MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb3f0ca0f73ac4fb29fb4cfe963153af1d644db8d5617fbb6764e9bc90e69788. 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



Stealc


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: cb3f0ca0f73ac4fb29fb4cfe963153af1d644db8d5617fbb6764e9bc90e69788
SHA3-384 hash: 962cea9bfedf5abdabebe2c540f7fed9c8caa79535ce3fbb9e418e5656c6d1ee36c306062309f62214380cd2ce1e1fed
SHA1 hash: 3bbf78fa278af461a286dad13dbecf1b7c7bbe19
MD5 hash: 39f4094f597e227d370fdde1465f13b4
humanhash: oxygen-eight-yankee-enemy
File name:file
Download: download sample
Signature Stealc
File size:259'072 bytes
First seen:2024-02-07 13:46:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cfe0a1b974722b68af46edb2d46f0f71 (2 x Stealc, 1 x GCleaner)
ssdeep 3072:fNKKZLO8PLXYSKuvWZGo2ZYMH8f5C8B/GJUUGZiXHH5FN7kxLq29M1:k8L1XYSKugGx6C84JFFrSxLY1
TLSH T1B444CF2177B3C872DAAB35B45970CBA81E3BB872E1B5C19F3354077E1E602D08A67352
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 1303030313122202 (1 x Stealc)
Reporter jstrosch
Tags:exe Stealc


Avatar
jstrosch
Found at hxxp://185.172.128[.]127/syncUpd.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
285
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 submitted file
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
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 Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-02-07 13:47:11 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
887614b8f273ed2a58768244677d5c8ecc28371ac7ab5a803446149420f268e9
MD5 hash:
0d9249e194121a81b3c716c31d2aadcf
SHA1 hash:
9298c72516ebb4e920f1c8ce49b5d220110964c0
SH256 hash:
cb3f0ca0f73ac4fb29fb4cfe963153af1d644db8d5617fbb6764e9bc90e69788
MD5 hash:
39f4094f597e227d370fdde1465f13b4
SHA1 hash:
3bbf78fa278af461a286dad13dbecf1b7c7bbe19
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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

Stealc

Executable exe cb3f0ca0f73ac4fb29fb4cfe963153af1d644db8d5617fbb6764e9bc90e69788

(this sample)

  
Delivery method
Distributed via web download

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