MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f. 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: a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f
SHA3-384 hash: 8217ff4f06d40d69be9e4e50c87d5fbecf5c9f4cba90a5facf06b4af52351a5da19998424115be683cbd02cfdc958570
SHA1 hash: b2dd67ab82ddd3afb8f80a1002799a08718ae958
MD5 hash: 0cc14e028f4620a52548078b0545d391
humanhash: connecticut-lithium-queen-ceiling
File name:file
Download: download sample
Signature MarsStealer
File size:1'775'104 bytes
First seen:2024-09-08 01:06:53 UTC
Last seen:2024-09-08 01:32:07 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:HnM3QMQzRgCvMLP+7yASAP5w6vB+Bec5wZpLAPoXzh+nmqunOupUboRPq5zXq5sy:H8W87+7yk5dgwpfDhJTEgPSX5LiVd
TLSH T18585339955805DEDCA4FD13709EBFB22AF329D1209C92840543A3BD0BC7D19AA1FDCDA
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://31.41.244.11/steam/random.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
487
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-08 01:07:06 UTC
Tags:
stealer stealc loader themida amadey botnet autoit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
Execution Generic Infostealer Network Stealth Trojan
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.
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 domain / URL
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.Stealerc
Status:
Malicious
First seen:
2024-09-08 01:07:06 UTC
File Type:
PE (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
unknown
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:
3f0646052e95eaac4d72770082ef3cd7d0a28b66307bf7d23b89891d496c4389
MD5 hash:
948f06b05dae1df89fa1275cb40cb190
SHA1 hash:
bde16c820116e71b92c27341d76da6d1c757636a
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f
MD5 hash:
0cc14e028f4620a52548078b0545d391
SHA1 hash:
b2dd67ab82ddd3afb8f80a1002799a08718ae958
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 a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f

(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