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea281082cd6342019a4640d5d7089aef (7 x MaskGramStealer)
ssdeep 196608:B4/ewbZhgCdSOxgGMdhvWNTRV7yOaGrwzPcEQ:BeZGCd/gtINTj7y+w
TLSH T12F7623466B98E7F8C0838334768B498E78A0B5A647BD5B0D35C57C039AB1EB5160F6B3
TrID 38.3% (.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:c dropped-by-gcleaner exe MaskGramStealer TWO.file


Avatar
Bitsight
url: http://194.38.20.224/service

Intelligence

File Origin
# of uploads :
3
# of downloads :
158
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
aafb39962d2b9c7b0d0496fdd6207438587d6454c3f653f76636377bb7c731a7.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-11-28 00:19:28 UTC
Tags:
auto generic gcleaner loader autoit inno installer delphi stealer stealc vidar
Link:
https://app.any.run/tasks/aae2fa1a-788b-47b1-bd47-80cfb7bb6e16

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/41690/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6928eeb96cb1dcd57781c481
Tags:
ransomware virus remo
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug mingw obfuscated packed packed vmprotect
Link:
https://www.filescan.io/uploads/6928eeb82cd29ea6300290a1/reports/55f719f0-8d72-49fb-be65-a05d839c8cfd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-27T21:47:00Z UTC
Last seen:
2025-11-28T21:31:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cdf3d3cd-c3a9-42ca-b722-799eb4f40671
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/c6dc87778d7a8b9ad0c0baee346aa8dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318/
Verdict:
Malicious
Threat:
Win64.Format.Malformed
Link:
https://tip.neiki.dev/file/a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uq4mng4sjyjzmeu54rmbgzjwwpdfgu7t4us546vgldo6ipsiqmma._file
Verdict:
malicious
Label(s):
maskgramstealer
Create hunting rule
Similar samples:
error
MaskGramStealer
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/251128-ayjhvsxpgp/
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 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
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
Suspicious_POST_body
YARA:
n/a
Link:
https://app.threat.zone/submission/6f02d563-e26f-42c3-b13a-0d23db5cd2c4
Unpacked files
SH256 hash:
a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318
MD5 hash:
c6dc87778d7a8b9ad0c0baee346aa8dc
SHA1 hash:
7c086096d69ca34cc827800e7fe7b950e937b2d8
Link:
https://www.unpac.me/results/8460b4cc-e1d4-4fa6-a7a2-cf72ea7424ae/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a438c69b924e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318

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:DebuggerCheck__RemoteAPI
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

Executable exe a438c69b924e1396129de458136536b3c65353f3e525de7aa658dde43e488318

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/41690/

Comments