MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f8ec563ad335f220bbd59b0cfed012b18ccd567e5c4bb1ca688402d3b51c5cc. 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: 1f8ec563ad335f220bbd59b0cfed012b18ccd567e5c4bb1ca688402d3b51c5cc
SHA3-384 hash: 47b9465c77e50f29f6a4c597e7c7f12535c6b0e329f67dca0eb946477e9741cf3c9d96abcebeb50ba12ecab56c723282
SHA1 hash: d73b151cdd4d4b69f572205c0ad46d52ce9c20e9
MD5 hash: 66b1f1c67d75ac6971d19c6e2038ebd5
humanhash: steak-grey-timing-cardinal
File name:file
Download: download sample
Signature MarsStealer
File size:1'844'224 bytes
First seen:2024-10-12 05:12:31 UTC
Last seen:2024-10-12 06:29:01 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:+Cdlgy8gRTfzSLXxSu137WEImWx/jbyg5es:RD/TfSSuJ7eeg5e
Threatray 25 similar samples on MalwareBazaar
TLSH T16D8533B5FBE44A11DB56843921BF9F26CABF846C2EC872586A05567422035F3B1D2CFC
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 :
428
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-12 05:14:53 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Vmdetect 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:
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:
2024-10-12 05:13:07 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
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
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
9346f879b853feffba40d9f3922e80024541d3f91f33cae7a4300263aca0b500
MD5 hash:
c0c27b795711fbb1ce147f30644e7ac1
SHA1 hash:
a8fecac45585816b1dd871bdc5a1a5ebe8c328a6
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
1f8ec563ad335f220bbd59b0cfed012b18ccd567e5c4bb1ca688402d3b51c5cc
MD5 hash:
66b1f1c67d75ac6971d19c6e2038ebd5
SHA1 hash:
d73b151cdd4d4b69f572205c0ad46d52ce9c20e9
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 1f8ec563ad335f220bbd59b0cfed012b18ccd567e5c4bb1ca688402d3b51c5cc

(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