MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 970a7ff3bab4b5fffe226cf5e66d997c9a8692623c2fa17fb5e2d35b16686564. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 970a7ff3bab4b5fffe226cf5e66d997c9a8692623c2fa17fb5e2d35b16686564
SHA3-384 hash: 6ea1ddd83338cf23e05000207da526d08d16add3625e1040a52c972c601b708a54aedcf72f5d38f2b3efd11f26705919
SHA1 hash: 966a5767d5a9772d9f41834b3b98b12ad7d5de77
MD5 hash: ccc18f73fabbe5c91e42ad299672a5b5
humanhash: golf-comet-carolina-nuts
File name:file
Download: download sample
Signature MarsStealer
File size:363'008 bytes
First seen:2023-07-26 08:47:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 44d39cb42f1ecc0351f10c8bc772392a (3 x Stealc, 3 x RedLineStealer, 1 x MarsStealer)
ssdeep 3072:mVKDWeVgL7GKTqRPhY9UGEL/J/51ioe3v25fQtwlGvPGT1lT5Z:RBVgL7GUqthYOGELx/mo2gQtjv+HT
Threatray 28 similar samples on MalwareBazaar
TLSH T1BA74B64383A1BD44E9258B729E2FCAF8B60DF6518F4D7B66A138AF1F04B51B2D173610
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 0008282802020400 (1 x MarsStealer, 1 x Smoke Loader)
Reporter andretavare5
Tags:exe MarsStealer


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

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-26 08:49:41 UTC
Tags:
stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
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
Snort IDS alert for network traffic
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.RedLine
Status:
Malicious
First seen:
2023-07-26 08:48:05 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:
970a7ff3bab4b5fffe226cf5e66d997c9a8692623c2fa17fb5e2d35b16686564
MD5 hash:
ccc18f73fabbe5c91e42ad299672a5b5
SHA1 hash:
966a5767d5a9772d9f41834b3b98b12ad7d5de77
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