MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 141b94942464c19bbe918855f4268bd21c3e9014c98a55ce52ed71187eed1861. 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 7 File information Comments

SHA256 hash: 141b94942464c19bbe918855f4268bd21c3e9014c98a55ce52ed71187eed1861
SHA3-384 hash: 45dd8624c61891a30d7940014496bce52a99f8c26428a0c0eafa6b21d0f11f36d740ae396c6e7134b716acb577df6ce8
SHA1 hash: f3a5f08e7c525c914879d7f57656f41bae05bb37
MD5 hash: c5d9f790b502834a348666c5ba0d8082
humanhash: beryllium-lima-low-eighteen
File name:file
Download: download sample
Signature MarsStealer
File size:344'992 bytes
First seen:2024-10-02 06:28:30 UTC
Last seen:2024-10-07 22:24:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:TRQVnciLnWAlJOgBSzPUNdgGISuc8FFhAQBemOSrlFe+GFek3EO:GVnc4korg+8Fg7mvrl4EO
TLSH T12C74239A4D84883AED3A4E3879B9D0677E71A3C1518147FF24ABC77CAA4F7D301621D8
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://147.45.44.104/yuop/66fce7980ab76_stealc5.exe#abd

Intelligence


File Origin
# of uploads :
3
# of downloads :
372
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-02 06:30:40 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Injection Exploit Micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
PasswordStealer.MSILHeracles.Generic
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
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-10-02 06:29:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default5_doz discovery stealer
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://62.204.41.159
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43
MD5 hash:
2ec23e83e2f63ab27c25741b1f4d7f49
SHA1 hash:
bb231b274bd66393fa830a44e6d4447d4399eeb9
SH256 hash:
141b94942464c19bbe918855f4268bd21c3e9014c98a55ce52ed71187eed1861
MD5 hash:
c5d9f790b502834a348666c5ba0d8082
SHA1 hash:
f3a5f08e7c525c914879d7f57656f41bae05bb37
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

MarsStealer

Executable exe 141b94942464c19bbe918855f4268bd21c3e9014c98a55ce52ed71187eed1861

(this sample)

  
Dropped by
Privateloader
  
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 (GUARD_CF)high

Comments