MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903. 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 9 File information Comments

SHA256 hash:	b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903
SHA3-384 hash:	cd83da2db956f698d55d8f7e42d45fbe76ecd31f832fa1d97e0e55be55c7c81d6481b746d319a83da552ef5a21bb5965
SHA1 hash:	20dbe01340369c1e10fabf28c898c6f9fff1ae34
MD5 hash:	7d03e5cd75616615792ff5da7f630d43
humanhash:	echo-ceiling-music-table
File name:	syncUpd.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	322'048 bytes
First seen:	2024-01-07 19:24:51 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	41664c42ec8e82b6bc77023fb19fd70a (2 x Smoke Loader, 1 x Stealc, 1 x LockBit)
ssdeep	6144:TARL0o0AGim9r1FTMOI8qdDPhfTgYn79oUq:TARX0AGisfQOIfDln7a
TLSH	T122648F1135E1C137E2B35AB88860C7F00B7F78A26976555E1AC71B791F2B6D18A303AF
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)
dhash icon	d2f1e4c4ecb987f9 (1 x Stealc)
Reporter	adm1n_usa32
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

348

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/469798/

Detection(s):

Win.Malware.Generic-10018551-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

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

Sending an HTTP GET request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/659afa9294d1aebfb2927b1a/reports/c1bd8db5-bdcc-4e68-9d10-76e1f1bc66a9/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903

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/ca1febde-4459-4170-bc5c-798665f10fd5

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1370955

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 Crypto Currency Wallets

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

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-01-07 19:25:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 37 (37.84%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wcaq24svkrbdihotrweuwjkr2gbdme54w5d6dhhfchne2x66hebq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240107-x4yajacdfn/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Enumerates physical storage devices

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Loads dropped DLL

Reads data files stored by FTP clients

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

Link:

https://www.unpac.me/results/75dc429c-db64-4bfd-8061-d76a5a33e179/

Parent samples :
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SH256 hash:

b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903

MD5 hash:

7d03e5cd75616615792ff5da7f630d43

SHA1 hash:

20dbe01340369c1e10fabf28c898c6f9fff1ae34

Link:

https://www.unpac.me/results/75dc429c-db64-4bfd-8061-d76a5a33e179/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b0810d725554/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/b0810d72555442341dd38d894b2551d1823613bcb747e19ce511da4d5fde3903

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 Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	detect_Mars_Stealer Create hunting rule
Author:	@malgamy12
Description:	detect_Mars_Stealer

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	Windows_Trojan_Smokeloader_3687686f Create hunting rule
Author:	Elastic Security

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/