MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef935b18d052e921b5da3df6abb513aa3936f5a087afcceda2d6655f3214de2b. 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
| SHA256 hash: | ef935b18d052e921b5da3df6abb513aa3936f5a087afcceda2d6655f3214de2b |
|---|---|
| SHA3-384 hash: | 1366c4ef659c68c6c370bb561cf835c53e712b77a58c1aa5540bcbea7aed8ec6a1602dffff9d02ffc3bd3eac73467a3a |
| SHA1 hash: | e40f89be0aa55dd31efa582c376432ffcf23a3bf |
| MD5 hash: | 7d8d69c93d9e497ebf8bb7983e26bef5 |
| humanhash: | lake-alaska-georgia-nitrogen |
| File name: | file |
| Download: | download sample |
| Signature | MaskGramStealer |
| File size: | 188'928 bytes |
| First seen: | 2026-07-01 06:23:02 UTC |
| Last seen: | 2026-07-01 07:11:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d1c35276ff2b8e9d448afb940bccb1f0 (6 x MaskGramStealer) |
| ssdeep | 3072:qftXePELBxpwWAkcv3CQAEALqmECASmTiAG625g2F667Ak0ght:gO2p2ki3CQlAuBAmTGdg2IGMght |
| TLSH | T141044A5BD5D540E9EC1AC6348A99E237A4B3F8561936BA4F2BA0DF051F90B30B71DF04 |
| 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: | 9d2ca3 dropped-by-amadey exe MaskGramStealer |
Intelligence
File Origin
# of uploads :
4
# of downloads :
171
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-07-01 06:30:41 UTC
Tags:
telegram maskgram stealer websocket
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
91.7%
Tags:
emotet virus crypt
Result
Verdict:
Clean
Maliciousness:
Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
fingerprint mingw packed
Verdict:
Malicious
Labled as:
Lazy.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-01T03:48:00Z UTC
Last seen:
2026-07-02T20:12:00Z UTC
Hits:
~100
Detections:
Backdoor.ChessDDR.HTTP.C&C HEUR:Trojan.Win32.Agentb.gen Trojan.Win32.Agentb.ttdf Trojan-PSW.Vidar.HTTP.C&C Backdoor.SpotyDDR.HTTP.C&C
Verdict:
Unknown
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.MASKGRAMSTEALER
Threat name:
Win64.Trojan.MaskgramStealer
Status:
Malicious
First seen:
2026-07-01 06:23:41 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
adware discovery persistence ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
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 SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Browser Information Discovery
System Time Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates connected drives
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Boot or Logon Autostart Execution: Active Setup
Unpacked files
SH256 hash:
ef935b18d052e921b5da3df6abb513aa3936f5a087afcceda2d6655f3214de2b
MD5 hash:
7d8d69c93d9e497ebf8bb7983e26bef5
SHA1 hash:
e40f89be0aa55dd31efa582c376432ffcf23a3bf
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | VECT_Ransomware |
|---|---|
| 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
Dropped by
Amadey
Delivery method
Distributed via web download
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