MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dfb2b93e97eb73ce2e0dbd8339c498f71f4085f480d858143eb66e77c114ce1. 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: 17


Intelligence 17 IOCs YARA File information Comments

SHA256 hash: 4dfb2b93e97eb73ce2e0dbd8339c498f71f4085f480d858143eb66e77c114ce1
SHA3-384 hash: 1ca5828bd5e78ff84daf1a7c86d76a92747b5033f3828b30a30d8b3b863327b6e0a6b0f3afa3fd3a1bb73698fb25f302
SHA1 hash: 312732052bad3ab2c66636ccf4049663939721d5
MD5 hash: 527d94f81c7b0017853acb341703da9d
humanhash: batman-item-moon-utah
File name:file
Download: download sample
Signature MarsStealer
File size:1'829'376 bytes
First seen:2024-10-22 18:13:52 UTC
Last seen:2024-10-22 19:21:41 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:BYYShXensfVuOTHCQGypOHJlkCMAJBau6vlg+OY1AHDqT8vxa1nRGTpOoKt0jTWr:mYqXFVIaOHJep2+7yjW+atRGlOyWKlE
Threatray 1 similar samples on MalwareBazaar
TLSH T16B853399EE140853DC80C7FDA2DA856BEF7DCC97C73CE864627441BA0E8BA735A17016
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://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
20
# of downloads :
470
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-22 18:16:07 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
Exploit Spam Hype Onli
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 packed packer_detected
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
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)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-22 18:14:06 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
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:
1130a38690f52abf0901f4049ab960dc01af1f55a953178664f7a1f00b0c021f
MD5 hash:
cabddc22078663c7175c71ac7611cdfb
SHA1 hash:
0d0522d793c285a7f18aecde063f7a58e226183b
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
4dfb2b93e97eb73ce2e0dbd8339c498f71f4085f480d858143eb66e77c114ce1
MD5 hash:
527d94f81c7b0017853acb341703da9d
SHA1 hash:
312732052bad3ab2c66636ccf4049663939721d5
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 4dfb2b93e97eb73ce2e0dbd8339c498f71f4085f480d858143eb66e77c114ce1

(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