MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b61dbd2a617235d6b4178d90d126dc57e40e74751e2f39fc8a5d8acf3e53f1c1. 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: | b61dbd2a617235d6b4178d90d126dc57e40e74751e2f39fc8a5d8acf3e53f1c1 |
|---|---|
| SHA3-384 hash: | 3a0a62b43af9842ababba52ec18c343bd86dbf043c2a72912668eeae36b3b8be73dacd2e394bfcb66145fdbef19e3298 |
| SHA1 hash: | 9deb792e17d3b178617f01ac7431d19afcdef00a |
| MD5 hash: | 874ac93d4b915cf861dcb3efde23b553 |
| humanhash: | social-seven-carbon-south |
| File name: | 874ac93d4b915cf861dcb3efde23b553 |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 273'920 bytes |
| First seen: | 2023-09-06 05:56:40 UTC |
| Last seen: | 2023-09-06 07:38:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | daa1a08dee11da8e79c5ea06916ce90f (1 x MarsStealer) |
| ssdeep | 3072:D9HRwHQ3Y90N3R6kwruqa9tvUKGBpvWrd56pOnzOVJbDAoySqFJtvgYn8Rkb:tRwHPW30ruqabvU5PeCcncJbDAWwoR |
| Threatray | 216 similar samples on MalwareBazaar |
| TLSH | T10E44CF22B7D1C072E16356344EB1C3B15E7BB8B19B749ADB6BD41A3E1E306D08E7434A |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 0060204418a04000 (1 x MarsStealer) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe MarsStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
272
Origin country :
FRVendor Threat Intelligence
Malware family:
oski
ID:
1
File name:
874ac93d4b915cf861dcb3efde23b553
Verdict:
Malicious activity
Analysis date:
2023-09-06 05:59:15 UTC
Tags:
stealc oski stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control greyware lolbin packed shell32
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
Detection:
malicious
Classification:
troj.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
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
Snort IDS alert for network traffic
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-09-06 05:57:07 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 206 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc botnet:4109976902326622912460160242 discovery stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Checks installed software on the system
Stealc
Malware Config
C2 Extraction:
http://michealjohnson.top
Unpacked files
SH256 hash:
38a5c69d1ee7c40cdc52172548936ec691f56d84bb413121375d0efa812d7c91
MD5 hash:
264d2a0135d0a951b22c3602b5bb253b
SHA1 hash:
c22c31873b2c474443b6dbf488cc28e2b434c093
SH256 hash:
b61dbd2a617235d6b4178d90d126dc57e40e74751e2f39fc8a5d8acf3e53f1c1
MD5 hash:
874ac93d4b915cf861dcb3efde23b553
SHA1 hash:
9deb792e17d3b178617f01ac7431d19afcdef00a
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerException__ConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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.
Web download
Delivery method
Distributed via web download
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