MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013. 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 1 File information Comments

SHA256 hash:	3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013
SHA3-384 hash:	b50b28ae83bc12f25cc8d956ec32b7e505eae0d3c50e4540cd7304325e8025cb074a93bb15665e7c5ed77a0cb06571c5
SHA1 hash:	b2c2363a5b69c1393b62b03bac15e9fc4557c715
MD5 hash:	4090bcb4c36bf660e37c44041456c55d
humanhash:	shade-eighteen-oven-neptune
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	2'515'456 bytes
First seen:	2024-07-08 15:29:08 UTC
Last seen:	2024-07-08 16:27:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep	49152:izS5HsWr2p7f3lDOErXH+W4BdeA2uViz9RRCyE9uDzW0C83M:izCtrwlDg3BJMGJ9u0aM
TLSH	T153C533970E9C9137F25799BDDD8AEA84B22CF5493C1C0BAD3D386D859282DC87E5B04C
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	Bitsight
Tags:	exe Stealc

Bitsight

url: http://77.91.77.81/stealc/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

366

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013.exe

Verdict:

Malicious activity

Analysis date:

2024-07-08 15:32:00 UTC

Tags:

antivm stealc stealer

Link:

https://app.any.run/tasks/fe2779f2-e1b8-403f-81e5-0c00d61d1e14

Note:

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

Detection(s):

PUA.Win.Packer.EnigmaProtector-9852682-0

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=668c05fcb17ce11188d7fb7dwin7simulatehigh_evasion

Tags:

Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Connection attempt to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

89%

Tags:

enigma lolbin microsoft_visual_cc packed packed shell32

Link:

https://www.filescan.io/uploads/668c05fdfe05860727da5412/reports/d62e96b8-8e72-4e19-a37d-33f6ad5ae371/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bf7f753a-75e4-4883-9ad0-af1dc590494c

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1469240

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)

Found malware configuration

Hides threads from debuggers

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

PE file has nameless sections

Sample uses string decryption to hide its real strings

Snort IDS alert for network traffic

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/3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-07-08 15:30:13 UTC

File Type:

PE (Exe)

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g4u5bkbfnbolh4osfwtkigwy6i7ktjcfhh46t5wsxop454lsgajq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:amadey family:stealc botnet:4dd39d botnet:nice discovery evasion spyware stealer trojan

Link:

https://tria.ge/reports/240708-sxga8ayajg/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Enumerates system info in registry

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Drops file in Windows directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks BIOS information in registry

Checks computer location settings

Executes dropped EXE

Identifies Wine through registry keys

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Amadey

Stealc

Malware Config

C2 Extraction:

http://85.28.47.30
http://77.91.77.82

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/042f1974-e37f-49ef-88fd-0189e8eb72cc

Unpacked files

SH256 hash:

3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013

MD5 hash:

4090bcb4c36bf660e37c44041456c55d

SHA1 hash:

b2c2363a5b69c1393b62b03bac15e9fc4557c715

Link:

https://www.unpac.me/results/d7ca1030-f872-4823-941a-91d871612ccd/

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/3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013

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:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

File information

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

Web download

Stealc

exe 3729d0a825685cb3f1d22da6a41ad8f23ea9a44539f9e9f6d2bb9fcef1723013

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2909129/

URLhaus

https://urlhaus.abuse.ch/url/2908698/

URLhaus

https://urlhaus.abuse.ch/url/2941921/

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

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA
WIN_BASE_IO_API	Can Create Files	version.dll::GetFileVersionInfoA

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