MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840
SHA3-384 hash: 62e271a00e410bdc3bf76a80124253ace880a85221dc2cf64d3047be541fdd0bbd7d1fe51f86437b827d84357a361dde
SHA1 hash: 18ffe5598e358ddc716346da93cb7dd41f528ac0
MD5 hash: e8e552fe5c12d404e1e95a64937c30dc
humanhash: happy-montana-west-fifteen
File name:file
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:177'152 bytes
First seen:2026-05-24 01:00:03 UTC
Last seen:2026-05-24 01:02:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ba456e94eafa9e6a7757d90b7ff6310a (6 x MaskGramStealer)
ssdeep 3072:C4AIHu65ko08m6uVePU28ekjGArWZBoaeTHdNqhHfT78Oi1Q4qEmVno:gIHxM8mjgU2Nk6ArWZBidYFUCEmVn
TLSH T1D5044A1BD9D141F9DC29C6748699E237A4B3B84A1936BA4F2BA0DF151F44B30B72EF04
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:54e64e dropped-by-amadey exe MaskGramStealer


Avatar
Bitsight
url: http://91.92.242.236/files-129312398/files/file_4acb8f51ec30100c.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
182
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840.exe
Verdict:
Malicious activity
Analysis date:
2026-05-24 01:03:19 UTC
Tags:
telegram stealer maskgram
Link:
https://app.any.run/tasks/e034d426-4dae-4445-b48f-753869ed8b7a

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/67708/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a124dcf98070a72bb9d6e09
Tags:
emotet
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
DNS request
Connection attempt
Verdict:
Suspicious
Labled as:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-23T22:13:00Z UTC
Last seen:
2026-05-24T00:40:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Vidar.itw Trojan-PSW.Vidar.HTTP.C&C
Link:
https://opentip.kaspersky.com/4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/46109252-9b78-49d7-8c02-f6bfe6542e6d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/e8e552fe5c12d404e1e95a64937c30dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840/
Verdict:
Susipicious
Link:
https://tip.neiki.dev/file/4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840
Threat name:
Win64.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-05-24 01:01:02 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5cgknwpdi36gdwjqpgkr6ryoch6ys5ryy4s7o2eqqzwumptlbaa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/260524-bc4scagt81/
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
Browser Information Discovery
System Time Discovery
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
Unpacked files
SH256 hash:
4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840
MD5 hash:
e8e552fe5c12d404e1e95a64937c30dc
SHA1 hash:
18ffe5598e358ddc716346da93cb7dd41f528ac0
Link:
https://www.unpac.me/results/5db15dff-b0ec-487a-9316-97aa33829adc/
Malware family:
MaskGramStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f446536cf1a/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/4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:mal_loader_custom_havoc_x64
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects a suspicious hashing algorithm similar (but not equal) to Havoc C2's import hashing with customized salt
Reference:https://github.com/HavocFramework/Havoc/blob/1248ff9ecc964325447128ae3ea819f1ad10b790/Teamserver/data/implants/Shellcode/Source/Utils.c
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Web download

MaskGramStealer

Executable exe 4f446536cf1a37e30ec983cca8fa38708fec4bb1c6392fbb4484336a31f35840

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/67708/

Comments