MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6674f0a92e479a5a6c2f2bc496300070a1c706e0f013924256ebdd221010a68f. 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 1 File information Comments

SHA256 hash: 6674f0a92e479a5a6c2f2bc496300070a1c706e0f013924256ebdd221010a68f
SHA3-384 hash: 11de7998c7b82e5b2914d084f59ecc0678967e123a8de747d5aea8a68809bfc33f3dfd5b5f0930d1c3c4b95f8fa00155
SHA1 hash: 1326dab37a640c5e3f4f9c67664b83a275e63439
MD5 hash: ee91e4d6c6a2a722f5e3d0f2b1fb59ae
humanhash: twelve-lion-princess-johnny
File name:file
Download: download sample
Signature MarsStealer
File size:1'812'480 bytes
First seen:2024-09-13 23:04:01 UTC
Last seen:2024-09-13 23:04:17 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:EPFr49Zks/UfJdTsxh0sZd5RaD69itpzBHGz7xfilFk:EPB4LtXz5Quiei
TLSH T19E8533002E23C6C7EBDF05FF8AEF52849B41C3804E86A8556E1A1577FB473973B964A1
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://185.215.113.100/steam/random.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
441
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
Infostealer Network Stealth Crypt
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
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:
2024-09-13 23:05:13 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:rave 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:
24327734d818a65580e60d81c50f1f075b204e016038672b204a63c98c41b18d
MD5 hash:
3128df709025c0261baa15d05f9dc153
SHA1 hash:
aeb8fc375724046d5c8afddf8068adba6b0c30e2
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
6674f0a92e479a5a6c2f2bc496300070a1c706e0f013924256ebdd221010a68f
MD5 hash:
ee91e4d6c6a2a722f5e3d0f2b1fb59ae
SHA1 hash:
1326dab37a640c5e3f4f9c67664b83a275e63439
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 6674f0a92e479a5a6c2f2bc496300070a1c706e0f013924256ebdd221010a68f

(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