MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e4c42b712e8557850672c093a2420ac771110177813b5a26c1a63404295e271. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments

SHA256 hash: 1e4c42b712e8557850672c093a2420ac771110177813b5a26c1a63404295e271
SHA3-384 hash: 447cb9be21e62676138734d9781272c3d111d43f4796c224f4fab59c91ca9cd28ac55f3bdfa2fa86ccd4110ad9af3c2f
SHA1 hash: 63c6d56f0368f766f99e60a3b06b104caf5ffaea
MD5 hash: d6f8772674081fa96e2fdc95f8781022
humanhash: kentucky-magnesium-butter-bakerloo
File name:file
Download: download sample
Signature MarsStealer
File size:1'895'936 bytes
First seen:2024-10-23 00:36:29 UTC
Last seen:2024-10-23 01:31:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:U3qRx0ckP8EpaQI1lWocuTPa19ch9g6HXJ7ZtHxPA8mwcyeDakhW24/hOLM9E:U6jsp6WoJLa19POVNHneDRM3/hKE
Threatray 163 similar samples on MalwareBazaar
TLSH T16D95337B368708A1ED45D7FA08354B5BD8D4C79889ABA47803D9B17084FF07B21CAAF5
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
19
# of downloads :
418
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-23 00:32:43 UTC
Tags:
lumma stealer themida loader stealc amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Vmdetect Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected
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
AI detected suspicious sample
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)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
PE file contains section with special chars
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-10-23 00:37:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:doma discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Unpacked files
SH256 hash:
6a9b0e9f10e9212fe7a1c0ae23e1f19f86da3a593df19e1657bdd1a5c3825c17
MD5 hash:
d5d853643a8a2bebe82333927df7ee9c
SHA1 hash:
ced0b24f4e3c597b2cbd03694de029c8e7d4888f
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
1e4c42b712e8557850672c093a2420ac771110177813b5a26c1a63404295e271
MD5 hash:
d6f8772674081fa96e2fdc95f8781022
SHA1 hash:
63c6d56f0368f766f99e60a3b06b104caf5ffaea
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

MarsStealer

Executable exe 1e4c42b712e8557850672c093a2420ac771110177813b5a26c1a63404295e271

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Dropped by
Amadey
  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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