MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9ab18cffac132b78895b67df19d06befe1addf848cf1c6e8b7b10a2e6be70d5. 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: 16


Intelligence 16 IOCs YARA File information Comments

SHA256 hash: a9ab18cffac132b78895b67df19d06befe1addf848cf1c6e8b7b10a2e6be70d5
SHA3-384 hash: 9728b3cfeba5592ff5ef409b811c721dc59301b4246e6fcbd56bfd35dfedebf6c3f6a5ab30ac1a7d8d93dcd862671208
SHA1 hash: f314f1f4a4b41606b2184d6d2dd1aecd6f14494c
MD5 hash: 8d85a359a13e53e0f4be220d0b79606b
humanhash: johnny-alanine-don-salami
File name:file
Download: download sample
Signature MarsStealer
File size:2'142'720 bytes
First seen:2024-10-29 08:04:32 UTC
Last seen:2024-10-29 09:31:59 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:BskAjO0z15NCnp2So7cKV64JTYhj66OltyUDrm1PJwDSg6:BspfR5NPSoYKrx6OLyGwuDSg
TLSH T12BA533500FE96BA4D46BEAB7C1CB6D89E7B672061CC3DCF3590708B7B681952BC110E9
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 :
21
# of downloads :
490
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-29 08:05:19 UTC
Tags:
stealer stealc loader rust themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Lien Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file
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.
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1544290 Sample: file.exe Startdate: 29/10/2024 Architecture: WINDOWS Score: 100 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 8 other signatures 2->69 7 file.exe 35 2->7         started        12 msedge.exe 153 635 2->12         started        process3 dnsIp4 51 185.215.113.206, 49710, 49804, 49991 WHOLESALECONNECTIONSNL Portugal 7->51 53 127.0.0.1 unknown unknown 7->53 33 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 7->37 dropped 39 10 other files (none is malicious) 7->39 dropped 71 Detected unpacking (changes PE section rights) 7->71 73 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->73 75 Tries to steal Mail credentials (via file / registry access) 7->75 79 10 other signatures 7->79 14 msedge.exe 2 10 7->14         started        17 chrome.exe 7->17         started        55 192.168.2.8 unknown unknown 12->55 77 Maps a DLL or memory area into another process 12->77 20 msedge.exe 12->20         started        22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 3 other processes 12->26 file5 signatures6 process7 dnsIp8 81 Monitors registry run keys for changes 14->81 28 msedge.exe 14->28         started        41 192.168.2.6, 443, 49706, 49707 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 30 chrome.exe 17->30         started        45 13.107.246.57, 443, 49900, 49901 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->45 47 20.125.209.212, 443, 49956, 49976 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->47 49 24 other IPs or domains 20->49 signatures9 process10 dnsIp11 57 play.google.com 142.250.185.206, 443, 49786, 49805 GOOGLEUS United States 30->57 59 www.google.com 142.250.186.164, 443, 49738, 49748 GOOGLEUS United States 30->59 61 2 other IPs or domains 30->61
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-29 08:05:06 UTC
File Type:
PE (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
f5e1a87babb83f59123d8906fc826f0c98f5e4397d6b544d5299197cf196a73e
MD5 hash:
3b1f649c7901ad8ebc663d7035c5b484
SHA1 hash:
c6be4f607633bb8cc67786e880f2d8cb2684da5b
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
a9ab18cffac132b78895b67df19d06befe1addf848cf1c6e8b7b10a2e6be70d5
MD5 hash:
8d85a359a13e53e0f4be220d0b79606b
SHA1 hash:
f314f1f4a4b41606b2184d6d2dd1aecd6f14494c
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 a9ab18cffac132b78895b67df19d06befe1addf848cf1c6e8b7b10a2e6be70d5

(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

Comments