MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc4a9ab31e260f747025500a43e30c44855519fbc3d5e4ee499d34278f781acb. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: cc4a9ab31e260f747025500a43e30c44855519fbc3d5e4ee499d34278f781acb
SHA3-384 hash: 9a823e2ef7a9eb5fa79ed319a2a96a34d1466ecd752aa6af3f7ce051b719e26ca1b41eb7e53283eed26156cc045e9b64
SHA1 hash: 826e1c02f57d75085e51e73ee9a968d74459d1dc
MD5 hash: b56821701719ae035a199a58d5e3303c
humanhash: vermont-uniform-cup-triple
File name:file
Download: download sample
Signature MarsStealer
File size:1'816'576 bytes
First seen:2024-10-12 22:37:53 UTC
Last seen:2024-10-12 23:58:54 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:JN1WvBIVlkBx2G9VY+7ErIQ78GzFskQG:JNkpIVl+B92gOIu3zSG
TLSH T18C8533B41D90F69ECD9AFDF10CB2730A7439D5875F29BB1A8C9125261E11C2F7A68C4C
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://185.215.113.103/steam/random.exe

Intelligence


File Origin
# of uploads :
16
# of downloads :
493
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-12 23:01:00 UTC
Tags:
lumma stealer themida opendir loader stealc amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Vmdetect Lien Spam
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm 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 domain / URL
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.Generic
Status:
Malicious
First seen:
2024-10-12 22:38:05 UTC
File Type:
PE (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:doma credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ff35a8afd07b5f32c1a0969813da9c2a2f7331f959b71b6313325c10502638d9
MD5 hash:
4afc604e234965d1dc601ba9a21527d6
SHA1 hash:
25b2c1c006c84573173ae628c863d38508143491
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
cc4a9ab31e260f747025500a43e30c44855519fbc3d5e4ee499d34278f781acb
MD5 hash:
b56821701719ae035a199a58d5e3303c
SHA1 hash:
826e1c02f57d75085e51e73ee9a968d74459d1dc
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 cc4a9ab31e260f747025500a43e30c44855519fbc3d5e4ee499d34278f781acb

(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

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