MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5. 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: 13

Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash:	6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5
SHA3-384 hash:	b76c70d44e2b60f6f03c6fa4f32f2c63d972dcc4ae14f7bed657aefae586a5291e12e012de9c8087d2730dea0c5367d3
SHA1 hash:	90d982bbabcfc6c6ca7ddc0e0813d962502540cf
MD5 hash:	ee9b0aeb1bb48c9c59d3fdabf17cb7cc
humanhash:	carpet-zulu-arkansas-coffee
File name:	02111599.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	288'256 bytes
First seen:	2023-05-26 12:09:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	423f82067a4b8309074802129337006c (4 x Glupteba, 2 x Stop, 1 x Stealc)
ssdeep	3072:a19SroOgeVOC7IHe2C5VbqCZsee09JRGAU3x5YYEbsTjOQX:a7ko5vnRC7bqCCefJUAjYEbsT
Threatray	218 similar samples on MalwareBazaar
TLSH	T1DB544B939AE27DB0F6264B729E2EC2E8761EF610CF59376952389E1F04B0176D163701
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):
dhash icon	1208000410040800 (1 x Stealc)
Reporter	Neiki
Tags:	Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

02111599.exe

Verdict:

Malicious activity

Analysis date:

2023-05-26 12:13:18 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/4e8ef434-6dac-45c6-8789-b6eb0705c688

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/392062/

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

Sending a custom TCP request

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/6470a19c98be835b23deb4be/reports/a8b986e0-a551-4e0e-ae7e-af0c968298aa/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/be42ad31-c7f4-4456-a186-962363b72f60

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1243247

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)

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/6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5/

Threat name:

Win32.Trojan.Privateloader

Status:

Suspicious

First seen:

2023-05-26 12:10:08 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=njxspwogn2xn6dfk6dsibq3jm6ocm2sotzfwojn7vbzfddjjak2q._file

Verdict:

malicious

Stealc

1989b578e9207004dba31c1fe03a075d21754f68f3bb43630783f75735e9f33c

Stealc

208d115132e8b37828c40f56e9b905c72a40b0bc881736ec3a90a1c03baa1214

Stealc

692acdd1260c5ae8f348c53834be0a23b94bac00c45fb0926613ff4eb669f90f

Stealc

7beb3f5dd622520c95241c27a48c3728ff3e77178870271f620e9c217850d4d2

Stealc

91c54161415866a533e47eee9e0c440a7ad855bab9e198b968439f1ed8ee94ca

Stealc

a89aa208ba0c1f5f19abf41c0218079bc3776189466a617210d9a4cf4886ee31

Stealc

bef14d51446ab2f7d3bc07a09398587253a4e844331dfba145ae9508e8aa30bb

Stealc

c1dab82709182c10a632dfaa77ce0660e7b4020516ef57b06649a34ada28d9df

Stealc

+ 208 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/230526-pb17qafg91/

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/64644fa1-ef5c-409b-8ad7-58b69eb3cc1a/

Parent samples :

bef14d51446ab2f7d3bc07a09398587253a4e844331dfba145ae9508e8aa30bb
0001b57cef8afca136cd082f12ffa26635dc73e5d2c8dee60097e11e3fdab1df
6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5
7054b6754aedc7bd4f95deeaea4bf8be7835ccbd34e777bb9676f1a2e1383090
fc8a4cf4cdbd2de468b872d65acc55ed3e0664ada77d3d98f105127a780b7584

SH256 hash:

6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5

MD5 hash:

ee9b0aeb1bb48c9c59d3fdabf17cb7cc

SHA1 hash:

90d982bbabcfc6c6ca7ddc0e0813d962502540cf

Link:

https://www.unpac.me/results/64644fa1-ef5c-409b-8ad7-58b69eb3cc1a/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6a6f27d9c66e/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/6a6f27d9c66eaedf0caaf0e480c369679c266a4e9e4b6725bfa872518d2902b5

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/