MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fd41ab5fa1562ff06b5a81eace78e7e493e3320b4684e218abf8a47a798e684b. 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
| SHA256 hash: | fd41ab5fa1562ff06b5a81eace78e7e493e3320b4684e218abf8a47a798e684b |
|---|---|
| SHA3-384 hash: | 9e02c36027026843f3f3b05fdbd41c357a53b0e0436cce99befd7724d96682609cad36abe9cabc1df1316514ec74a66e |
| SHA1 hash: | 435b44a356b4d2a9ed0044ee29223bc2e3776f8e |
| MD5 hash: | 9c5fd10a7f29031cd5bd913ed2ea041a |
| humanhash: | hydrogen-violet-kilo-happy |
| File name: | file |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 261'120 bytes |
| First seen: | 2023-07-25 12:50:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1c187c5419584098cd104bb53d369d28 (5 x RedLineStealer, 1 x MarsStealer, 1 x Stealc) |
| ssdeep | 3072:iXfRMBrql5geje58vjlkAuswOvq94++qlkEctpSI98h:2qJegeq5ojR9w5xJnctn |
| Threatray | 24 similar samples on MalwareBazaar |
| TLSH | T11744CE1276E0D072D06346305930C6A12F7B78725B789ACF73A81B3E6EB07D1AB79356 |
| TrID | 37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 16.0% (.EXE) Win32 Executable (generic) (4505/5/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 70d0ddd0d8c5d2dd (1 x MarsStealer) |
| Reporter |  andretavare5 |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
282
Origin country :
USVendor Threat Intelligence
Malware family:
arkei
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-25 12:51:27 UTC
Tags:
stealc stealer loader lumma arkei oski
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Djvu
Status:
Malicious
First seen:
2023-07-25 12:51:06 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 14 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
67e733069b858d3b1755210f96834936db5e61cb94f485027fae194c41d04a60
MD5 hash:
2c53a0953fe69825b45ffc2078afa720
SHA1 hash:
7fd7b6be80586deff8af51e8d45ed4b5fca512d2
SH256 hash:
fd41ab5fa1562ff06b5a81eace78e7e493e3320b4684e218abf8a47a798e684b
MD5 hash:
9c5fd10a7f29031cd5bd913ed2ea041a
SHA1 hash:
435b44a356b4d2a9ed0044ee29223bc2e3776f8e
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | detect_Mars_Stealer |
|---|---|
| Author: | @malgamy12 |
| Description: | detect_Mars_Stealer |
| Rule name: | infostealer_win_stealc_standalone |
|---|---|
| Description: | Find standalone Stealc sample based on decryption routine or characteristic strings |
| Reference: | https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/ |
| Rule name: | sus_pe_free_without_allocation |
|---|---|
| Author: | Maxime THIEBAUT (@0xThiebaut) |
| Description: | Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution |
| Rule name: | Windows_Trojan_Smokeloader_3687686f |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_stealc_w0 |
|---|---|
| Author: | crep1x |
| Description: | Find standalone Stealc sample based on decryption routine or characteristic strings |
| Reference: | https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Dropped by
PrivateLoader
Delivery method
Distributed via drive-by
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.