MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7
SHA3-384 hash: 2f71baa731372bcbfba364e6395ee264644cfedb707442d39edcd730d29504f48f1551ce9fced2ac9a0a9dd5cd15eeb4
SHA1 hash: bc999c667d10139a13b4ee039df6d5f75141cb74
MD5 hash: 28ab924f4ef8a47d3e45db3675b1adab
humanhash: mobile-london-delaware-stream
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:342'528 bytes
First seen:2023-11-25 09:29:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4c459b08e177ae567cc13290dc63378b (2 x Stealc, 1 x MarsStealer, 1 x Smoke Loader)
ssdeep 3072:kXE/4UeYJ0cKHTNm+TMAXgkwMA95OnUmnm8Ce0624gcdROP5wW7f5XyBk3eFx/Rj:aE4UehTgoMA3694nho16bd1W7cj
TLSH T18A74B51392E17EC4E9268B729F1F86ECB7CDF6508E497BB912189E1F14B0172C26B750
TrID 34.8% (.EXE) Win64 Executable (generic) (10523/12/4)
16.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
14.9% (.EXE) Win32 Executable (generic) (4505/5/1)
6.8% (.ICL) Windows Icons Library (generic) (2059/9)
6.7% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0008100808040400 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://5.42.64.35/timeSync.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
394
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460133/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/6561be9b7485e5b1ecba764a/reports/274cc25b-fc2c-402e-920d-31fe10a8475e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d1a89ed-9e3d-4341-ac35-7adb1fcd460e
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1347694
Signature
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)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 Crypto Currency Wallets
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/9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-25 09:30:05 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ssmdthqa6sbffvcaqy5adeuxka3sekq6gdf46jfut4leqcvb5ttq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231125-lgf7yshg36/
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://finnmanninger.icu
Unpacked files
SH256 hash:
3dfbec388b15267cbed80e5287f674b5047bd57c74e292beae4ccf8905441a51
MD5 hash:
381f4376ca32031b8006b9e6d2d82f57
SHA1 hash:
e989f6ce84f1847a35b8168b8e92d4b2a1186e76
Detections:
stealc
Create hunting rule
win_stealc_a0
Create hunting rule
win_stealc_bytecodes_oct_2023
Create hunting rule
Link:
https://www.unpac.me/results/a08c6cd3-c06c-406e-9ea1-97c8b4dc7df2/
Parent samples :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 hash:
9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7
MD5 hash:
28ab924f4ef8a47d3e45db3675b1adab
SHA1 hash:
bc999c667d10139a13b4ee039df6d5f75141cb74
Link:
https://www.unpac.me/results/a08c6cd3-c06c-406e-9ea1-97c8b4dc7df2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9498399e00f48252d440863a0192975037222a1e30cbcf24b49f16480aa1ece7

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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
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:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/460133/
  
URLhaus
https://urlhaus.abuse.ch/url/2735175/
  
URLhaus
https://urlhaus.abuse.ch/url/2735111/

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