MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b1e418942b4e90441e2096efff55ffb9428a14e9bca43c8e8145cba59ea79f7. 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: 19


Intelligence 19 IOCs YARA File information Comments

SHA256 hash: 4b1e418942b4e90441e2096efff55ffb9428a14e9bca43c8e8145cba59ea79f7
SHA3-384 hash: a6874e6161dac17a0edddcba5c30c7eeb30fe78658437b80b0a06d74b2e1b4ef42e76f5853c69a083f956c3b069e36e1
SHA1 hash: 4ed2721ffdf7eced58caad653454e6ac67257341
MD5 hash: 969de6311ff2108382afd9ff374bb828
humanhash: massachusetts-jig-michigan-coffee
File name:file
Download: download sample
Signature MarsStealer
File size:1'861'632 bytes
First seen:2024-10-27 11:11:14 UTC
Last seen:2024-10-27 13:02:36 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:dFkVPek93C0KuB5tj9B5ebvaS97MLw+ofR2Vv9PHZXBeeVwFXVrdGMlPFG+tfazr:detekRCeNk+zLw+oJo5haXVrLFBtfQ
Threatray 252 similar samples on MalwareBazaar
TLSH T1F98533303722B94CD7FF23FD87E124B285A9A056226F7B9ED53343D42A1A259DC5C82D
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 :
2'457
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4973a8a73af56cc0afcc5d4e454873bd57d667900d79ab7fbd2f395be0f9f8e3
Verdict:
Malicious activity
Analysis date:
2024-10-27 11:13:04 UTC
Tags:
amadey botnet stealer themida loader stealc lumma exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Lien Spam
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.
Malware family:
StrelaStealer
Verdict:
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
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.Trojan.Generic
Status:
Malicious
First seen:
2024-10-27 11:12:13 UTC
File Type:
PE (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:puma 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
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
7404962d79c2de1d7ad9c50233a60712d90805b1cb67b5338b87d4e231f4a0da
MD5 hash:
4b601474baa26d6bae6c33e77a50c1d4
SHA1 hash:
27dcf0589b35b588dbd7ab3a2cf2e5789169dc6c
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
4b1e418942b4e90441e2096efff55ffb9428a14e9bca43c8e8145cba59ea79f7
MD5 hash:
969de6311ff2108382afd9ff374bb828
SHA1 hash:
4ed2721ffdf7eced58caad653454e6ac67257341
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 4b1e418942b4e90441e2096efff55ffb9428a14e9bca43c8e8145cba59ea79f7

(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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