MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637243a5507181e91f20d46ecca33c28430af34c719206f4b1be6f1e7268e602. 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 File information Comments

SHA256 hash: 637243a5507181e91f20d46ecca33c28430af34c719206f4b1be6f1e7268e602
SHA3-384 hash: 62e41746de870f8355f55f8f1ce4d34668f5d0dc979886de352f1f45f7967be8ac0a0455d183c878c673fdb75deb7194
SHA1 hash: 0304b34332f6e1c8edcd36f21ffef16f85110c21
MD5 hash: 37d78080f5e7100f325ed1161036f5be
humanhash: sad-zebra-uniform-magnesium
File name:file
Download: download sample
Signature MarsStealer
File size:1'826'304 bytes
First seen:2024-10-02 22:58:58 UTC
Last seen:2024-10-02 23:09:17 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:UGMJp0JGKowKKbKaQkIiIKNzIqKZE7lj6Cvz8WWoFUfs:cp08KzZI4p7ZDwWlqf
TLSH T1E885334AFDF7A728F5AF04329A44D5423FACDDCE19B544A5AA0B1F8A0817E4A47F7430
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 :
5
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-02 23:01:28 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
Small 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
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.
Malware family:
StrelaStealer
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
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.Ransomware.Multiverze
Status:
Malicious
First seen:
2024-10-02 22:59:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
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:
0839168b53769931739c6b45d2b17c3cd6dc9aac056a0a25ae40786ea1f841c1
MD5 hash:
946bc740c57fb61ccc62a2d67b008343
SHA1 hash:
bce1b53242883eb2be3bd2c3005c583d50b70956
SH256 hash:
637243a5507181e91f20d46ecca33c28430af34c719206f4b1be6f1e7268e602
MD5 hash:
37d78080f5e7100f325ed1161036f5be
SHA1 hash:
0304b34332f6e1c8edcd36f21ffef16f85110c21
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 637243a5507181e91f20d46ecca33c28430af34c719206f4b1be6f1e7268e602

(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