MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cbee06cc554d522b77c75779cc6ca51f52e77accbf492670c4677c3d6abb88e. 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 9 File information Comments

SHA256 hash: 8cbee06cc554d522b77c75779cc6ca51f52e77accbf492670c4677c3d6abb88e
SHA3-384 hash: f39a2c8f4a3e7da02848b0f40f96922c0fbe243c6214d9083e3ce15012ae1d29feb5f3a12c10146d9a4b37fa797eadab
SHA1 hash: b860f271392caf8bbab962c2b5bff42eb65c2614
MD5 hash: 498539e5c7b4be9f6354cabc638c949e
humanhash: table-arizona-skylark-quebec
File name:syncUpd.exe
Download: download sample
Signature Stealc
File size:238'592 bytes
First seen:2024-01-03 04:49:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ee1daa94a5e872f1e6603a1afe23ee06 (2 x Smoke Loader, 2 x Stealc, 1 x Tofsee)
ssdeep 3072:FFL3aa4+kEmpIJiWzt+/SOvaQJnKigKfjLE+QQujXXwI2RAr+7UzKoD:FFL3/fGuavVV3E+QVjrD
TLSH T129348D1135E3C072E2B7D5754470C7B01E7BBBA76A33454E2AE827B91F25AD2CA2431B
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 d2b1e4c4e4b9c7f9 (9 x Smoke Loader, 5 x Stealc, 2 x RedLineStealer)
Reporter adm1n_usa32
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
314
Origin country :
RO RO
Vendor Threat Intelligence
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
Sending a custom TCP request
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
Stealing user critical data
Sending an HTTP GET request to an infection source
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 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 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.Spyware.Stealc
Status:
Malicious
First seen:
2024-01-03 04:50:06 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
26 of 36 (72.22%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Checks installed software on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.79
Unpacked files
SH256 hash:
83aa2c435154d0d7a3795aeb055b61efb63623e41cfb36c2d307c528d7a800dd
MD5 hash:
0ab6d9806ae054279a2c9efbf7fb3add
SHA1 hash:
28d5e8b4d1ebdccd0ddbe5b04981424007708641
Detections:
stealc win_stealc_auto win_stealc_a0
SH256 hash:
8cbee06cc554d522b77c75779cc6ca51f52e77accbf492670c4677c3d6abb88e
MD5 hash:
498539e5c7b4be9f6354cabc638c949e
SHA1 hash:
b860f271392caf8bbab962c2b5bff42eb65c2614
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:DebuggerException__SetConsoleCtrl
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_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 8cbee06cc554d522b77c75779cc6ca51f52e77accbf492670c4677c3d6abb88e

(this sample)

  
Delivery method
Distributed via web download

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