MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634. 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: 18

Intelligence 18 IOCs YARA 12 File information Comments

SHA256 hash:	4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634
SHA3-384 hash:	72bc407428ca1f4f3b29f9d25db82a3cd91fcda271a90b34d9acbdec2a45bbcd17752867c3b3ff8b57d90ab33451c387
SHA1 hash:	be38cc353d9db1540a7ae307bc374ad40fd44818
MD5 hash:	c1a0a7a58456367868cdc46633b5a09e
humanhash:	arkansas-leopard-eleven-texas
File name:	c1a0a7a58456367868cdc46633b5a09e.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	2'478'080 bytes
First seen:	2024-05-31 13:09:16 UTC
Last seen:	2024-05-31 13:21:17 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2dc2d7809a7c300f824be1f3c9361f4e (4 x Stealc)
ssdeep	49152:wQc81KnB/a/hNT/dlYa8aesY3Ot4N7G/:wDta/hNT/dln0etD/
TLSH	T181B5AD36B1908777F0731D3C8CBE639949267F201E68B84A7AF55E3C0A3B6512F29257
TrID	65.7% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58) 25.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61) 5.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 1.4% (.EXE) Win32 Executable Delphi generic (14182/79/4) 0.4% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	3c64ccfcecf8e8ec (17 x Stealc, 3 x Vidar, 1 x ArkeiStealer)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

Vendor Threat Intelligence

Malware family:

vidar

ID:

File name:

4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634.exe

Verdict:

Malicious activity

Analysis date:

2024-05-31 13:15:17 UTC

Tags:

telegram stealer vidar stealc

Link:

https://app.any.run/tasks/f9596680-cabd-4a0f-a409-fa27dd54e28e

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.27356.9417.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=665a198a20ad30d28767913dwin7simulatehigh_evasion

Tags:

Static Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Searching for synchronization primitives

Creating a file in the %temp% directory

Creating a process from a recently created file

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Running batch commands

Creating a process with a hidden window

Launching a process

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

borland_delphi fingerprint keylogger

Link:

https://www.filescan.io/uploads/6659cc2f9c0b71aaf52b8012/reports/ad2af4b4-8b7b-4725-af30-3f53e827e484/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634

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:

Vidar

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e3b441b4-ca3d-423c-a697-8cc2b83e5671

Result

Threat name:

CryptOne, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1450461

Signature

AI detected suspicious sample

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Detected unpacking (creates a PE file in dynamic memory)

Found malware configuration

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Sample uses process hollowing technique

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

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

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected CryptOne packer

Yara detected Powershell download and execute

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634/

Threat name:

Win32.Trojan.Vidar

Status:

Malicious

First seen:

2024-05-31 13:10:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j47k3wqg3lrtbdtdf7kmzxihpdecxugoxlbnwy3u24sa3h4koy2a._file

Verdict:

malicious

Result

Malware family:

vidar

Score:

10/10

Tags:

family:stealc family:vidar discovery spyware stealer

Link:

https://tria.ge/reports/240531-qectzahg7s/

Behaviour

Checks processor information in registry

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Checks installed software on the system

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Detect Vidar Stealer

Stealc

Vidar

Malware Config

C2 Extraction:

https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/5dd40607-aef3-4993-8fc8-5e7903a87d6a

Unpacked files

SH256 hash:

6d9fd6aafc0ff697275426cceb429b25e6116955f5d5f5585494ab4a4813a6d3

MD5 hash:

bfd639f46e6e76761a3a42e6910ee0aa

SHA1 hash:

a3a6ae9de6f9f0889dc406cce443762cce52fa59

Detections:

win_stealc_a0

Link:

https://www.unpac.me/results/f0835b30-50ad-49f6-a90a-da1e94c29c9a/

SH256 hash:

4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634

MD5 hash:

c1a0a7a58456367868cdc46633b5a09e

SHA1 hash:

be38cc353d9db1540a7ae307bc374ad40fd44818

Link:

https://www.unpac.me/results/f0835b30-50ad-49f6-a90a-da1e94c29c9a/

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/4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

Rule name:	Borland Create hunting rule
Author:	malware-lu

Rule name:	Check_Dlls Create hunting rule

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

Rule name:	EXE_Vidar_May_2024 Create hunting rule
Author:	NDA0E
Description:	Detects Vidar payload

Rule name:	has_telegram_urls Create hunting rule
Author:	Aaron DeVera<aaron@backchannel.re>
Description:	Detects Telegram URLs

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing potential Windows Defender anti-emulation checks

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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

Rule name:	Windows_Generic_Threat_c374cd85 Create hunting rule
Author:	Elastic Security

File information

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

Web download

Stealc

exe 4f3eadda06dae3308e632fd4ccdd0778c82bd0cebac2db6374d7240d9f8a7634

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2854733/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2854750/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryExA kernel32.dll::LoadLibraryA kernel32.dll::GetSystemInfo kernel32.dll::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateFileA kernel32.dll::DeleteFileA kernel32.dll::FindFirstFileA version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA
WIN_USER_API	Performs GUI Actions	user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::FindWindowA user32.dll::PeekMessageA user32.dll::CreateWindowExA

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