MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4. 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: 17

Intelligence 17 IOCs 1 YARA 2 File information Comments

SHA256 hash:	a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4
SHA3-384 hash:	3ac8ccba38a2c705fb5e8a44c7c270d178e5e57f208b02508634d3716d9657424008794b11e076573c18896d6e05a7c6
SHA1 hash:	6469d57231eb3b56663a6a18ebe07f2858dbb1d0
MD5 hash:	81b6a4310ff732942108caf7e6fc9eb7
humanhash:	california-hamper-one-johnny
File name:	81b6a4310ff732942108caf7e6fc9eb7.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	375'808 bytes
First seen:	2024-10-20 10:50:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	75f9fffd32a279be2c5f550d3fb72d16 (3 x Stealc, 2 x Smoke Loader)
ssdeep	6144:Jb8LeLKuauocEBKngYO2ufls5vEEdzkvctT7yoqG:JIWKuEKgYeflMvldRyd
Threatray	1'664 similar samples on MalwareBazaar
TLSH	T16D84F0217680C172D6E674305827EAADA9BFBC31C964C68737542B6E3D303D1ABB6317
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
File icon (PE):
dhash icon	9082caac968ea680 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://45.88.76.205/30f6901d21ae0dd7.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://45.88.76.205/30f6901d21ae0dd7.php	https://threatfox.abuse.ch/ioc/1338225/

Intelligence

File Origin

# of uploads :

# of downloads :

474

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

81b6a4310ff732942108caf7e6fc9eb7.exe

Verdict:

Malicious activity

Analysis date:

2024-10-20 10:52:50 UTC

Tags:

stealc stealer

Link:

https://app.any.run/tasks/f7051236-6bff-4d7a-9335-de3ffda98b49

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:

Malicious

Score:

98.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6714e09d5a02f8393c729867

Tags:

Azorult Cobalt

Result

Verdict:

Malware

Maliciousness:

Behaviour

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)

Searching for the window

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/6714e097c7aed0374dabfa4f/reports/a7219fe6-ae1f-4631-8fcc-caf8d7c5d77a/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4

Result

Verdict:

SUSPICIOUS

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/9ac52fd5-1ad6-4177-8b98-a913f142ced5

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1538110

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 evasive API chain (may stop execution after checking locale)

Found malware configuration

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

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/a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4/

Threat name:

Win32.Trojan.CrypterX

Status:

Malicious

First seen:

2024-10-20 10:51:11 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uolcl6yblt2v3ilrgxufvlnibi356jfv3svygkl5qihak67j7h2a._file

Verdict:

malicious

Label(s):

stealc

Stealc

3f89107ad43fda0fa004b477f2ecbcd3ad934542cb8bdbf352530c9973273fa2

Stealc

6335880a1ae346b39c84890dba86ca147b219c67bf0b54ecabafbe268bd96522

Stealc

a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4

Stealc

error

Stealc

+ 1'654 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:logsdiller discovery stealer

Link:

https://tria.ge/reports/241020-mxtcwstgqf/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Malware Config

C2 Extraction:

http://45.88.76.205

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/62bc8440-8428-4d30-90c3-3d5ebafe76b1

Unpacked files

SH256 hash:

acb39042a9845bea7e3cc12b8720c7a8949d858a0744864bd9a9408d635799f0

MD5 hash:

8cd0bc735cef7d2ed8b04c6e4c1d740a

SHA1 hash:

72f985ae06484db0ff9f03b36b5692a98d527484

Detections:

stealc

detect_Mars_Stealer

Link:

https://www.unpac.me/results/30a14746-e11d-4665-8f73-ccea46c14e83/

Parent samples :
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SH256 hash:

29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43

MD5 hash:

2ec23e83e2f63ab27c25741b1f4d7f49

SHA1 hash:

bb231b274bd66393fa830a44e6d4447d4399eeb9

Link:

https://www.unpac.me/results/30a14746-e11d-4665-8f73-ccea46c14e83/

SH256 hash:

a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4

MD5 hash:

81b6a4310ff732942108caf7e6fc9eb7

SHA1 hash:

6469d57231eb3b56663a6a18ebe07f2858dbb1d0

Link:

https://www.unpac.me/results/30a14746-e11d-4665-8f73-ccea46c14e83/

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/a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4

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 a39625fb015cf55da17135e85aada80a37df24b5dcab83297d820e057be9f9f4

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3243294/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3243375/

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::CreateProcessW KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetDiskFreeSpaceExA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesA KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW KERNEL32.dll::GetTempFileNameA KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW

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