MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382. 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 12 File information Comments

SHA256 hash:	b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382
SHA3-384 hash:	66a9fd23431feb1f94ef63748d8b7197faf415c40a3998289cdb4c258c07e4ecfce0b238081122a728e59d90cb246ca5
SHA1 hash:	2d91e4a20ffb26d31c396f64546c68bac9e37208
MD5 hash:	7afa5dd515203626695eeda4606d1c63
humanhash:	music-pennsylvania-happy-magazine
File name:	7afa5dd515203626695eeda4606d1c63.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	313'344 bytes
First seen:	2024-04-17 07:15:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	17ccf166284947c6d6cbcd86ca514021 (3 x Stealc, 1 x RiseProStealer)
ssdeep	3072:4mhodyTiEb28g2o3pTg/P9LQKi+XPb1Kj1QUsl0XwARbNsWuxfTBdk8kBfUse6S3:Cydi82g3RQKiswsl0XwAP4lcPSoGn7
TLSH	T1A5646B0272E1E862F53347725A6DC2BC767EFDE14E565B6B2348DE2F09700A0D622772
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) (4504/4/1)
File icon (PE):
dhash icon	0000200000100800 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://185.172.128.23/f993692117a3fda2.php

Intelligence

File Origin

# of uploads :

# of downloads :

344

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382.exe

Verdict:

Malicious activity

Analysis date:

2024-04-17 07:16:51 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/28224231-0d7d-41a8-bac3-792c30ae3ae2

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connecting to a non-recommended domain

Connection attempt

Sending an HTTP GET request

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382

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/9704c0ec-3940-4a8b-bcc5-54ec0300a2f0

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1427210

Signature

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

Searches for specific processes (likely to inject)

Snort IDS alert for network traffic

Tries to harvest and steal Bitcoin Wallet information

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 Mars stealer

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-04-17 07:11:34 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=wmedrr6uvzeobpjlkmhlmowjeaci6bcnt72zozuit52ttcom4oba._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc stealer

Link:

https://tria.ge/reports/240417-h3slbsab9w/

Behaviour

Program crash

Stealc

Unpacked files

SH256 hash:

408102606329d7411ef7bb3c01b6d54e5fbe10fe567e1672ff071443f87455dd

MD5 hash:

1fdb69030294c6a0e6d95e2b986ac393

SHA1 hash:

00a499ae4b6237f376986097a3f29f58ae72a6d6

Detections:

stealc

win_stealc_auto

Link:

https://www.unpac.me/results/4a1b1cd9-2340-42ef-9ea9-83cb3651629b/

Parent samples :

bf64f0b89179c564e2ccac32d33face7727c828421044c6c132dece09c026aa3
b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382
1fc72c18b636e240637025cb7bf63a10c06d748f0638d17b3746d6ec3ffeac23
ae33e5e830eb9997198b78b50e593332307145000af1a287a7ad7391b81e60e6
f00f1ab406a347742ab2f7bc17cfe46111a4d64cee105cfd7ccf14986ed67886
6fe192fbca5a63363c6e7e438976579517ba732be8fb3e388717d9875c17389c
9d5903667ad215ac4efb3346c2179ac6bf5ca7fa3a9efcb6ceec6c53421434b4
e61a1c0e47f6e5606ae0df9b2e8b41d26e2cc4b7d8a77c67032bcd0ad32b4d5c
ee7217ad15c2331e7823adc7a9af7d647c412fb2df03ca7a1caeb9432c9ce2f7
a56642e3313d37349be83eccecbf6b4d41c3b8aaaa1c19d637add3234c68c182
ca3cb9514c8544017cef8e68c76d4abbb7028019d2db0c4ac4d88c29700743dc
6990b050ea013f9b45df9fc7b3db7e1e6e25631de7761e1f7f2f72501535af50

SH256 hash:

b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382

MD5 hash:

7afa5dd515203626695eeda4606d1c63

SHA1 hash:

2d91e4a20ffb26d31c396f64546c68bac9e37208

Link:

https://www.unpac.me/results/4a1b1cd9-2340-42ef-9ea9-83cb3651629b/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b30838c7d4ae/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/b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382

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:	DebuggerHiding__Active 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:	EXE_Stealer_StealC_Feb2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

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:	malware_Stealc_str Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	Stealc infostealer

Rule name:	Windows_Trojan_Generic_2993e5a5 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Stealc_b8ab9ab5 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

exe b30838c7d4ae48e0bd2b530eb63ac920048f044d9ff59766889f753989cce382

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2754939/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2793509/

URLhaus

https://urlhaus.abuse.ch/url/2812849/

URLhaus

https://urlhaus.abuse.ch/url/2810818/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationW KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AddConsoleAliasW KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileA KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::RemoveDirectoryW
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpReadData

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