MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c
SHA3-384 hash: 50db3ebc0a29e24d0b9ceea82bc513009ad7b3348d5cffb9635b7ddfad90a2b1ab1e3f95fec0054168d75cf9efe6f382
SHA1 hash: 0dfd509274f50c3a9bb19ec5b2586a46e82ec35b
MD5 hash: 8f4a94508a6226681396100f182aafa1
humanhash: romeo-sweet-glucose-london
File name:8f4a94508a6226681396100f182aafa1.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:299'008 bytes
First seen:2023-05-28 07:20:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d683fcb523ac92743f5db043ced73806 (2 x Smoke Loader, 2 x Stealc, 1 x Stop)
ssdeep 3072:hu2lqV8MwhszmuH43P17cHef1ZzBlHZeT51Ex5z/5QhGvAF:Q2lnMDmS4Ms13lIW2h
Threatray 230 similar samples on MalwareBazaar
TLSH T1FC543B1396E2FC54ED668A729E2FC6EC761EF5508E0977692219BF1F04702B2C173722
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 240649414a604000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
248
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8f4a94508a6226681396100f182aafa1.exe
Verdict:
Malicious activity
Analysis date:
2023-05-28 07:20:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/de1263b8-ec35-40ed-8701-15d2fc814fa3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/392723/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
Link:
https://www.filescan.io/uploads/647300e20aa5ed8730b5befe/reports/b2b8acf1-7be9-4a78-921e-5f4bd8509833/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c
Result
Verdict:
UNKNOWN
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/c626652e-dc01-46f1-baed-12af31330c1f
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1243981
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
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
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
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-27 15:22:28 UTC
File Type:
PE (Exe)
Extracted files:
56
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtlurmomo2sqcjkltmjqyqmt57dyqjetw5ikl3qhuufsiq5wha6a._file
Verdict:
malicious
Similar samples:
0001b57cef8afca136cd082f12ffa26635dc73e5d2c8dee60097e11e3fdab1df
Stealc
34d81fa01e7570ee734e04e8d2be5c2d54c3a343ad3340b26105627b6124a2db
Stealc
3e1e3a8cf5efe616591c7b6b91265b3adf8b9bc594ec7ea9a06e7d20cde4a2ca
Stealc
5da7c2a4b3b0cb14cccd91ab7d3495945204eb705664dc764a54f23717e87b6b
Stealc
5f07f9ce603f4916b0bebb4c3491273056382d8143edd78b081d5500e0ef9483
Stealc
6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5
Stealc
7054b6754aedc7bd4f95deeaea4bf8be7835ccbd34e777bb9676f1a2e1383090
Stealc
b7178573c2e0e321c549d07d474ca385d516675ade291cab6dbe2ebd222f46b2
Stealc
f253eee093537bcb88aa0b3b3706e6b689662c287db95c850b483e71b2af9d03
Stealc
fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584
Stealc
+ 220 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/230528-h6nfsafa3x/
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
Gathering data
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cd748b1cc76/report/overview.html
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/8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c

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: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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
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/

File information

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

Web download

Stealc

Executable exe 8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2641260/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/392723/

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