MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e9898215c57e4dd2d5e9e34e6bd3eef1f1594ccb17ef2f1e4c6f90481044a18. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments 1

SHA256 hash: 9e9898215c57e4dd2d5e9e34e6bd3eef1f1594ccb17ef2f1e4c6f90481044a18
SHA3-384 hash: bfceb00d1705fb136673e699cdd37c97413ffbc4eb21874edeaca7630a34e4debd33edbec355219b7e84ea8eccefdf00
SHA1 hash: 03d032648c26ae127344486894a99ef0ad07daeb
MD5 hash: 02f3ad26fa28a969c9533b8c1967f208
humanhash: mississippi-georgia-north-arizona
File name:02f3ad26fa28a969c9533b8c1967f208.exe
Download: download sample
Signature MarsStealer
File size:273'920 bytes
First seen:2023-08-26 08:31:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcff5561bc6ac3d233799d21416a52a (1 x MarsStealer, 1 x Stealc)
ssdeep 3072:K05NgBZSPeM60G6BnVoftvr46HZcldltX1XOn/fx/0WSxnqWzdWpCfXV:L69V0PBnqD46HUN0nnoxqGEC/V
Threatray 163 similar samples on MalwareBazaar
TLSH T17A44AE2372C0E871E5634A319E6AC7F52B6AB8704F5A66CF23941A3F1E712E1C775342
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 70d0dec8d8d8d2dd (1 x MarsStealer)
Reporter abuse_ch
Tags:exe MarsStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
262
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
02f3ad26fa28a969c9533b8c1967f208.exe
Verdict:
Malicious activity
Analysis date:
2023-08-26 08:33:41 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:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control greyware lolbin packed
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 / Scanner detection for submitted sample
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
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.Privateloader
Status:
Malicious
First seen:
2023-08-25 00:17:24 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc spyware stealer
Behaviour
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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Unpacked files
SH256 hash:
dc7f3a22dabb560428ed5f62eb881c3643f85bdad454befadba0c051904fce0f
MD5 hash:
d9c8df9237d3d825d8cd7cf225322037
SHA1 hash:
b3fd98f0d6d93898c1f870555944e78bff54e77e
SH256 hash:
9e9898215c57e4dd2d5e9e34e6bd3eef1f1594ccb17ef2f1e4c6f90481044a18
MD5 hash:
02f3ad26fa28a969c9533b8c1967f208
SHA1 hash:
03d032648c26ae127344486894a99ef0ad07daeb
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
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.

Web download

MarsStealer

Executable exe 9e9898215c57e4dd2d5e9e34e6bd3eef1f1594ccb17ef2f1e4c6f90481044a18

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
Kasibe commented on 2023-08-26 10:33:28 UTC

Stealc