MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584. 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: 15

Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash:	fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584
SHA3-384 hash:	5e49e51a25dbbd572e5eae9ef5b9ea3f646ead0078d7e0b0a9b553a33f0a96f0d0e388f743e99beb965166559b5db1bb
SHA1 hash:	96316c0b606e98c1b84609f243de8596fe61e0e5
MD5 hash:	56f7220f0987dc74bc0d5bb27f3df3ca
humanhash:	lemon-harry-missouri-california
File name:	56f7220f0987dc74bc0d5bb27f3df3ca.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	288'256 bytes
First seen:	2023-05-26 14:52:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	cf153d148f3b48fcf9e1168b3803ffa4 (3 x Stealc, 2 x Glupteba, 1 x Stop)
ssdeep	3072:qn3gEjBb7HYEr4YkY57STYRDZkLszNTszFp546apTjOWHd:q3hjpcE0FFODZkLszKO6+T3
Threatray	220 similar samples on MalwareBazaar
TLSH	T14C545C139BE17E90ED274B72AE3EC6E8761EF5508F19776A22189B1F04B41B6C273701
TrID	38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	0303062206220a02 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

251

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

56f7220f0987dc74bc0d5bb27f3df3ca.exe

Verdict:

Malicious activity

Analysis date:

2023-05-26 14:57:56 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/e5a64b9b-f425-4f14-9ec8-b9545b6307f8

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/392173/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Sending an HTTP GET request

Creating a file

Reading critical registry keys

Changing a file

Creating a file in the %AppData% subdirectories

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

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware packed xpack

Link:

https://www.filescan.io/uploads/6470c7d32c496c7db201f1ab/reports/366a7d0e-6fea-4ffc-8e5a-298edd6b4250/overview

Verdict:

Malicious

Labled as:

Mikey.Generic

Link:

https://www.hybrid-analysis.com/sample/fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c2c8a6c0-96c6-4833-b6d7-3923c1dc5167

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1243363

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)

Modifies existing user documents (likely ransomware behavior)

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

Tries to steal Mail credentials (via file / registry access)

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2023-05-26 10:48:01 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7sfez5gnxuw6i2fyollfvtcv5u7amzfnu56t3ghraujhu6alowca._file

Verdict:

malicious

Stealc

1989b578e9207004dba31c1fe03a075d21754f68f3bb43630783f75735e9f33c

Stealc

208d115132e8b37828c40f56e9b905c72a40b0bc881736ec3a90a1c03baa1214

Stealc

692acdd1260c5ae8f348c53834be0a23b94bac00c45fb0926613ff4eb669f90f

Stealc

6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5

Stealc

7054b6754aedc7bd4f95deeaea4bf8be7835ccbd34e777bb9676f1a2e1383090

Stealc

7beb3f5dd622520c95241c27a48c3728ff3e77178870271f620e9c217850d4d2

Stealc

91c54161415866a533e47eee9e0c440a7ad855bab9e198b968439f1ed8ee94ca

Stealc

bef14d51446ab2f7d3bc07a09398587253a4e844331dfba145ae9508e8aa30bb

Stealc

+ 210 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/230526-r9bqtsge2w/

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

Detects Stealc stealer

Stealc

Malware Config

C2 Extraction:

http://ronaldlitt.top/25d4fc7fb0cb6b78.php

Unpacked files

SH256 hash:

58e53420d38723729e0a62dc9304b275a9593cff22ba9f65a57e44046794bcea

MD5 hash:

acf44137d5a042a71d104a42792716ec

SHA1 hash:

4e3442a36cdf47b496b1fe827757f14c531e4b1d

Detections:

stealc

win_stealc_auto

win_stealc_a0

Link:

https://www.unpac.me/results/ea341e91-60c4-4835-892a-8693549c3cfd/

Parent samples :

bef14d51446ab2f7d3bc07a09398587253a4e844331dfba145ae9508e8aa30bb
0001b57cef8afca136cd082f12ffa26635dc73e5d2c8dee60097e11e3fdab1df
6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5
7054b6754aedc7bd4f95deeaea4bf8be7835ccbd34e777bb9676f1a2e1383090
fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584

SH256 hash:

fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584

MD5 hash:

56f7220f0987dc74bc0d5bb27f3df3ca

SHA1 hash:

96316c0b606e98c1b84609f243de8596fe61e0e5

Link:

https://www.unpac.me/results/ea341e91-60c4-4835-892a-8693549c3cfd/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fc8a4cf4cdbd/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/fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584

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:	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/