MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 787191412b7a3f3f11e980d56edc83c4b9decfc6c9ab493a8f0ffcf4946d9e28. 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: 16


Intelligence 16 IOCs YARA 13 File information Comments

SHA256 hash: 787191412b7a3f3f11e980d56edc83c4b9decfc6c9ab493a8f0ffcf4946d9e28
SHA3-384 hash: 54cac7fd0e32473be791dec6800eacc43eb41540e672ede0c15bb1a3fcc9aeeed8290a02a2af894bc55e1d9fe0e1cbe3
SHA1 hash: 5e8ec9e40f886d9ad58a7e630a476e6bf52c4b88
MD5 hash: a6497aa26977257d007516976622d9fc
humanhash: mexico-hamper-magazine-sink
File name:syncUpd.exe
Download: download sample
Signature Stealc
File size:290'304 bytes
First seen:2024-01-18 01:06:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f7df7285cdb520de588415d277cad136 (2 x Smoke Loader, 1 x Tofsee, 1 x Stealc)
ssdeep 3072:mU0VisoL+1rr6QCXRc4LMmOH2ocOHO+pyVK8V5QpmB1k48cV1JDh1O:mUgiVLareQCXRfOH2oct+pywjkB1pJd
TLSH T16754081392E27D55EA268A728E3FC3F8761EF6508E4977792318AF6F04B1172C263711
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 00082840020a0200 (1 x Stealc)
Reporter adm1n_usa32
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
489
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
5f4e6ad9f409c18f6906419c137bc8774da698a6b715841f346498a6ca9e7baa.exe
Verdict:
Malicious activity
Analysis date:
2024-01-18 01:43:16 UTC
Tags:
amadey botnet stealer redline loader stealc fabookie smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
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
Snort IDS alert for network traffic
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.SmokeLoader
Status:
Malicious
First seen:
2024-01-18 01:07:08 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc 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
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.79
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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: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:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Description:Bytecodes present in Stealc decoding routine
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Author:Matthew @ Embee_Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe 787191412b7a3f3f11e980d56edc83c4b9decfc6c9ab493a8f0ffcf4946d9e28

(this sample)

  
Delivery method
Distributed via web download

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