MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe. 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: 4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe
SHA3-384 hash: 57cfde6df0543da0a867e2ed7f525dcef9e73ad0e4706f023b0e6630fca2bd33cec032e6c4a5b5de106ad0eafe051cd1
SHA1 hash: 127c913b72daf814778a73238b4241603e9aca40
MD5 hash: 604595d4c9e64dc8f06d5846194d99be
humanhash: fourteen-enemy-magnesium-finch
File name:file
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:1'931'776 bytes
First seen:2025-12-07 16:46:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc6b57a7282f87959d9942f26d5c0b74 (24 x MaskGramStealer)
ssdeep 49152:Xcg9+hJFK2Zdj19WxYl6cCzMWEsFTqbrS8//:MI+hJFrzexKdCGsF8
TLSH T19C95333DF7634505E9824EB5149DC600E7B72C617488B1F2D68F32EEC31B6D2ACBA646
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/7311893838/yp04qup.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-07 16:48:20 UTC
Tags:
stealer themida svitstealer
Link:
https://app.any.run/tasks/1c15e166-c077-45c3-9445-b8f37aec19f2

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/42922/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6935af8fc61465c74cbc0d58
Tags:
ransomware virus crypt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mingw obfuscated packed packed themidawinlicense zero
Link:
https://www.filescan.io/uploads/6935af8fff25e40750d67416/reports/44e7042c-cef4-495c-b7d0-0e8c525d2011/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe
Result
Gathering data
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f7c12803-5f0d-4179-a232-f9005f6ccde1
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/604595d4c9e64dc8f06d5846194d99be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe/
Verdict:
Malicious
Threat:
Family.MASKGRAM_STEALER
Link:
https://tip.neiki.dev/file/4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtmat3fr2gf5orql2qqvh2b3a7ft4p5xhb2563zq2nlxvxg6o77a._file
Verdict:
malicious
Label(s):
maskgramstealer
Create hunting rule
Similar samples:
error
MaskGramStealer
Result
Malware family:
maskgram_stealer
Create hunting rule
Score:
  10/10
Tags:
family:maskgram_stealer defense_evasion discovery spyware stealer themida trojan
Link:
https://tria.ge/reports/251207-valcrsvqhs/
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 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
Malware Config
C2 Extraction:
mossyden2011.sbs
Verdict:
Malicious
Tags:
Suspicious_POST_body
YARA:
n/a
Link:
https://app.threat.zone/submission/64592924-7d6f-4bdd-bc83-94e33c65dad3
Unpacked files
SH256 hash:
4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe
MD5 hash:
604595d4c9e64dc8f06d5846194d99be
SHA1 hash:
127c913b72daf814778a73238b4241603e9aca40
Link:
https://www.unpac.me/results/1145fffc-ef9c-4cb2-9dfa-bdfbbd7911c8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4cd809ecb1d1/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/4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe

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 4cd809ecb1d18bd7460bd42153e83b07cb3e3fb73875df6f30d3577adcde77fe

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3728842/
Cape
Cape
https://www.capesandbox.com/analysis/42922/

Comments