MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84260604b8a6bcf81d25d7cbe67a52f2655e52277f77139eaf303e649f3aa51. 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: 15


Intelligence 15 IOCs YARA File information Comments

SHA256 hash: a84260604b8a6bcf81d25d7cbe67a52f2655e52277f77139eaf303e649f3aa51
SHA3-384 hash: 1d71cf1809f061be08a4a610093bbc6b3bfc20d41804945d5db57134e2027dbfc42fde3a5d0d840fee7695598bb3cdbd
SHA1 hash: bb25695e14a44da3be333e28a26564651eab1210
MD5 hash: 4c76d2959cbf7bfed012a8ff81cbfa8b
humanhash: mobile-carolina-london-rugby
File name:file
Download: download sample
Signature MarsStealer
File size:1'787'392 bytes
First seen:2024-09-06 14:45:47 UTC
Last seen:2024-09-06 15:40:40 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:HEYv7quoG2kla5K32iCM1NTuaoF0CVTTO7cPz3nrk3qLo7Q3zEXFb35+ToMJM0oK:ka3wU/fTGhVTOgPYqDul9MJAcH62sbS
TLSH T1CC8533537B241A67D69D96B2C607F6EBF43167BBA0CD73A23664410F10139793F088AB
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://31.41.244.11/steam/random.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
385
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-06 14:52:32 UTC
Tags:
stealer stealc loader themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Infostealer Network Stealth
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:
microsoft_visual_cc 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:
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.Trojan.Stealerc
Status:
Malicious
First seen:
2024-09-06 14:46:06 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:leva 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://185.215.113.100
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e4b82b69b8df195fe22b2b20e4fb6d99991595a348b14887b21882369fdfb50b
MD5 hash:
31f9f76d2ca8d1461a3719d59b4a12ee
SHA1 hash:
f111eb1e5b2ad166ba093c67d9404e650ba5ce76
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
a84260604b8a6bcf81d25d7cbe67a52f2655e52277f77139eaf303e649f3aa51
MD5 hash:
4c76d2959cbf7bfed012a8ff81cbfa8b
SHA1 hash:
bb25695e14a44da3be333e28a26564651eab1210
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 a84260604b8a6bcf81d25d7cbe67a52f2655e52277f77139eaf303e649f3aa51

(this sample)

  
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

Comments