MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb44b165f197753247cd2d4525789ff88397045ee966a6463b68d07f9fbe4470. 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 2 File information Comments

SHA256 hash: bb44b165f197753247cd2d4525789ff88397045ee966a6463b68d07f9fbe4470
SHA3-384 hash: 2bdd0faa5d267467d9ea6e48d248006d4fbfb228a3186201bd3d157c754b9d8a27ee1436fdcab51bf19052729c7e2f35
SHA1 hash: d1ae1642d3b75064dbe6dcc263599290c06d6f72
MD5 hash: 1eee3318caba41c485a00bd2bb0fd516
humanhash: artist-table-carolina-utah
File name:file
Download: download sample
Signature MaskGramStealer
File size:8'656'464 bytes
First seen:2025-11-20 13:52:06 UTC
Last seen:2025-11-20 13:56:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea281082cd6342019a4640d5d7089aef (3 x MaskGramStealer)
ssdeep 196608:skrn+VPlXPgRIO80Hhb+pVx6SBP1wrQtJj8PvUEJhFa:skr+VPl4c7zwSjws3oEE/F
TLSH T1F196238259C862E8C0D34B34614701CE74D13D9E95FEDE0E3AC6BC035B71EAA594EBA7
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 MaskGramStealer


Avatar
Bitsight
url: http://178.16.55.189/files/8243004082/2TQP22z.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
105
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-20 13:54:43 UTC
Tags:
telegram

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug invalid-signature mingw obfuscated packed packed signed vmprotect
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-20T11:02:00Z UTC
Last seen:
2025-11-21T09:40:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Vidar.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Vidar.ekj
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
AuxiliaryAnalysis.Malware.Generic
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-20 13:52:28 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
maskgramstealer
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
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:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bb44b165f197753247cd2d4525789ff88397045ee966a6463b68d07f9fbe4470
MD5 hash:
1eee3318caba41c485a00bd2bb0fd516
SHA1 hash:
d1ae1642d3b75064dbe6dcc263599290c06d6f72
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

MaskGramStealer

Executable exe bb44b165f197753247cd2d4525789ff88397045ee966a6463b68d07f9fbe4470

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments