MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887. 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 1 File information Comments

SHA256 hash: 0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887
SHA3-384 hash: 23941b28287c74c7db938aa968740f6543acb451d295569df7e2e1b7a8928799ff37ad30eb2dd5341248db69c0f7e013
SHA1 hash: 251765696a95a15017ed9a7918dfecb473b7f569
MD5 hash: ade8d186b57afcdb7fa0193c1670072c
humanhash: pluto-black-early-hawaii
File name:file
Download: download sample
Signature MarsStealer
File size:2'980'310 bytes
First seen:2024-09-19 19:17:33 UTC
Last seen:2024-09-19 20:24:00 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:YwEmzSZMdItRf3DpUs41nasMZiqnqqvOfjVq55ugjk:YES2dItRf3DpUphSoKqqgq55ugjk
TLSH T122D55CD2B808BADFD48E2B74842BCE415A6D4BB5072088C3DF6C747A7D67DC125B6C68
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://185.215.113.100/steam/random.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
375
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-19 19:19:03 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:
Encryption Infostealer Network Stealth
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc obsidium overlay packed 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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.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
Found many strings related to Crypto-Wallets (likely being stolen)
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)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-09-19 19:18:05 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:rave credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.103
Unpacked files
SH256 hash:
0e6007d13050fd5ef9397614c08a206dbfd49660cc643df82aca52b8868a0d4f
MD5 hash:
e9abf60a298ad1add8db65dd5091c91a
SHA1 hash:
b05366de0f5e6590ba5ba1ad2b09dbcdf1f63cf0
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887
MD5 hash:
ade8d186b57afcdb7fa0193c1670072c
SHA1 hash:
251765696a95a15017ed9a7918dfecb473b7f569
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 0aecafc2be08b73bae7d7c3fdf2a17645a5e6b8ab2d64ef934c9265355999887

(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

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