MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87ec3dd4160f049b289793c2682f45bba724cc8c39de7094594fde12f5ce0df1. 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: 12

Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash:	87ec3dd4160f049b289793c2682f45bba724cc8c39de7094594fde12f5ce0df1
SHA3-384 hash:	fd18854f0c9ee686d627bbb9c642dfd7bc06f3b2388bff6dbffcdc62950c3e3e0137ffbb4d3c79879ae2f9123b547bec
SHA1 hash:	28bc78bd23a0cc307507ddfaf8406b0ac9b5b556
MD5 hash:	a0751319e2ebba282554dbde4ad5b548
humanhash:	alpha-grey-saturn-butter
File name:	a0751319e2ebba282554dbde4ad5b548.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	103'936 bytes
First seen:	2023-10-03 09:30:34 UTC
Last seen:	2023-10-03 10:38:37 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	372dad7e771f409df9ab1b912548c291 (8 x Stealc)
ssdeep	3072:k+QZx7YwQ5jXl9t6Swu6bCYf5z46CyOVfFEQjSI:LQZ1/Q9jtpf4DHO/EQjS
Threatray	527 similar samples on MalwareBazaar
TLSH	T137A3E601DA40542EE1A504FFAAAF5BEBE81C3EA41340C0C3EBB26D7925E11F664B557F
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) (4505/5/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://94.142.138.253/367d40b2d35bfd9b.php

Intelligence

File Origin

# of uploads :

# of downloads :

311

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.DownLoader46.22030.32717.8711.UNOFFICIAL

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

Sending an HTTP GET request to an infection source

Gathering data

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed stealc vidar

Link:

https://www.filescan.io/uploads/651bdf589b16696e9f8db94a/reports/f1838a8a-9ce7-4aa0-8e97-af4af65efe32/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/87ec3dd4160f049b289793c2682f45bba724cc8c39de7094594fde12f5ce0df1

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:

Oski Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b69d4895-a6f2-4f47-ab3c-02dfbeca56e1

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1318569

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

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

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

PE file has a writeable .text section

Sample uses string decryption to hide its real strings

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Tries to steal Mail credentials (via file / registry access)

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/87ec3dd4160f049b289793c2682f45bba724cc8c39de7094594fde12f5ce0df1/

Threat name:

Win32.Spyware.Stealc

Status:

Malicious

First seen:

2023-09-29 11:53:51 UTC

File Type:

PE (Exe)

AV detection:

26 of 38 (68.42%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=q7wd3vawb4cjwkexspbgql2fxotsjtemhhphbfczj7pbf5oobxyq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/231003-lg2tnabe69/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://94.142.138.253

Unpacked files

SH256 hash:

87ec3dd4160f049b289793c2682f45bba724cc8c39de7094594fde12f5ce0df1

MD5 hash:

a0751319e2ebba282554dbde4ad5b548

SHA1 hash:

28bc78bd23a0cc307507ddfaf8406b0ac9b5b556

Detections:

stealc

Link:

https://www.unpac.me/results/2fdc0db2-0a01-4753-98a3-1a7f1811b5d7/

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

Rule name:	maldoc_find_kernel32_base_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.

No further information available

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