MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d. 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 YARA 2 File information Comments

SHA256 hash:	40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d
SHA3-384 hash:	f75011bd33ab48edf754c446f0020229fff477ae3ecdda1b9858e2f5097a3fcaeab4a1d846e0eae8a0e2476721f764cc
SHA1 hash:	b6afab419f6869e468a0c40b624595941c2d308c
MD5 hash:	9b8f3ed26e3a00b86cdce7c4d89e576d
humanhash:	johnny-fish-kentucky-harry
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	457'728 bytes
First seen:	2024-09-21 21:24:58 UTC
Last seen:	2024-09-21 21:31:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	de80f36f2a6fc0a853a31d1d9771ee6a (3 x Stealc, 1 x Smoke Loader, 1 x GCleaner)
ssdeep	12288:+AByoLWSbsoE8nqgGVDbjEQxjBmkrBXOqSC:+AdLukqJnICdBrBXOqSC
TLSH	T192A49F6342B17C51F9224E728E1ED6E9365FF9308D18776B3218AA2F28713F1D563B21
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	183468508288c800 (1 x Stealc)
Reporter	Bitsight
Tags:	exe Stealc

Bitsight

url: http://185.215.113.100/steam/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

397

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-09-21 21:26:19 UTC

Tags:

stealer stealc loader

Link:

https://app.any.run/tasks/02a59b17-c611-4edb-a15e-95832cbd204a

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:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ef39aff129e67ada90612e

Tags:

Infostealer Network Stealth

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Сreating synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Connection attempt 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/66ef39b0043c09361a30bd0c/reports/32a837e3-da5d-40da-b68f-70db0cbdae1f/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d

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/e532bb9e-d694-4d4d-a6fc-bf39f0fa9946

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1515182

Signature

AI detected suspicious 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

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 submitted file

Searches for specific processes (likely to inject)

Suricata IDS alerts 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 Powershell download and execute

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-09-21 21:25:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 24 (62.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=idpswk76g2uzktr3j3sklkqitylg5jq5udmth6ltu2nw7asf2fwq._file

Verdict:

malicious

Label(s):

stealc

shellcode_loader_002

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:dear credential_access discovery spyware stealer

Link:

https://tria.ge/reports/240921-z9k89svdlk/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Program crash

System Location Discovery: System Language Discovery

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

Unsecured Credentials: Credentials In Files

Downloads MZ/PE file

Credentials from Password Stores: Credentials from Web Browsers

Stealc

Malware Config

C2 Extraction:

http://185.215.113.103

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3dea9169-9d48-4c82-8a89-51e2e65ac877

Unpacked files

SH256 hash:

0a99681d68ec521494a00a21720897edefbbc6c1d560bf57d968281a55b76efb

MD5 hash:

c43cde07da18ab3e3fb04f4a4c0dce68

SHA1 hash:

ed6f96a41dcee3742bbbe51c1813d53c96aa90eb

Detections:

stealc

Link:

https://www.unpac.me/results/d3f67a69-4e75-42fd-aac7-f30ba0fe202e/

Parent samples :

777a54bfc70de07fee25e9f2d527a242fb7681f6e86231811f69f030ab00c961
9d31c2bafa4ceb5151e4eb8f6b8ed45c7f131d2a74f382a8f577aab7444a4cbd
9c13d9a449fa5fbc115dc21ac0f8854fc68790685f6cf88e697692d1c6a8117a
c3b324d0b36b98ea3cd50498ed0c5b5b850b80a1521d8898626d736375977ec1
40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d
1996a7a79e6ce7906689e931fcd89febd9be1f6d4abe18a9116a5c3425fd5891
7fad1d5bf3c2d3837f16a6fdf5f5be2af4bcdb2033d4b5124746f642affa00ae

SH256 hash:

40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d

MD5 hash:

9b8f3ed26e3a00b86cdce7c4d89e576d

SHA1 hash:

b6afab419f6869e468a0c40b624595941c2d308c

Link:

https://www.unpac.me/results/d3f67a69-4e75-42fd-aac7-f30ba0fe202e/

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/40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d

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 40df2b2bfe36a9954e3b4ee4a5aa089e166ea61da0d933f973a69b6f8245d16d

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3171133/

URLhaus

https://urlhaus.abuse.ch/url/3184620/

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
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindNextVolumeMountPointW 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::PeekConsoleInputW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleDisplayMode KERNEL32.dll::GetConsoleAliasExesLengthA KERNEL32.dll::GetConsoleAliasExesA KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileMappingA KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::GetFileAttributesA KERNEL32.dll::SetVolumeMountPointW
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpConnect

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