MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9
SHA3-384 hash: 454105c9ab950af75657f5bf50b4430ea8a0937683ef19f90335d406ae432825a918735b9a5e13989b05b32905f6cdc9
SHA1 hash: 4af78bce0234d7278236ac7028d89b2cfdad675b
MD5 hash: dacd09d9eab6845495213008041f3c21
humanhash: oxygen-three-lake-red
File name:file
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:2'503'168 bytes
First seen:2025-12-05 14:31:03 UTC
Last seen:2025-12-05 16:23:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dc6b57a7282f87959d9942f26d5c0b74 (24 x MaskGramStealer)
ssdeep 49152:E8qtBr/F3BKE5ktLLppPsnADYPX69hRRQ3+plR8nyE8nF:XGr/1B/aLphsnqYPq9h0Olmw
Threatray 165 similar samples on MalwareBazaar
TLSH T1A8C533E33BA896F6CF8EB177AA272DF2A973C8EFCC50890D154AC0787555314994E207
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/5917492177/WN0HSu2.exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
91
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-05 14:34:01 UTC
Tags:
stealer themida svitstealer
Link:
https://app.any.run/tasks/7fbd7610-646d-4396-a119-8e75c2f78b5f

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/42659/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.32556278.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6932ecb82b2823e41e74919d
Tags:
ransomware virus crypt
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-05T12:02:00Z UTC
Last seen:
2025-12-06T12:35:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f399f504-2701-4e64-9105-d6a82bc9102c
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/dacd09d9eab6845495213008041f3c21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9/
Threat name:
Win64.Trojan.Midie
Create hunting rule
Status:
Malicious
First seen:
2025-12-05 14:31:20 UTC
File Type:
PE+ (Exe)
Extracted files:
242
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s5vncy35z24o5ckayqg3h7xaolkzgaljhx2wn5jqkynnngwt6kuq._file
Verdict:
malicious
Label(s):
maskgramstealer
Create hunting rule
Similar samples:
0062aa0a736250da83b32b000d1dfe04c89615dc8971a2e29124517b4660e33a
MaskGramStealer
0a04210eaf96a610c6b570186e42cdaa70082bfeec187a8d7fbc0ee1a3f937f1
MaskGramStealer
50419b6ae38000b3d639e462f69bb35ff167650ca8eff6eb35dcfbd38b08c393
MaskGramStealer
64e714b6db5a170d195cf7f5ce40a50e0ecf4b59d591fbc4cf282ca37496c952
MaskGramStealer
8224b9c14404d8e8bf74221033466ac4ea33551b92914352be9c0ba92ffbfd43
MaskGramStealer
976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9
MaskGramStealer
c5b2b190d18f40051c5697746b21252cf14894ba10ae6e3e007e6f5ed4b31dfe
MaskGramStealer
error
MaskGramStealer
+ 155 additional samples on MalwareBazaar
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/251205-rvtm4abq3v/
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
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/95464570-6ff2-4093-9124-12127ac8895c
Unpacked files
SH256 hash:
976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9
MD5 hash:
dacd09d9eab6845495213008041f3c21
SHA1 hash:
4af78bce0234d7278236ac7028d89b2cfdad675b
Link:
https://www.unpac.me/results/4ca99658-115c-4572-96f6-6f77efd81d5a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/976ad1637dce/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 976ad1637dceb8ee8940c40db3fee072d59301693df566f530561ad69ad3f2a9

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726094/
Cape
Cape
https://www.capesandbox.com/analysis/42659/

Comments