MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a7ccf835cd47e53b218d02824e1db7194aa045271d10a049647528a865c723f. 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



MarsStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 2a7ccf835cd47e53b218d02824e1db7194aa045271d10a049647528a865c723f
SHA3-384 hash: 5cf947c9075c3694b90ab478098ebe29645db20a4e08745b5d02afec6d0e22ba42cea4b66fb64edd241c10a1cbdac9d7
SHA1 hash: 96cf0a0f58eeade0214a1d646de18a3a788b067f
MD5 hash: 5487be4ca04d8c00ff0c83212641e413
humanhash: salami-eleven-single-north
File name:file
Download: download sample
Signature MarsStealer
File size:361'984 bytes
First seen:2023-07-26 12:30:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23b1f12acfdc16a0095d4f2599c53eaf (1 x MarsStealer, 1 x Amadey, 1 x Smoke Loader)
ssdeep 3072:SbYvr6FPL2gVUDOkOSY/30U8JxVHlSUKDZInLF8Z0a+5g91RhwlGvPGT1lTU0:SYGFPL2gK+OH2DyLF6Z97hjv+HT
Threatray 32 similar samples on MalwareBazaar
TLSH T17F74B75383A1BD40E9258B729E2FCEF8760DF6518F4D7B66A2289F1F00B61B6D173610
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0000001010100000 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://bobstayget.top/calc.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
289
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-26 12:32:16 UTC
Tags:
stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Gathering data
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Self deletion via cmd or bat file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2023-07-26 12:31:05 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
67e733069b858d3b1755210f96834936db5e61cb94f485027fae194c41d04a60
MD5 hash:
2c53a0953fe69825b45ffc2078afa720
SHA1 hash:
7fd7b6be80586deff8af51e8d45ed4b5fca512d2
SH256 hash:
2a7ccf835cd47e53b218d02824e1db7194aa045271d10a049647528a865c723f
MD5 hash:
5487be4ca04d8c00ff0c83212641e413
SHA1 hash:
96cf0a0f58eeade0214a1d646de18a3a788b067f
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:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:sus_pe_free_without_allocation
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_stealc_w0
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments