MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee. 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: 17

Intelligence 17 IOCs 1 YARA 2 File information Comments

SHA256 hash:	4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee
SHA3-384 hash:	8f0c04f7473141ed83b974fe8737c005ef9c8016ce7e8a925cbc3f15d36b6d0631b8f1377409b4270a7682b1fb363faa
SHA1 hash:	89d7cb78c582d456755fdaa0bd6ab48d3d4600db
MD5 hash:	a4759ce254f0e30caf95e2b7db43ff43
humanhash:	batman-stream-glucose-pennsylvania
File name:	a4759ce254f0e30caf95e2b7db43ff43.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	417'280 bytes
First seen:	2024-09-25 10:35:36 UTC
Last seen:	2024-09-25 10:45:01 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	dbcafdf90cf6fa1f29b89e8542f94f6a (2 x Stealc, 1 x Smoke Loader)
ssdeep	12288:wOk7DOkC5vDtUPqNeeiJu99Ilp7vxuuI:wjnC57tUPblu9upduuI
TLSH	T1EB94AF4392D5BF30E4274B329EAEC6F9361DF9624D193767225B6E2F24B00B1C16BB11
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)
Magika	pebin
File icon (PE):
dhash icon	0301132301113100 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://185.215.113.37/e2b1563c6670f193.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
http://185.215.113.37/e2b1563c6670f193.php	https://threatfox.abuse.ch/ioc/1328966/

Intelligence

File Origin

# of uploads :

# of downloads :

529

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

a4759ce254f0e30caf95e2b7db43ff43.exe

Verdict:

Malicious activity

Analysis date:

2024-09-25 10:37:10 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/53dba542-99ad-47c9-9aa1-1d6574fc3ee0

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:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66f3e79656c487103d525cf7

Tags:

Infostealer Network Stealth Cobalt Spam

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:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/66f3e79928a6e83e14168f66/reports/74a17c9b-dd07-42a4-9e46-ac70cfde16ef/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee

Result

Verdict:

SUSPICIOUS

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/707b9af4-3615-41cf-b755-65097ee499df

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1518124

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 evasive API chain (may stop execution after checking locale)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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/4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee/

Threat name:

Win32.Spyware.Stealc

Status:

Malicious

First seen:

2024-09-25 10:18:46 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j43d2qor4vawejscoxvsmjufvjsqrlzo36zk66q3dokqgt72mpxa._file

Verdict:

malicious

Label(s):

stealc

shellcode_loader_002

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:save discovery stealer

Link:

https://tria.ge/reports/240925-mm9l5azhrn/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Malware Config

C2 Extraction:

http://185.215.113.37

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/79d1755e-a7fb-4183-80f6-e9936fe653a3

Unpacked files

SH256 hash:

d8546f99164fffd3bc7b952800f6b2464c2274a9ecea6189917cb8d5aceba451

MD5 hash:

f16af90f3657d850ff54444e057d3be2

SHA1 hash:

4e372737fb2e6cdbe47200577f9ed02304c77197

Detections:

stealc

Link:

https://www.unpac.me/results/0439630f-00bd-4e72-8c54-ada95bc85110/

Parent samples :
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SH256 hash:

3986363fb8deb6927a153051c4d412001481d4cb60a113261c0e0402238bfef9

MD5 hash:

f5aa858b2cbbb784ca62b8891c9f557e

SHA1 hash:

f45f07667a035a43b06a5f43755e249a67a01f67

Link:

https://www.unpac.me/results/0439630f-00bd-4e72-8c54-ada95bc85110/

SH256 hash:

4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee

MD5 hash:

a4759ce254f0e30caf95e2b7db43ff43

SHA1 hash:

89d7cb78c582d456755fdaa0bd6ab48d3d4600db

Link:

https://www.unpac.me/results/0439630f-00bd-4e72-8c54-ada95bc85110/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4f363d41d1e5/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

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

File information

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

Web download

Stealc

exe 4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3184548/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3182950/

URLhaus

https://urlhaus.abuse.ch/url/3184622/

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 WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindNextVolumeMountPointA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExA KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesW KERNEL32.dll::GetConsoleAliasExesLengthW KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileMappingA KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::GetFileAttributesA

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