MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b. 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 8 File information Comments

SHA256 hash:	d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b
SHA3-384 hash:	e57e11ca3c6e87b66b804ad12b82acd6568bc34adb4e28b8a8630ea94e6e185071999779d81102b836947d6612eb1ef8
SHA1 hash:	a45bde8daebd2804b772aed1576ec48c45ba58d5
MD5 hash:	4c7cfbe320729c6bb8a1ac1aa9ebf119
humanhash:	nuts-october-stream-oxygen
File name:	4c7cfbe320729c6bb8a1ac1aa9ebf119.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	277'504 bytes
First seen:	2023-08-26 08:31:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d486cf0d009e476ba5dbcd1e658bee6d (1 x RedLineStealer, 1 x MarsStealer, 1 x Stealc)
ssdeep	6144:rQNTVL+lpsJRgDpLdVmFhR+JMLXTiRgN:rQNTVKluJyDpL3OR+J4jiU
Threatray	18 similar samples on MalwareBazaar
TLSH	T12F44BE21FE92D4B1C88243309824C6F42A7EBC729A99457B77583F6F2D31381967637E
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 16.0% (.EXE) Win32 Executable (generic) (4505/5/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	080818480e070600 (1 x RedLineStealer, 1 x Stealc, 1 x Smoke Loader)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

269

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4c7cfbe320729c6bb8a1ac1aa9ebf119.exe

Verdict:

Malicious activity

Analysis date:

2023-08-26 08:38:49 UTC

Tags:

stealc stealer

Link:

https://app.any.run/tasks/f7f456bb-6640-473c-9c79-42523da07dbb

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

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

DNS request

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware packed xpack

Link:

https://www.filescan.io/uploads/64e9b88d5ec4a8623260f99a/reports/7149421d-610b-4101-84db-6c3f510d871f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b

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/a5d5c73b-6bbc-49ee-93c1-951511db9ab0

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1297752

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 submitted file

Sample uses string decryption to hide its real strings

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/d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2023-08-25 08:29:44 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3duc3vdawpuvhd6o6zhfnnjur6txpzoxhxa5mhms7ve6pz7hgbnq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc spyware stealer

Link:

https://tria.ge/reports/230826-kfahcaah4y/

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

Unpacked files

SH256 hash:

dc7f3a22dabb560428ed5f62eb881c3643f85bdad454befadba0c051904fce0f

MD5 hash:

d9c8df9237d3d825d8cd7cf225322037

SHA1 hash:

b3fd98f0d6d93898c1f870555944e78bff54e77e

Link:

https://www.unpac.me/results/02581652-ff85-4969-bc9c-8851c31819f1/

SH256 hash:

d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b

MD5 hash:

4c7cfbe320729c6bb8a1ac1aa9ebf119

SHA1 hash:

a45bde8daebd2804b772aed1576ec48c45ba58d5

Link:

https://www.unpac.me/results/02581652-ff85-4969-bc9c-8851c31819f1/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d8e82dd460b3/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/d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

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

Rule name:	DebuggerException__SetConsoleCtrl 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/

File information

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

Web download

Stealc

exe d8e82dd460b3e9538fcef64e56b5348fa777e5d73dc1d61d92fd49e7e7e7305b

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2705935/

Delivery method

Distributed via web download

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