MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2b4c728867bcc659b1f180783aa3c748f2ee95f0d2f6ed2fdc13869b1b9f0ff. 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 6 File information Comments

SHA256 hash:	f2b4c728867bcc659b1f180783aa3c748f2ee95f0d2f6ed2fdc13869b1b9f0ff
SHA3-384 hash:	0d7ff7e7ba76118c9e4a7dde7ffa6d2641e2e48faa5de26cad3bf5bffb0ef8f9f07fa7f67f569de90c5c26ddb7fd6217
SHA1 hash:	8c432cf962b267cfea9abd55c743c3bf6967492b
MD5 hash:	066c9b396600ed176c51b68e1880c7de
humanhash:	yellow-wyoming-michigan-jig
File name:	066c9b396600ed176c51b68e1880c7de.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	278'016 bytes
First seen:	2023-06-01 05:46:17 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	4715153511f0bdc6b9dc2ed71a50afc0 (3 x Smoke Loader, 2 x Rhadamanthys, 1 x Glupteba)
ssdeep	6144:wmJew2yIuNkUnZ1VDtTz5MA7a/KbAak6:w62yIuN11f35ragM
Threatray	248 similar samples on MalwareBazaar
TLSH	T1B0449D12B3D1A831EA274A718F2AC2F8662FF8714F5576DB235C5A2F0E711E1CA72345
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	8028402c80a80800 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

250

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

066c9b396600ed176c51b68e1880c7de.exe

Verdict:

Malicious activity

Analysis date:

2023-06-01 05:52:33 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/3c929428-eb20-4d18-a303-737dc88c0689

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/394289/

Detection(s):

SecuriteInfo.com.Trojan.GenericKDZ.100019.3576.13950.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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

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)

Stealing user critical data

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/88888/overview

Behaviour

MalwareBazaar

SystemUptime

MeasuringTime

EvasionQueryPerformanceCounter

CheckCmdLine

EvasionGetTickCount

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware stealc

Link:

https://www.filescan.io/uploads/647830da8c539ae218a093a0/reports/90cff316-8e84-4595-a05b-709f81d6e106/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f2b4c728867bcc659b1f180783aa3c748f2ee95f0d2f6ed2fdc13869b1b9f0ff

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/980f9dd5-4e30-4ff1-9f52-ae259e8cb087

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1246600

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

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/f2b4c728867bcc659b1f180783aa3c748f2ee95f0d2f6ed2fdc13869b1b9f0ff/

Threat name:

Win32.Spyware.Stealc

Status:

Malicious

First seen:

2023-05-31 13:56:38 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 24 (100.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6k2mokegppgglgy7dadyhkr4oshs52k7buxw5ux5ye4gtmnz6d7q._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/230601-ggwv7adc7s/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

Enumerates physical storage devices

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

Unpacked files

SH256 hash:

28611b67339f4ca34958b6474b5e7da9bfa6850c8c3b7701410272a6e49f6614

MD5 hash:

917d92f9d26aa4228f42639312c8db9e

SHA1 hash:

03a62d664410eab1787dbac00de4efe7ced5d119

Detections:

win_stealc_w0

win_stealc_auto

win_stealc_a0

Link:

https://www.unpac.me/results/e3a54464-5415-4b9c-9868-69f9a6384364/

Parent samples :
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SH256 hash:

f2b4c728867bcc659b1f180783aa3c748f2ee95f0d2f6ed2fdc13869b1b9f0ff

MD5 hash:

066c9b396600ed176c51b68e1880c7de

SHA1 hash:

8c432cf962b267cfea9abd55c743c3bf6967492b

Link:

https://www.unpac.me/results/e3a54464-5415-4b9c-9868-69f9a6384364/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f2b4c728867b/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/f2b4c728867bcc659b1f180783aa3c748f2ee95f0d2f6ed2fdc13869b1b9f0ff

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

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:	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/