MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49. 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 YARA 1 File information Comments

SHA256 hash:	373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49
SHA3-384 hash:	adeaec747bef1f08bfe32a314d6e3e6dff61fe3c07f46aa258ddad462cb38d27147fe07635c40ff3903586ff5a135d38
SHA1 hash:	e90ea1b4e24c3c103ab2c0bdb3b94a275063ff97
MD5 hash:	f966788cb4538f795f89d491be57d76e
humanhash:	triple-april-mirror-low
File name:	f966788cb4538f795f89d491be57d76e.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	222'720 bytes
First seen:	2024-05-10 07:45:49 UTC
Last seen:	2024-05-10 08:35:56 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	eb1649baa83dbc66737b8a7de83dd782 (3 x Stealc)
ssdeep	3072:lQqZ/3etruattITgDXzrssPx3K3Ls7GJsC/11N5kr290z+:GC/3eYcITCXPJPKLs7G511P0z
TLSH	T15E24E0207691D0F2F89784306931C7F45BFAB87247A9894BB3442B7F1A713D0666E3A7
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	64d29a9899a98989 (2 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

289

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49.exe

Verdict:

Malicious activity

Analysis date:

2024-05-10 07:58:52 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/b510955b-22f9-47f3-9001-8601b1add176

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.DownLoader46.62714.4655.24285.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

Malware family:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/374570ba-fd1f-4560-97dd-33c8860a9168

Result

Threat name:

Mars Stealer, PrivateLoader, Stealc, Vid

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1439383

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)

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

Tries to steal Mail credentials (via file / registry access)

Yara detected Mars stealer

Yara detected PrivateLoader

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49/

Threat name:

Win32.Spyware.Stealc

Status:

Malicious

First seen:

2024-05-09 16:06:14 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g475ysysdhel2a4gecm7l554qxcg255xe7xhsvj7z6ly7pfpzreq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240510-jlz5hsed93/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

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://185.172.128.151

Unpacked files

SH256 hash:

34191242a36acb1932dde13416a12b5206a1688bbf48ee00b4a735fbec31e49c

MD5 hash:

dddbeb717a8347ba8a4f3cc1b7f0a823

SHA1 hash:

7e546bc5c38d5434d637ee367ed7e06b04e12e9a

Detections:

stealc

win_stealc_auto

Link:

https://www.unpac.me/results/8fcc7c3c-d471-40fa-83c0-5ba26dea79b3/

Parent samples :

828735c9709ac08d9cf082a41c8516596ebe117e5f49ddb7083fe8f73c78c9f9
2ad46d1e3c84a67063d7b773b774640c4f52ce27607a7559174177f2dcbdca3c
b708baa9b529adc2da4c9dfeef1a7c62d1a9cc231cb82561334de8c0a99cbbdb
34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35
ebd2762a31add17ea93d027db70242ed934bf2e7451b3a6bbe472a69d789197d
448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1
05ce414e1e8ed6bb69f76017e7daecf72375b71bdf5e2f8b8ec294c5887aa8b7
1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
d75944f20168d0585058bd5b7035c79c4728cda469bf1edee6f62bfd2847ea67
31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
5582b042cd5654b5fe130a0ecb5c1e6a4acafc2699e43623625d0ec1393e7439
fba5ceee28251849d9109dc3d0a84207f71983d378786b1c0f0f4b5d38371e33
806e53a683ec3126336abe61b387f8f9f94d7bae0b0f2389751764f8b4ab18ec
c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9
373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

SH256 hash:

373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

MD5 hash:

f966788cb4538f795f89d491be57d76e

SHA1 hash:

e90ea1b4e24c3c103ab2c0bdb3b94a275063ff97

Link:

https://www.unpac.me/results/8fcc7c3c-d471-40fa-83c0-5ba26dea79b3/

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/373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

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

File information

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

Web download

Stealc

exe 373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2754939/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2810818/

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_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
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleScreenBufferSize KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA

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