MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b0a44c5c46b353abd46e4f68f73f51123d00aaf5450d0953a84484a5f25e63f. 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 File information Comments

SHA256 hash: 4b0a44c5c46b353abd46e4f68f73f51123d00aaf5450d0953a84484a5f25e63f
SHA3-384 hash: f284f3cb43430a9d16784521718ee7ff7adb7804290830ef91ff3f8a7c1e2b35a8313ac1ffa448cc56adcbf856d41c5c
SHA1 hash: 8e84ffee89d063a3d651c0b394b407e5dbe1ab20
MD5 hash: 5d91654e434d738d19d7d1c5cc68d45c
humanhash: hydrogen-washington-blossom-carbon
File name:file
Download: download sample
Signature MarsStealer
File size:1'755'648 bytes
First seen:2024-09-14 22:37:32 UTC
Last seen:2024-09-14 22:37:53 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:iisc4EOTnmmZayruEaczX/FGipKKcj2B:Bsc4EOTHxaW/e
TLSH T17685331A3F23CA71C7AD833786114D5F3AA4304E7A974FE86C765B036257F9122C39A9
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 :
3
# of downloads :
436
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
Infostealer Network Stealth
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:
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 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)
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.Ransomware.RedLine
Status:
Malicious
First seen:
2024-09-14 22:38:06 UTC
File Type:
PE (Exe)
AV detection:
16 of 18 (88.89%)
Threat level:
  5/5
Verdict:
malicious
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:
b22c5d0e682ec0157a97ffe6909be8f05a5276b655b1c5442d310d3391adee60
MD5 hash:
b55095a120dc9702449f73567a0a7c30
SHA1 hash:
b0b2689fede34d33213eb0e5fe1924c36f6d2535
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
4b0a44c5c46b353abd46e4f68f73f51123d00aaf5450d0953a84484a5f25e63f
MD5 hash:
5d91654e434d738d19d7d1c5cc68d45c
SHA1 hash:
8e84ffee89d063a3d651c0b394b407e5dbe1ab20
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 4b0a44c5c46b353abd46e4f68f73f51123d00aaf5450d0953a84484a5f25e63f

(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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