MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e. 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 12 File information Comments

SHA256 hash:	102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e
SHA3-384 hash:	04179a3bde9d99fe70ee082b34c1be177bf4cb5f72218f47de75e31738ddcaa38eeb980d84bdf65195f86c93d34d94f4
SHA1 hash:	1c39a9e1248af0eb34812296cd5d3454dff22d6e
MD5 hash:	14e98fedaf97d4f912732b6a768a29b7
humanhash:	nebraska-oranges-vermont-nebraska
File name:	timeSync.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	301'056 bytes
First seen:	2024-02-04 07:21:08 UTC
Last seen:	2024-02-04 09:23:14 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	bf14849f4ab78a7abfe404cb860b648b (2 x Stealc)
ssdeep	6144:6WAxztUVn2x4R+ZI6ioekqfw8u0YUn61U42GcV1kDc:6VOVn2xIJoEfwTI61U42peY
TLSH	T18F548D1033E4D031E2B75635797CD3F14A7B7C62773396AE7E91262B2E342918A24B1B
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	3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter	JAMESWT_WT
Tags:	cre8ure exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

282

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/474476/

Detection(s):

SecuriteInfo.com.Trojan.Siggen25.33853.15579.6969.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

fingerprint packed stealc

Link:

https://www.filescan.io/uploads/65bf3b1ab012cce0edbb9074/reports/9552e7bb-2c16-4a9e-9fe9-96bf13c7ba13/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e

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/b197e4ae-a5d1-4821-8523-01ff183f4862

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1386293

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 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/102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2024-02-04 06:36:18 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=caxuhifrw7ai2al33whzifdbn4yllnecksoymebwfjpta7omhnxa._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240204-h68fyseffn/

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://185.172.128.24

Unpacked files

SH256 hash:

f942c2c1a543dd6f30cebae08ee27c28497d0611733b93cf488bf9f297c9f600

MD5 hash:

98c47ee9e8939fb792a35c554fea3fbb

SHA1 hash:

77a941c158a0270eaef2aaa7a847e61a0de5fe7c

Detections:

stealc

win_stealc_auto

win_stealc_a0

Link:

https://www.unpac.me/results/6cf8820a-8fe7-49ab-86ae-0f300b44f158/

Parent samples :

1b98ff3d14eb43fe194e8125eb8697285b73e85fb9464fbb738f704f3210b763
716cf3d14949e2892a8a215c7d97ab4534a35af1ea09321fe8c8bae07ceb3dcf
102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e

SH256 hash:

102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e

MD5 hash:

14e98fedaf97d4f912732b6a768a29b7

SHA1 hash:

1c39a9e1248af0eb34812296cd5d3454dff22d6e

Link:

https://www.unpac.me/results/6cf8820a-8fe7-49ab-86ae-0f300b44f158/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/102f43a0b1b7/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/102f43a0b1b7c08d017bdd8f9414616f30b5b482549d8610362a5f307dcc3b6e

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:	DebuggerCheck__QueryInfo 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_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.stealc.

Rule name:	win_stealc_bytecodes_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Bytecodes present in Stealc decoding routine

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/