MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c. 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: 13

Intelligence 13 IOCs 1 YARA 14 File information Comments

SHA256 hash:	9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c
SHA3-384 hash:	e107e94b663398867fee8d8dbfc16567704cfc90e8493d82930445d46f866f35b15bac4d83c96cdae6d610ee4d9b32dd
SHA1 hash:	89f6b879f8a3ae861911360b6bf3f0b36e2afee0
MD5 hash:	2f3bf4025c648d35847eef0f94a740f8
humanhash:	network-massachusetts-juliet-white
File name:	2f3bf4025c648d35847eef0f94a740f8.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	1'556'480 bytes
First seen:	2024-06-27 20:05:42 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	c1cdaf8ba85a902eac0dd66ea5c9c273 (11 x Stealc)
ssdeep	24576:IXc46Crf8fAqacHps+/qASfmBgXk/xrADOv1xvF87hso8bTTXo:IXl8IqHHO+SASagXkJr4MDkhs9g
TLSH	T10575D062F3E2D632D1313B799C1666649C36BD44297438452AED1F4CCE3DB932F2E292
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 Stealc

abuse_ch

Stealc C2:
http://68.183.108.129/6259fdc16222e061.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
http://68.183.108.129/6259fdc16222e061.php	https://threatfox.abuse.ch/ioc/1289585/

Intelligence

File Origin

# of uploads :

# of downloads :

131

Origin country :

Vendor Threat Intelligence

Detection(s):

PUA.Win.Packer.BorlandDelphi-15

SecuriteInfo.com.Win32.PWSX-gen.12703.9401.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=667dc676c6541e8c57001e32win10vpnfull_triage

Tags:

Network Static Stealth Stealc

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Connection attempt to an infection source

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

borland_delphi fingerprint keylogger packed stealc

Link:

https://www.filescan.io/uploads/667dc62d6b8dba248b46664d/reports/97323ff3-0498-44df-b08b-6782c469e4ca/overview

Verdict:

Malicious

Labled as:

Jaik.Generic

Link:

https://www.hybrid-analysis.com/sample/9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c

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/b263c517-9332-4a23-8c2a-40c336982ce3

Result

Threat name:

CryptOne, Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1463877

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

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

Snort IDS alert for network traffic

Writes to foreign memory regions

Yara detected CryptOne packer

Yara detected Mars stealer

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-06-27 15:51:56 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 38 (47.37%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=seb3vw7iozj2oif5tetguyaavyxg2ggj2ki6yunh5m4w7qqmfqga._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default discovery stealer

Link:

https://tria.ge/reports/240627-yvdp7szhnj/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Checks installed software on the system

Executes dropped EXE

Loads dropped DLL

Stealc

Malware Config

C2 Extraction:

http://68.183.108.129

Unpacked files

SH256 hash:

bd657884ab3e8134305b6750e8562f221ada77623c3dc8af6b07c41a9ecd6a96

MD5 hash:

2b21d724b423cfd40a53a4d150cc87b7

SHA1 hash:

11e3c7bcfa952e781ef34928298961be986beb2e

Detections:

stealc

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/a0876444-9818-4586-b01c-28f55fa32323/

SH256 hash:

9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c

MD5 hash:

2f3bf4025c648d35847eef0f94a740f8

SHA1 hash:

89f6b879f8a3ae861911360b6bf3f0b36e2afee0

Link:

https://www.unpac.me/results/a0876444-9818-4586-b01c-28f55fa32323/

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

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_OutputDebugStringA_iat Create hunting rule

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:	detect_Mars_Stealer Create hunting rule
Author:	@malgamy12
Description:	detect_Mars_Stealer

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of MFA browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Rule name:	Windows_Trojan_Stealc_b8ab9ab5 Create hunting rule
Author:	Elastic Security

Rule name:	yara_template Create hunting rule

File information

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

Web download

Stealc

exe 9103badbe87653a720bd99266a6000ae2e6d18c9d291ec51a7eb396fc20c2c0c

(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
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 version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA
WIN_SVC_API	Can Manipulate Windows Services	advapi32.dll::CreateServiceA advapi32.dll::OpenSCManagerA advapi32.dll::OpenServiceA advapi32.dll::RegisterServiceCtrlHandlerA advapi32.dll::StartServiceCtrlDispatcherA
WIN_USER_API	Performs GUI Actions	user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::EmptyClipboard user32.dll::FindWindowA user32.dll::OpenClipboard user32.dll::PeekMessageA

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