MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9. 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

Vidar

Vendor detections: 17

Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash:	8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9
SHA3-384 hash:	e59450881f54e1197bd35e065a05e31012839b800fac9629b121a43a45b44f53b815d17d78e3dacc09ff27d17234610d
SHA1 hash:	b3bbe9ec2991bbc6213d1bf66221f5394e48d3ca
MD5 hash:	83191f9561b65c2ebb2c95827de22c10
humanhash:	spring-pasta-happy-nuts
File name:	83191f9561b65c2ebb2c95827de22c10.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	1'717'248 bytes
First seen:	2024-07-02 05:51:23 UTC
Last seen:	2024-07-02 06:24:30 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	bfca9d5b6fa4c919d2a5d427d044aa81 (1 x Vidar)
ssdeep	24576:T16dvdD4B0+lFiU2MZQti1u8LnsDJY6WpEYGYPORL4UjqmiIS5BxxK:T1Km2OZ21tuuIeNHYGY0LzjsJxK
TLSH	T16485E02272B1B4B3DD36EE398FEB47689529794329249D0663E01F084F35640FBD52AF
TrID	68.7% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58) 27.1% (.EXE) Win32 Executable Borland Delphi 6 (262638/61) 1.4% (.EXE) Win32 Executable Delphi generic (14182/79/4) 1.3% (.SCR) Windows screen saver (13097/50/3) 0.4% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter	abuse_ch
Tags:	exe vidar

Intelligence

File Origin

# of uploads :

# of downloads :

302

Origin country :

Vendor Threat Intelligence

Malware family:

vidar

ID:

File name:

8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9.exe

Verdict:

Malicious activity

Analysis date:

2024-07-02 07:12:25 UTC

Tags:

telegram stealer vidar

Link:

https://app.any.run/tasks/57f07a36-1e8b-4918-858c-29976a0293eb

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PWS.Steam.37387.12035.9196.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=668395c5be8570b8fa890ee5win10vpnfull_triage

Tags:

Network Static Stealth

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

Using the Windows Management Instrumentation requests

Sending an HTTP POST request

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 lolbin packed remote

Link:

https://www.filescan.io/uploads/668395856b8dba248b483637/reports/fdb7a6d6-3821-4e16-9d2a-fb42e0667d43/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9

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/d26f6ca1-b127-405a-a889-7491e6e81d5e

Result

Threat name:

CryptOne, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1465867

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus detection for URL or domain

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

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Injects a PE file into a foreign processes

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Sample uses process hollowing technique

Sample uses string decryption to hide its real strings

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

Writes to foreign memory regions

Yara detected CryptOne packer

Yara detected Powershell download and execute

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9/

Threat name:

Win32.Trojan.Stealc

Status:

Malicious

First seen:

2024-07-02 05:52:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=r3h2wf5w5tc3br6knvitomcc3gx5v4imtybuicbi7fan42bcptmq._file

Verdict:

malicious

Result

Malware family:

vidar

Score:

10/10

Tags:

family:stealc family:vidar discovery spyware stealer

Link:

https://tria.ge/reports/240702-gkq44ssgjl/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Detect Vidar Stealer

Stealc

Vidar

Malware Config

C2 Extraction:

https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/fc1b4dcb-68ff-4a24-a4e1-1172ef84bdc0

Unpacked files

SH256 hash:

0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d

MD5 hash:

2890a00ef6943ed98e2b7c6e3e49ae1c

SHA1 hash:

9072a751e68fe39222aebc87ffb898a423310ce9

Link:

https://www.unpac.me/results/bae7fed6-d33a-46dc-9802-2a8756161b6a/

SH256 hash:

f455fa002e83c5c16bafad54b718b8963dc1d3817531f7bcb1352d611559f0b7

MD5 hash:

b708a8bd21a4782ed9fa5a1c513685cb

SHA1 hash:

a282a7899bb4c58868c4f4605b1938c1330b10ec

Detections:

stealc

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Link:

https://www.unpac.me/results/bae7fed6-d33a-46dc-9802-2a8756161b6a/

SH256 hash:

8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9

MD5 hash:

83191f9561b65c2ebb2c95827de22c10

SHA1 hash:

b3bbe9ec2991bbc6213d1bf66221f5394e48d3ca

Link:

https://www.unpac.me/results/bae7fed6-d33a-46dc-9802-2a8756161b6a/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.16

Link:

https://yomi.yoroi.company/submissions/8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9

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

File information

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

Web download

Vidar

exe 8ecfab17b6ecc5b0c7ca6d51373042d9afdaf10c9e03440828f940de68227cd9

(this sample)

URLhaus

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

Delivery method

Distributed via web download

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 ole32.dll::CreateStreamOnHGlobal
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::FindFirstFileA kernel32.dll::GetTempPathA 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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