MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34. 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 8 File information Comments

SHA256 hash:	859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34
SHA3-384 hash:	3c21076fd878f59935eca1a07dac8a62235b94f9bd9950ecd45be8798cd5b46d90cea292d04fdcee12229cf2d2d24901
SHA1 hash:	c7d988d3e0dec0a930fb9525be2adc80e3f5d1ff
MD5 hash:	b0044738a86a4efac77fdf9f92a2d675
humanhash:	white-gee-single-magnesium
File name:	b0044738a86a4efac77fdf9f92a2d675.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	295'424 bytes
First seen:	2023-12-07 21:25:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	cac851761fba152809bc4af7164e7654 (6 x Smoke Loader, 5 x Stealc)
ssdeep	3072:81fPcGoaF3VTvRA5U0I8w/ESJVYqDafACbk1EKgRQCZapPwOeTsWL:8dUuVTvy53I8wKquCxCMpoT
TLSH	T18754E78342E13C45EAA64B729F1E92FC770FF1518E4BB73561189F1B20B2176D1ABB12
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) (4505/5/1)
File icon (PE):
dhash icon	0008080806070400 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://5.42.66.36/1fa9cf51b66b1f7e.php

Intelligence

File Origin

# of uploads :

# of downloads :

320

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/463385/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Sending a custom TCP request

Gathering data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/657238703f60a810348b8e04/reports/7902f4ff-7844-448c-837e-c30d1e10298f/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34

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:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d8153297-73eb-4791-b59d-349536ebcf3f

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1355814

Signature

Antivirus / Scanner detection for submitted sample

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

Sample uses string decryption to hide its real strings

Self deletion via cmd or bat file

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

Tries to harvest and steal ftp login credentials

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

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2023-12-07 21:26:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 23 (78.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qwoofnwcjj5uukbjbefiseufj3gzcilxa5micet3d4lpblorji2a._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/231207-z96vzaha7v/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Deletes itself

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://5.42.66.36

Unpacked files

SH256 hash:

9549ab478dc25f270b31ebb49099d5abc2714916682b28308fcd5fb11a5fd5db

MD5 hash:

681cb638aa735e68fc15e22a2995efb4

SHA1 hash:

91445ce89f0958473a577c4e822f65390219b0e2

Detections:

stealc

win_stealc_a0

win_stealc_bytecodes_oct_2023

Link:

https://www.unpac.me/results/b253c638-1c15-4c15-b471-5340eeeb75a4/

Parent samples :
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SH256 hash:

859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34

MD5 hash:

b0044738a86a4efac77fdf9f92a2d675

SHA1 hash:

c7d988d3e0dec0a930fb9525be2adc80e3f5d1ff

Link:

https://www.unpac.me/results/b253c638-1c15-4c15-b471-5340eeeb75a4/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/859ce2b6c24a/report/overview.html

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/859ce2b6c24a7b4a2829090a8912854ecd912177075881127b1f16f0add14a34

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

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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

Rule name:	infostealer_win_stealc_standalone Create hunting rule
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	Windows_Trojan_Smokeloader_3687686f Create hunting rule
Author:	Elastic Security

Rule name:	win_stealc_w0 Create hunting rule
Author:	crep1x
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/