MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f. 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 5 File information Comments

SHA256 hash:	405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f
SHA3-384 hash:	a93e6623f5388e93e4e92410698bd0d1f104618649de3c37e57e5566d333f5fb6c0115df44367f08b72a0833013de8bb
SHA1 hash:	ec97411d4e7352a6e622d81a1c95d64ba6530592
MD5 hash:	f4a9708d6433d6f4203abe7fd8b3b0b8
humanhash:	london-oranges-red-indigo
File name:	f4a9708d6433d6f4203abe7fd8b3b0b8.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	398'848 bytes
First seen:	2024-11-27 16:36:34 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	434ed390db47dc724eeb18c3ab4018d3 (1 x Stealc)
ssdeep	6144:nSLzHY0HKpUttPn4aSQZu/zG5N24Dzy8N1W3Bs61T:S3HYFpa++HDmgwq6h
Threatray	59 similar samples on MalwareBazaar
TLSH	T1E984F211B9E0D071DCD755384834DAB42ABFB83255E88A8B37A42BAF1D307D26B75363
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) (10522/11/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	0206000116181000 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

345

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4eaf6f4a33cef9c6146e4be7639178e8d695b6bd5977dabf77d315338dedad7d

Verdict:

Malicious activity

Analysis date:

2024-11-27 09:44:47 UTC

Tags:

loader stealer stealc

Link:

https://app.any.run/tasks/d046a0f4-c0bd-458b-bef9-905b1ece0485

Note:

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

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=674706a6d0583382434b7130

Tags:

virus zusy hype

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm fingerprint microsoft_visual_cc

Link:

https://www.filescan.io/uploads/67474ab5a04b35947e72bf3c/reports/47333a63-63c2-4303-9335-af83c1673a6a/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f

Malware family:

Vidar

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4c8b43e9-a0d4-4c7c-8be4-91bd3218cade

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1563993

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

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 malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f/

Threat name:

Win32.Infostealer.Tinba

Status:

Malicious

First seen:

2024-11-27 11:46:54 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ibjfb5pf2ckwxrdsqfegamwajoljioujapc2a36c2cftuoplrkpq._file

Verdict:

malicious

Label(s):

stealc

shellcode_loader_002

Stealc

4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f

Stealc

6a969fa1ba45ea3d679dbd124e030d82a0ea879d9f97be8338e78f953ef1ff88

Stealc

9f0211ae5c3912eb204d513f0f6341bf5634d6d021db76a4247510e2c4d107be

Stealc

a0e267be6b982f374175ffc83be37b3fcf351cbd1e9ee899d02fb7c722c55c7b

Stealc

error

Stealc

fce03f73cad97c884e0a45f073900ed19b432dcfc9173d91cf443c2fc6ac28f6

Stealc

+ 49 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:551488411 discovery stealer

Link:

https://tria.ge/reports/241127-t4tess1pct/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Stealc family

Malware Config

C2 Extraction:

http://92.255.57.88

Verdict:

Malicious

Tags:

Stealc Stealer Win.Packer.pkr_ce1a-9980177-0

YARA:

n/a

Link:

https://app.threat.zone/submission/b38ff547-594a-45f4-8abf-280acaab0922

Unpacked files

SH256 hash:

f98b0ceafe234c9836c7922d4b23d73c016d14891c757ed9ae143492efdfc250

MD5 hash:

3e61ed8234b1979724bbfc09a8271845

SHA1 hash:

e159acb864993a726a46ce73a9cadc0155a1b064

Detections:

VidarStealer

Link:

https://www.unpac.me/results/9118ef2a-592f-4f07-a57d-37c1a129c888/

Parent samples :
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SH256 hash:

405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f

MD5 hash:

f4a9708d6433d6f4203abe7fd8b3b0b8

SHA1 hash:

ec97411d4e7352a6e622d81a1c95d64ba6530592

Link:

https://www.unpac.me/results/9118ef2a-592f-4f07-a57d-37c1a129c888/

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/405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f

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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

File information

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

Web download

Stealc

exe 405250f5e5d0956bc47281486032c04b96943a8903c5a06fc2d08b3a39eb8a9f

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3224579/

Delivery method

Distributed via web download

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::FindNextVolumeMountPointA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleInputW KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW KERNEL32.dll::GetTempFileNameA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA

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