MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9729859bb7d92fa6f75dcde8cbef279c0c31093e6963f51b9e7182b4837130c8. 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 File information Comments

SHA256 hash: 9729859bb7d92fa6f75dcde8cbef279c0c31093e6963f51b9e7182b4837130c8
SHA3-384 hash: 691a0edfe5bc75f0560896d564e6a51a89b16743575003040b0d43e12e1f212d510ff892ff915698a39938a5db4ca803
SHA1 hash: 8d6550e0799a0aea17b7217b834b99cf898f7060
MD5 hash: ca0a05a966a2cfb397a2fc069c10244c
humanhash: five-bacon-video-stairway
File name:file
Download: download sample
Signature MarsStealer
File size:1'859'072 bytes
First seen:2024-10-21 12:40:52 UTC
Last seen:2024-10-21 13:25:57 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 49152:YMBQnw9MfrJXWlEKUazx8JuLqkaLdQbPp9jlAT:YMqnw9s4EF7JpE+T
TLSH T10485332DFDB15E6BD59C8DB8B9DAE5193BB0DC9800722204093AD1FD9A5FA440271E2F
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 :
18
# of downloads :
468
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-10-21 12:53:15 UTC
Tags:
lumma stealer exfiltration themida loader amadey botnet stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
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 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)
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:
Suspicious
First seen:
2024-10-21 12:41:13 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
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:
714137e0bd5a5a651786e18a0709dd2ba13a3f92dfb64476dcb3073126600923
MD5 hash:
eeb137356afcb27efe556a3e00e9713a
SHA1 hash:
5c2df74ca1ba415f9b8d91907954f8f259ad2f16
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
9729859bb7d92fa6f75dcde8cbef279c0c31093e6963f51b9e7182b4837130c8
MD5 hash:
ca0a05a966a2cfb397a2fc069c10244c
SHA1 hash:
8d6550e0799a0aea17b7217b834b99cf898f7060
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

MarsStealer

Executable exe 9729859bb7d92fa6f75dcde8cbef279c0c31093e6963f51b9e7182b4837130c8

(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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