MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3. 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: fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3
SHA3-384 hash: f38dafaa1b3588363eb75e7ea224722d1536c54b5f7019568ce8888d5390b0f1c87aa75adc5d8b6f6e5da7eb09f38203
SHA1 hash: b2732ce2977293e2f08e4ddfc0012a6673208692
MD5 hash: ef4d942f44362d48b109c8a182ba537d
humanhash: nuts-white-east-september
File name:file
Download: download sample
Signature MarsStealer
File size:1'853'440 bytes
First seen:2024-09-26 00:38:42 UTC
Last seen:2024-09-26 00:44:03 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:lzjuGRTblK2S28Qw+XYLcg7Iv2w0gTT+alkoOndJT9yO+XnpvmOb/GLuSlh4Z3pM:lHuSI2SlQ1ewcGBUU/6uSlmmL
TLSH T1DA8533F2F9D7A11EDD6E05B9495B20BEEDE0DC6C0CE2FA9309E0927945C3E6490CB185
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://185.215.113.103/steam/random.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
449
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-26 00:39:10 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:
94.9%
Tags:
Infostealer Network Stealth 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
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:
Suspicious
First seen:
2024-09-26 00:39:05 UTC
File Type:
PE (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:save 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
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
41fe51ecb49654d77a349a8b31fa0213c52b3a32b3ed3bf10fd6baa6056805a9
MD5 hash:
ac949cf428b98e2932fbc7d5a816bd07
SHA1 hash:
6190a6262fc52a20477b192c43324bfb38a7beb6
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3
MD5 hash:
ef4d942f44362d48b109c8a182ba537d
SHA1 hash:
b2732ce2977293e2f08e4ddfc0012a6673208692
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 fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
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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