MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f. 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 1 YARA 3 File information Comments

SHA256 hash:	4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f
SHA3-384 hash:	770cbc87dce87491e7415174952a94c478191e19a9caa606260e64ece706d4cac49448309c1485afc0f50e4fc3ef5252
SHA1 hash:	d4f2a95a5e37a2af9a12367d2c2a1938e3ca7c55
MD5 hash:	73adcb1012b382b6194c34b5cf277c9e
humanhash:	bakerloo-washington-cola-paris
File name:	73adcb1012b382b6194c34b5cf277c9e.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	414'208 bytes
First seen:	2024-11-25 23:10:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	258a3f6d5fd0fc3779b49a7e0f197d6b (1 x Stealc)
ssdeep	3072:/XESEL1VgtAugYqW+VXi2UHrPan1IiJ9ETfFXSv4wR5gWY9UdaMRH4Lb9mQeIAzk:vGL1GtAoDrnrPS13ITfFux4Vmvq3UT
TLSH	T1EC94F101B682D476D7A644349438C6F02A7B38776BB0845B37A43FAF2D703E19BB6356
TrID	46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.5% (.EXE) Win64 Executable (generic) (10522/11/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	0206000412301000 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://92.255.57.88/7bbacc20a3bd2eb5.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://92.255.57.88/7bbacc20a3bd2eb5.php	https://threatfox.abuse.ch/ioc/1347220/

Intelligence

File Origin

# of uploads :

# of downloads :

392

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

621b2c50b6826eacc84dc510f890fe48.exe

Verdict:

Malicious activity

Analysis date:

2024-11-25 23:07:42 UTC

Tags:

stealer stealc loader

Link:

https://app.any.run/tasks/93541082-9506-4e02-aa39-7b659066e887

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

Verdict:

Clean

Score:

89.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67450407b31374f098346694

Tags:

malware

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

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:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm fingerprint microsoft_visual_cc

Link:

https://www.filescan.io/uploads/674504064895432a28c7efa5/reports/7094b202-461c-4159-9743-538cdd0e1d20/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f

Malware family:

Vidar

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4c8cbdd4-e009-420e-b088-4a01b60546d2

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1562757

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-11-25 23:11:04 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=jiodxwnnmbmtcwrew653ftm5mfsdovkv4qnhx7rmui2twvhuumxq._file

Verdict:

malicious

Label(s):

stealc

Similar samples:

error

Stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:551488411 discovery stealer

Link:

https://tria.ge/reports/241125-2586msyjcj/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Stealc family

Malware Config

C2 Extraction:

http://92.255.57.88

Verdict:

Malicious

Tags:

Win.Packer.pkr_ce1a-9980177-0

YARA:

n/a

Link:

https://app.threat.zone/submission/223c43c7-438a-46dc-9495-6b4c07ac66ee

Unpacked files

SH256 hash:

881ecbe0d58057c8e569a39e39ddb3fc3df786a236c1dcb45db982e01ce3c7d4

MD5 hash:

04d2a0c8f728d1c02e6481272fcf4381

SHA1 hash:

767de14ccb30eca36c2f18bc5134795d3ed057b1

Detections:

VidarStealer

Link:

https://www.unpac.me/results/40486bd1-6a98-4480-a2d0-4586f390d103/

SH256 hash:

4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f

MD5 hash:

73adcb1012b382b6194c34b5cf277c9e

SHA1 hash:

d4f2a95a5e37a2af9a12367d2c2a1938e3ca7c55

Link:

https://www.unpac.me/results/40486bd1-6a98-4480-a2d0-4586f390d103/

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/4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f

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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

File information

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

Web download

Stealc

exe 4a1c3bd9ad6059315a24b7bbb2cd9d6164375555e41a7bfe2ca2353b54f4a32f

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3224579/

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_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::FindNextVolumeMountPointA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleInputW KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesA KERNEL32.dll::GetTempFileNameW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW

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