MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35. 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 17 File information Comments

SHA256 hash:	34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35
SHA3-384 hash:	3c0341db275089947edbd49d17c4b9082bcca318746b7eb17c439eaef15dddfb1b0af4211c4a3d88ae4ec1638b37152d
SHA1 hash:	c16a7671767a2b1fdc7ac76b34576fc79be8d0b9
MD5 hash:	9e93d007081325a96cd001bc503e5cb3
humanhash:	delaware-stairway-spring-green
File name:	9e93d007081325a96cd001bc503e5cb3.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	314'368 bytes
First seen:	2024-04-29 02:40:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f8d3d580c89ab890cee57ed29743eeb7 (13 x Stealc, 1 x Rhadamanthys)
ssdeep	3072:g56QrqfU+wpw5CL0lRh+WbL/OvcpRGscfiZXgN9pt5XmRFSyjkY5wmHEdeI7IMNU:KGo65QMhSIRJZY3t1mDHjyyEc8NU
TLSH	T119645C0372D07C94E566C7328E3EB6E8271EF9204E997B2722187A6F14F91F1E263751
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	0301030529013100 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://185.172.128.151/7043a0c6a68d9c65.php

Intelligence

File Origin

# of uploads :

# of downloads :

325

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35.exe

Verdict:

Malicious activity

Analysis date:

2024-04-29 02:40:53 UTC

Tags:

stealer stealc loader

Link:

https://app.any.run/tasks/015a085c-a07a-4483-955a-2b10b1417faf

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connecting to a non-recommended domain

Connection attempt

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint packed

Link:

https://www.filescan.io/uploads/662f08bf5a92da3281417c6d/reports/6df511e3-1c1c-41f3-b203-83b75c290883/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35

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/5ae41cc5-dabd-4174-8751-c904e8eacfc2

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1433072

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)

Self deletion via cmd or bat file

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

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/34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-04-28 22:45:54 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gsrcpvl6fjnfwucxzziiar3m4gfqpet2yjn5p6cdvuxu5lr7pu2q._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240429-c6e7hsfg76/

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

Deletes itself

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://185.172.128.151

Unpacked files

SH256 hash:

34191242a36acb1932dde13416a12b5206a1688bbf48ee00b4a735fbec31e49c

MD5 hash:

dddbeb717a8347ba8a4f3cc1b7f0a823

SHA1 hash:

7e546bc5c38d5434d637ee367ed7e06b04e12e9a

Detections:

stealc

win_stealc_auto

Link:

https://www.unpac.me/results/597c1012-af2e-4c8a-8001-d9415be4a2fd/

Parent samples :

828735c9709ac08d9cf082a41c8516596ebe117e5f49ddb7083fe8f73c78c9f9
2ad46d1e3c84a67063d7b773b774640c4f52ce27607a7559174177f2dcbdca3c
b708baa9b529adc2da4c9dfeef1a7c62d1a9cc231cb82561334de8c0a99cbbdb
34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35
ebd2762a31add17ea93d027db70242ed934bf2e7451b3a6bbe472a69d789197d
448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1
05ce414e1e8ed6bb69f76017e7daecf72375b71bdf5e2f8b8ec294c5887aa8b7
1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
d75944f20168d0585058bd5b7035c79c4728cda469bf1edee6f62bfd2847ea67
31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
5582b042cd5654b5fe130a0ecb5c1e6a4acafc2699e43623625d0ec1393e7439
fba5ceee28251849d9109dc3d0a84207f71983d378786b1c0f0f4b5d38371e33
806e53a683ec3126336abe61b387f8f9f94d7bae0b0f2389751764f8b4ab18ec
c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9
373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

SH256 hash:

34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35

MD5 hash:

9e93d007081325a96cd001bc503e5cb3

SHA1 hash:

c16a7671767a2b1fdc7ac76b34576fc79be8d0b9

Link:

https://www.unpac.me/results/597c1012-af2e-4c8a-8001-d9415be4a2fd/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/34a227d57e2a/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/34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35

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:	Check_OutputDebugStringA_iat Create hunting rule

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of MFA browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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:	QbotStuff Create hunting rule
Author:	anonymous

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/

Rule name:	yara_template Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

exe 34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35

(this sample)

URLhaus

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

Delivery method

Distributed via web download

URLhaus

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

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_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasesA KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::GetSystemDirectoryA KERNEL32.dll::RemoveDirectoryA KERNEL32.dll::GetTempPathA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA KERNEL32.dll::QueryDosDeviceW

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample