MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1. 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: 16

Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash:	448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1
SHA3-384 hash:	a2fb7ed1bc721578f928b65235cd1aba642018e55633ea882fc621232b443f71f57b8523234a40486bb00682c9cdf9ba
SHA1 hash:	945d85a97330101903be6fc4a9631c9b8a64d295
MD5 hash:	b67f20e55f78271bd707d594fc55bff8
humanhash:	carolina-fillet-gee-hotel
File name:	448cba856613f4575d176e1ad44f6988fa55dd48a02c0.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	208'384 bytes
First seen:	2024-04-29 07:20:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	bf1070ba79872e55c98c6b1c44ebbf3c (16 x Stealc, 1 x Arechclient2, 1 x Rhadamanthys)
ssdeep	3072:gAm6Gf4J4cHFSpZCR5CAPuQcuN5tRhT1xdZYjcKERjz5WTyIKP:gAm63hHFSWuQcuDRhTfdzKERj4T
TLSH	T1B814BE11FAA0C472E59718B05535C2E14B2FBC32ABA5815F771C3BEE0F312E19A36366
TrID	67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.2% (.EXE) Win32 Executable (generic) (4504/4/1) 2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	64f29a9891a99991 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://185.172.128.151/7043a0c6a68d9c65.php

Intelligence

File Origin

# of uploads :

# of downloads :

327

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

27cfdbabb353002103f576abc799c5d005f7e53835af879cb91774d66423c903.exe

Verdict:

Malicious activity

Analysis date:

2024-04-29 07:17:57 UTC

Tags:

loader stealer stealc arechclient2 backdoor

Link:

https://app.any.run/tasks/fcdb84f5-a11e-479d-8c20-6dab89cb6b68

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Connecting to a non-recommended domain

Connection attempt

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Verdict:

No Threat

Threat level:

10/10

Confidence:

100%

Tags:

fingerprint

Link:

https://www.filescan.io/uploads/662f4a5ed2fc149e412703e3/reports/90c73d02-2119-4977-bc8c-5953930e7fdd/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1

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/54221d82-3421-4e78-8f54-61e189c375d8

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1433137

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 submitted file

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Self deletion via cmd or bat file

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/448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1/

Threat name:

Win32.Spyware.Stealc

Status:

Malicious

First seen:

2024-04-29 07:21:04 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=isglvblgcp2foxixnynnit3jrd5flxkiuawat3lkmc47zkwhzsyq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240429-h6m51sdf8s/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Deletes itself

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/cc70430a-f48a-434d-b3d5-3fc8e06adb9f/

Parent samples :

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

SH256 hash:

448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1

MD5 hash:

b67f20e55f78271bd707d594fc55bff8

SHA1 hash:

945d85a97330101903be6fc4a9631c9b8a64d295

Link:

https://www.unpac.me/results/cc70430a-f48a-434d-b3d5-3fc8e06adb9f/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/448cba856613/report/overview.html

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/448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1

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:	DebuggerException__SetConsoleCtrl 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 448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1

(this sample)

URLhaus

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

Delivery method

Distributed via web download

URLhaus

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

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
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetFirmwareEnvironmentVariableA KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::ScrollConsoleScreenBufferA KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetConsoleTitleW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA

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