MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a438d8de6a838834da02ef14c29201e346df632a742d27f3d771b35e8210e3a. 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: 17


Intelligence 17 IOCs YARA 10 File information Comments

SHA256 hash: 5a438d8de6a838834da02ef14c29201e346df632a742d27f3d771b35e8210e3a
SHA3-384 hash: 925fbbccb10feb0f98ca243dbcaef4fcaee1dd31b84a4f9cdc0fe4d603368473d6fce8aeb9f277a5f6c43722d507305f
SHA1 hash: 1aba165ee41f3b0941e5dd27f4c67e749d4e927c
MD5 hash: aeb949cc36e15399cb610875bfba78b4
humanhash: vermont-jersey-stream-network
File name:file
Download: download sample
Signature MarsStealer
File size:267'264 bytes
First seen:2023-11-09 19:13:44 UTC
Last seen:2023-11-09 21:21:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 712435bb703a50bc9f31469ee9b68197 (1 x MarsStealer, 1 x Glupteba)
ssdeep 3072:2GaMg8raBOZEcjot/AWZ4xxBO5ar4CZUs06frk2CtUOyx:HU8raBO3ot/AksDO7sQn
TLSH T173445C13E2E16C7AE5274E328E6AC6F8661EF9618F55379A13F4EA2F09701F1D172301
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0001080015011100 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://194.49.94.48/timeSync.exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
300
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
https://www.beautydiamondstore.com/wp-admin/maint/File.7z
Verdict:
Malicious activity
Analysis date:
2023-11-09 17:26:56 UTC
Tags:
privateloader evasion opendir loader stealer redline raccoon recordbreaker stealc ransomware stop risepro smoke miner g0njxa

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
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed xpack
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.
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 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 Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-09 17:08:44 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Stealc
Malware Config
C2 Extraction:
http://arturogillotti.icu
Unpacked files
SH256 hash:
5a438d8de6a838834da02ef14c29201e346df632a742d27f3d771b35e8210e3a
MD5 hash:
aeb949cc36e15399cb610875bfba78b4
SHA1 hash:
1aba165ee41f3b0941e5dd27f4c67e749d4e927c
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__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:Trojan_W32_Gh0stMiancha_1_0_0
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Author:Matthew @ Embee_Research

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

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