MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4. 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 9 File information Comments

SHA256 hash:	c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4
SHA3-384 hash:	565111fdcf6dfc33f8eccf356054a55dfae6ce165ce3164727ba36a2ac56e0c2eea3cbec9c42ba558ae7e24dcd63260b
SHA1 hash:	836d12cbd4d8340922886c46a1325ee558e904b1
MD5 hash:	70241b767ead356ff54eecae6a86202c
humanhash:	juliet-quebec-four-alanine
File name:	70241b767ead356ff54eecae6a86202c.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	231'424 bytes
First seen:	2024-02-21 07:56:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	8f1805f3ae545b0e731cb9cff13122c8 (6 x Stealc, 1 x DCRat, 1 x Socks5Systemz)
ssdeep	3072:s/+i8T+A4XtcDsn3t0Ueinnn3wluL6GN+1qkUgeC5gPi2I+:YZXtcDk0Ue2nn3wm6swq3Ky
TLSH	T12534CF3176E1C072DBAB47316AA1DAA42E7EBCF257E4815F37581B7E1E707808712362
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) (4504/4/1)
File icon (PE):
dhash icon	c0c89084d4c88c84 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://185.172.128.145/3cd2b41cbde8fc9c.php

Intelligence

File Origin

# of uploads :

# of downloads :

363

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1936d057c09f17db16fe499af609d5935d0b17e62f4199999543f0459cb43b05.exe

Verdict:

Malicious activity

Analysis date:

2024-02-21 08:03:01 UTC

Tags:

loader stealer stealc

Link:

https://app.any.run/tasks/7c4cf06a-d431-4b19-9f1a-8adfa420ccdf

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/477230/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connecting to a non-recommended domain

Connection attempt

Launching the default Windows debugger (dwwin.exe)

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint packed

Link:

https://www.filescan.io/uploads/65d5acd133761b2a22649fa2/reports/1f505f08-ccc2-48d5-b1f1-5bdaf1324728/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4

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/bf0dc88b-a915-410d-8772-b5ee67936eeb

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1395938

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 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

Searches for specific processes (likely to inject)

Snort IDS alert for network traffic

Tries to harvest and steal Bitcoin Wallet information

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

Tries to harvest and steal ftp login credentials

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

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-02-21 07:57:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=y2ygnzcbuj2a7b6puhrkrwtjuxohqfcbccenh5u4jwp6tuv7ftsa._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240221-js9mjadf32/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

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://185.172.128.145

Unpacked files

SH256 hash:

63e3e1a6dd318e363b09498519d3ff29701b7b7833d9d9fc3c0b8ecdd3c6866f

MD5 hash:

ce77f0c43f51bc5313a0a87091d519ee

SHA1 hash:

0f4715c466cb611a3a879e67eebef3fd3f29a229

Link:

https://www.unpac.me/results/8a279637-015f-4ad1-9039-f2fc2d2d85ad/

SH256 hash:

c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4

MD5 hash:

70241b767ead356ff54eecae6a86202c

SHA1 hash:

836d12cbd4d8340922886c46a1325ee558e904b1

Link:

https://www.unpac.me/results/8a279637-015f-4ad1-9039-f2fc2d2d85ad/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c6b066e441a2/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/c6b066e441a2740f87cfa1e2a8da69a5dc7814411088d3f69c4d9fe9d2bf2ce4

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:	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:	malware_Stealc_str Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	Stealc infostealer

Rule name:	Stealc Create hunting rule
Author:	kevoreilly
Description:	Stealc Payload

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/