MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3810d6bda75751b33fa11b875121b37fdd2623f1d6b65eee403047143dbae8bd. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 3810d6bda75751b33fa11b875121b37fdd2623f1d6b65eee403047143dbae8bd
SHA3-384 hash: 30ab3724a660e41784eccd7e015bf25da6efa1d8c8070479732f98d128740f0cdffb5c8d84ea7401f136e60f6a7d07c3
SHA1 hash: b7579d550b93c0cc04ff7ac17fc784361c38871a
MD5 hash: 3cd2e41d0d01eb3d109ec278866943dd
humanhash: fruit-sad-wolfram-washington
File name:file
Download: download sample
Signature MarsStealer
File size:2'908'782 bytes
First seen:2024-09-19 08:15:27 UTC
Last seen:2024-09-19 09:20:57 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:OzKj6+7CeoRPr84A4gTm7mHV6eMFxkBBdak2GDpR:U+7CeoRPr8JTmdZkBBv2GDpR
TLSH T12BD54B52AC4A72DFD48F1774853BCD82595E82B94B2148C3A878747A7EB3CC711BAC78
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 :
497
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-19 08:18:27 UTC
Tags:
stealer stealc loader themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Infostealer Network Stealth
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Tags:
anti-vm 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
Multi AV Scanner detection for domain / URL
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 08:16:04 UTC
File Type:
PE (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
709a1d236b17fad2d316a9c9861a26d7d431fea7e58aae413ff84c8097cedf8a
MD5 hash:
087869b6d463019563995034c01454ff
SHA1 hash:
40907097d08f11fb9ea68e5b342ec74eea9842ac
SH256 hash:
3810d6bda75751b33fa11b875121b37fdd2623f1d6b65eee403047143dbae8bd
MD5 hash:
3cd2e41d0d01eb3d109ec278866943dd
SHA1 hash:
b7579d550b93c0cc04ff7ac17fc784361c38871a
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 3810d6bda75751b33fa11b875121b37fdd2623f1d6b65eee403047143dbae8bd

(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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