MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 316d90bb02fe3411fbe36c0ed10b9f9d00d6a4bcb121f872a57b11180eace5e1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 316d90bb02fe3411fbe36c0ed10b9f9d00d6a4bcb121f872a57b11180eace5e1
SHA3-384 hash: 03ec65679e8618d1d4d2a4ee355eeb1854110deb2cb3ede32ce44f3d0368f8094ef80d3d24ba4125f572e70fe5ccfe90
SHA1 hash: 1ea61bd6f4b42f783661f7e211b39a615b0caf61
MD5 hash: 4df203d17eba02199a3ec34f8de7e1a3
humanhash: pennsylvania-ohio-steak-kilo
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:245'248 bytes
First seen:2023-10-19 10:06:21 UTC
Last seen:2023-10-21 12:33:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash cb78eb0fa2022e79bc663b674753824a (1 x MarsStealer, 1 x Smoke Loader)
ssdeep 3072:L0Xj82yL4tpOMuF0eOFpbT5YKupWb5vtRFv3dsY/+ZW5KqPy8:0gLaOMu1ORYKNbPRFPdNCq
Threatray 263 similar samples on MalwareBazaar
TLSH T1DF348D0272D1FC61D92666319F2DC6E8766EB8B0CE49675732183F5F1AB11E2F263311
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):PE icon
dhash icon 0002119141213910 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://jackantonio.top/timeSync.exe

Intelligence

File Origin
# of uploads :
64
# of downloads :
339
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-19 10:06:57 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/b73b6747-ee23-4b7f-8794-b069221fe5ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
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
Stealing user critical data
Sending an HTTP GET request to an infection source
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lolbin packed shell32 xpack
Link:
https://www.filescan.io/uploads/6530ffc710dbe5fb92cecf1f/reports/0870b748-14c4-41f3-a8b0-56c67c79fa9d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/316d90bb02fe3411fbe36c0ed10b9f9d00d6a4bcb121f872a57b11180eace5e1
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/115e3778-3f33-4d08-86b1-9f0939a1326f
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1328622
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
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 Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/316d90bb02fe3411fbe36c0ed10b9f9d00d6a4bcb121f872a57b11180eace5e1
Detection:
stealc
Create hunting rule
Link:
https://mwdb.cert.pl/sample/316d90bb02fe3411fbe36c0ed10b9f9d00d6a4bcb121f872a57b11180eace5e1/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-19 10:07:05 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gfwzboyc7y2bd67dnqhncc47tuannjf4weq7q4vfpmirqdvm4xqq._file
Verdict:
malicious
Similar samples:
026852f32a62ad4182dd36c3b344ebb9eb76f9446cd280eabf342703379968a7
MarsStealer
105dd6588b4c238c1d53131dfb31bf6927839accea90d2d798765e0a96f4f0e5
MarsStealer
2fc2dbfc4d287d1cc2fd6021c2b8285f96b8ae83710a7f6cd301ff53418422f4
MarsStealer
37598ef0d60434956df3670b94e6dee091e89deb67e9eefa820c24312923f8b1
MarsStealer
4a867373dd1a1f97400f342569527b09ff79740d024ede9c6659e8f472e47a30
MarsStealer
98e2336afe9aed01d8859c988cb984a017800bf5a5760a643b9f5579c8936e40
MarsStealer
9c53e9c83f7648eca0e6c9469468fab057a07fbf5d584b9203f9806d6d9540ff
MarsStealer
a56356f82dc7c482f8c5d394e654b9e3774897c5ce728979d12f4c99555f9a05
MarsStealer
f8820844564b14f463d21641304f68191cd75988aa88406bff0ed876876969e2
MarsStealer
fa3624f4be5119d36ae2edc33860d829199e79c77c81cb4aa52a2f07b8af5da9
MarsStealer
+ 253 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231019-l5mpmsfc6y/
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
Stealc
Malware Config
C2 Extraction:
http://kevinrobinson.top
Unpacked files
SH256 hash:
0250eca00f2b3af694f4fbe2cce813cd21c80640dcc246d06d1a880c2575cdf7
MD5 hash:
96d414f1a261ed4fdbbe76b041999304
SHA1 hash:
6c65917f825b543f551a6128f256a6af8ed5b12c
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/a43452f9-a705-4844-ba06-bc145de93f14/
Parent samples :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 hash:
316d90bb02fe3411fbe36c0ed10b9f9d00d6a4bcb121f872a57b11180eace5e1
MD5 hash:
4df203d17eba02199a3ec34f8de7e1a3
SHA1 hash:
1ea61bd6f4b42f783661f7e211b39a615b0caf61
Link:
https://www.unpac.me/results/a43452f9-a705-4844-ba06-bc145de93f14/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/316d90bb02fe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
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
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

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
  
URLhaus
https://urlhaus.abuse.ch/url/2720398/
  
URLhaus
https://urlhaus.abuse.ch/url/2721633/

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