MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cfe6d66330d9be13e48cce75d7bef67fe7664e2cdf7ecb0c51b0d37f4e0bae1. 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: 3cfe6d66330d9be13e48cce75d7bef67fe7664e2cdf7ecb0c51b0d37f4e0bae1
SHA3-384 hash: b36ff5e63fac331004f4aec8d0145802bcf31bcb1006977e230244f50c05eb651eeb7f7f42e1ddeb5510c5a272660341
SHA1 hash: f6a70a8be9fe6f779fbf051d0be16f425b8ce63b
MD5 hash: 6500192d789b8af4f67fccf28337433c
humanhash: mississippi-whiskey-item-papa
File name:file
Download: download sample
Signature MarsStealer
File size:1'831'424 bytes
First seen:2024-10-17 13:44:08 UTC
Last seen:2024-10-17 14:41:47 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 49152:6BQ622ko0Nd5ohHuoBbkMuCw+fByi8iq:j6zko0NIlACw+fI7
Threatray 1 similar samples on MalwareBazaar
TLSH T1D185338199FFB2ADD31F64BFC0DD84147EB42D1668EA48BD05B91B370D4B71E5382886
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 :
21
# of downloads :
481
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-10-17 13:48:08 UTC
Tags:
stealer stealc loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Vmdetect Spam
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.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
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)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Multiverze
Status:
Malicious
First seen:
2024-10-17 13:45:08 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
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:
f744807d1963a0092cd05ecf51376cf27bf8045aef7ef9da6efdf93e14768f2e
MD5 hash:
7fa940bd1517412ed3fb212550751d97
SHA1 hash:
4c63595deaa001e2909ec56cb7be25d88738dab6
Detections:
detect_Mars_Stealer
SH256 hash:
3cfe6d66330d9be13e48cce75d7bef67fe7664e2cdf7ecb0c51b0d37f4e0bae1
MD5 hash:
6500192d789b8af4f67fccf28337433c
SHA1 hash:
f6a70a8be9fe6f779fbf051d0be16f425b8ce63b
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 3cfe6d66330d9be13e48cce75d7bef67fe7664e2cdf7ecb0c51b0d37f4e0bae1

(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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