MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459. 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: 15

Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash:	b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459
SHA3-384 hash:	b42c4a03e88e6a3193900a9728c32f3cbc8653e466824ec45b8163266a7d243f49ce1f281f74a7f1c1e2dde9dcc30558
SHA1 hash:	5a1939fa8d35d688de2922f7a4c11a0b64cc5f6e
MD5 hash:	a92b6ec9d0557ae58c550e263894111d
humanhash:	sodium-network-mobile-network
File name:	a92b6ec9d0557ae58c550e263894111d.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	323'584 bytes
First seen:	2024-03-20 13:30:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	42e57f8316b0a02982310425eaf5e02b (2 x Stealc)
ssdeep	3072:HScB9yS51gAuSw+8cKeEXn9argc8RNaYQ0AbUvDb+ZJ4WUAQE9VA6Qc2pn5:FBvaSwp96VYubkb+ZJ4WIE9VAaa
TLSH	T17A646A4375E1EC60E4A247315E2D9AEC373EFCA68D25AB5773483E0F28751A0D623B61
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	00012c46440c4442 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://185.172.128.209/3cd2b41cbde8fc9c.php

Intelligence

File Origin

# of uploads :

# of downloads :

379

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

39383c984ee0ed8da92aac647ce30be184090e9dd211427f8d9043074c4041cb.exe

Verdict:

Malicious activity

Analysis date:

2024-03-20 13:27:11 UTC

Tags:

stealer stealc loader

Link:

https://app.any.run/tasks/b0d282fb-f99d-4efa-a146-c32f61cffa38

Note:

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

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)

Searching for the window

Verdict:

No Threat

Threat level:

10/10

Confidence:

100%

Tags:

fingerprint

Link:

https://www.filescan.io/uploads/65fae51af074ad892e581fee/reports/58e597c1-251c-40f8-9b48-66d2d292e8a2/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459

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/b8574bd7-079f-44a5-8062-145fd4459998

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1412435

Signature

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 domain / URL

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

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

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/b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459/

Threat name:

Win32.Trojan.Convagent

Status:

Malicious

First seen:

2024-03-20 13:31:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wuilqqvg4fdzfgbaxade6ou4oyzsfxhe7nhtkjzpnubtdcy7ermq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery persistence spyware stealer

Link:

https://tria.ge/reports/240320-qsc2wsac9s/

Behaviour

Checks processor information in registry

Runs ping.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

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

Stealc

Unpacked files

SH256 hash:

28a7e49221f1cfb589fe18d1e37aec52371886f3299308c6c77a2eac4faba0de

MD5 hash:

b4a1f5af8cfeeb61b3597e5d0a3d4606

SHA1 hash:

2292b4322bc8c6778c5139b8d5375ec7f2ffe2f9

Detections:

stealc

win_stealc_auto

Link:

https://www.unpac.me/results/10c39e60-35e1-4aa5-9983-2a79064bd2a0/

Parent samples :

45ab730f19b743bca12db47745e8cd2254df1914432acb2b3b0a079c930afee3
3c063f39fdac3f9a509adc49ee3fe0c92341f8f6c47cc6ee8c0d847b3c6b3176
b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459
bec5e37cf9e9ffc78bb82451a60fcde0b7dde3ff43bb9c5a9ae8761692ace613
4efaa871ec4d5e866c3acc47bd3eac71731095e80e9d31e88049efe016bc8e99
584106ced19becb26b6d32204c9cb40cde8d4822f0a7f2fd485b6fe5c5a2904e
082cf2ffe760b415bd97ec41e2a0bac8ef97f454fa462a4a966d9434832477d6
75e985ad843283de707a360843a5ac65e0800b8dde13004c9eec247bc4ee4437
0fd560a3831779b94e294411f7a207ab607e7756af113bf0e91b744044a4eca7
e42ca928595758b2b4356885ea5114ac68cedec292b9fb390c960dcf153e5fa1
921a48baefdf77b7a3d5dc08835820f35900be8ecf201cd4b726761b8fed8478
410c63aa45ff899f0f1859c788ee2cf3b14007affd5da84e836f826a63373672
16f299becfc9cf9a3ec4d493044fa05ed1a4641146724576510b6473c22f18e7
81305657d48c913ffade0412d968f0babdb325b38146c69f4a03b34c11c01559
8f90b1f677f3e5a05b7150dad90bd7d9c4605e04e05397edcddb2e4eac7022b3
9b871c2fa65956cbe083551683e5ccbfb3729c0e61ecc779c9f42f6762e66334
0073a30288e51d3adc55fe86dc134e9ace7ea974211729deb1a43d39d1ae4a46
326a97291a3f81e3b1b9e96576add117922b946e04e119f22cdf08e2863f6d07
f6e1c8b48f6ee95f910acab7f35a697e01eaba10167ac7bac7bd04ea5adae74d
048729cf3d80b15d2f54dd6645f40f50fbc607c628935c993ec08e5396a2849a

SH256 hash:

b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459

MD5 hash:

a92b6ec9d0557ae58c550e263894111d

SHA1 hash:

5a1939fa8d35d688de2922f7a4c11a0b64cc5f6e

Link:

https://www.unpac.me/results/10c39e60-35e1-4aa5-9983-2a79064bd2a0/

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/b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459

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

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_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/

File information

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

Web download

Stealc

exe b510b842a6e147929820b8064f3a9c763322dce4fb4f35272f6d03318b1f2459

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2749139/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2775151/

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	USER32.dll::SetUserObjectSecurity
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindNextVolumeMountPointW KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::PeekConsoleInputA KERNEL32.dll::ReadConsoleW KERNEL32.dll::ReadConsoleOutputCharacterW KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceW
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpCheckPlatform

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