MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a. 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 1 File information Comments

SHA256 hash: f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a
SHA3-384 hash: 5a75496ce46d7d3fd53aed17ec3b86149392ac5530b93394961121dac78e52977741ae6d8951aba45bbfc2d92181ec35
SHA1 hash: 8500808931bea3a20659e43c9398cfb948db9e6c
MD5 hash: 33e21757c66d40d3dc94d24ded6840a1
humanhash: salami-louisiana-magazine-minnesota
File name:file
Download: download sample
Signature MarsStealer
File size:3'016'834 bytes
First seen:2024-09-20 14:11:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:UKks3TOJjbiQDqW9q/uoc+uRT9/BJgpi8MVNiq3e/:U83T+jbiQDH9LDN9Api8M7iq3e/
TLSH T114D56DA2B50472CFDCEE13795467CD46989D0BB94B1018CBA82C757ABE63CC327B6C64
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
File icon (PE):PE icon
dhash icon 049ea28686a6ba00 (3 x MarsStealer)
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://185.215.113.103/doun/game.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
406
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 14:14:19 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Infostealer Network Stealth
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc overlay 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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious 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
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-09-20 14:12:06 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:dear 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://185.215.113.103
Unpacked files
SH256 hash:
607be791d96621fec6dad75d42e2bd0d1a3045af80d5ebdaf40f3b879fdd707a
MD5 hash:
5c7e6ddbda752b9f6657ba529150d14b
SHA1 hash:
2858b390c3e3d43b4c698d201aedbd29d9a1c667
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a
MD5 hash:
33e21757c66d40d3dc94d24ded6840a1
SHA1 hash:
8500808931bea3a20659e43c9398cfb948db9e6c
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 f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a

(this sample)

  
Dropped by
Privateloader
  
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

Comments