MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 459c657cb3ebf8b8ac1233ab4544f8b497b68cb1ee7a471a6a111367cbf5de6f. 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: 14

Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash:	459c657cb3ebf8b8ac1233ab4544f8b497b68cb1ee7a471a6a111367cbf5de6f
SHA3-384 hash:	0d9a8d473342e7fffb650f204c89ca4f9647dd4e6666b80c4b5f544367f1b600f6b46e2d6e80bc5980ee6146958eef7d
SHA1 hash:	b530dce5a4c0983e90f5293203592c192e30ca0c
MD5 hash:	124ccd152e58fc7d308bc99cca9d3b07
humanhash:	table-johnny-stream-magnesium
File name:	124ccd152e58fc7d308bc99cca9d3b07.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	303'616 bytes
First seen:	2023-08-02 09:08:38 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	fc216a175a8e46e9a4a49f4ecfbdcb0f (1 x Stealc)
ssdeep	3072:gdb3MfJcaEtfuZu7S/L4xQGCtSU85mSblDlFO1PVf2srQKgqGEg+gpCDlCSwSs:glhaAuZu7mL4x1fBDluh2sryZvp01s
Threatray	29 similar samples on MalwareBazaar
TLSH	T117549D127591E832E5660937AD2AC2F4252EB8B18F195AD733847F6F28312E3D776343
TrID	60.4% (.EXE) InstallShield setup (43053/19/16) 14.7% (.EXE) Win64 Executable (generic) (10523/12/4) 7.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.8% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	000681818b223b88 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

264

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

124ccd152e58fc7d308bc99cca9d3b07.exe

Verdict:

Malicious activity

Analysis date:

2023-08-02 09:18:10 UTC

Tags:

installer stealc stealer

Link:

https://app.any.run/tasks/3d79aa46-cf0a-4a95-823e-80d8950b57f0

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/439814/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware packed xpack

Link:

https://www.filescan.io/uploads/64ca1d3558785b2ae2186bf1/reports/a4bb435d-1faa-41f1-9a06-56751096b7c9/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/459c657cb3ebf8b8ac1233ab4544f8b497b68cb1ee7a471a6a111367cbf5de6f

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/91c909c9-4d79-4aeb-9ba3-850559cfb16c

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1284290

Signature

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 domain / URL

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Self deletion via cmd or bat file

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/459c657cb3ebf8b8ac1233ab4544f8b497b68cb1ee7a471a6a111367cbf5de6f/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2023-08-02 05:36:24 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iwogk7ft5p4lrlasgovukrhywsl3ndfr5z5eogtkcejwps7v3zxq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc spyware stealer

Link:

https://tria.ge/reports/230802-k4gassdh25/

Behaviour

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

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://adriaenclaeys.top/e9c345fc99a4e67e.php

Unpacked files

SH256 hash:

a67ebefdcae4ba5d76bce770a4920256e84195bef3a4702d967be7e5b8181c12

MD5 hash:

7055fcde2b7f39ef7f8007b3bfc1a0bf

SHA1 hash:

676adecade4e2b6c3275ca39ac65059c1863509f

Link:

https://www.unpac.me/results/74024711-8c1d-448e-b819-c25d20454448/

SH256 hash:

459c657cb3ebf8b8ac1233ab4544f8b497b68cb1ee7a471a6a111367cbf5de6f

MD5 hash:

124ccd152e58fc7d308bc99cca9d3b07

SHA1 hash:

b530dce5a4c0983e90f5293203592c192e30ca0c

Link:

https://www.unpac.me/results/74024711-8c1d-448e-b819-c25d20454448/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/459c657cb3eb/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/459c657cb3ebf8b8ac1233ab4544f8b497b68cb1ee7a471a6a111367cbf5de6f

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:	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:	sus_pe_free_without_allocation Create hunting rule
Author:	Maxime THIEBAUT (@0xThiebaut)
Description:	Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution

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/