MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6. 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:	a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6
SHA3-384 hash:	e8876cf8022a019577053009490fb346896a8b745be10a8263a9266bedbc131c788587b9a78aa9cea396dd16df1e7ae9
SHA1 hash:	b60fd8e1fe5eeaa29f881e5aaeae614163fd0dca
MD5 hash:	7a1e01919dc3c37698ba5cf2c6d3eb78
humanhash:	fix-comet-skylark-magnesium
File name:	7a1e01919dc3c37698ba5cf2c6d3eb78.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	685'568 bytes
First seen:	2024-11-03 16:25:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	7277f7a548e8f2bda7006e1ea4bc6000 (2 x Stealc)
ssdeep	12288:suanFMTfKUkvZyA/alUdx9GhwSWLGovNWN48TPmY9oEwbUZRtEq4fnt:suU2fKUkByca2mWLGolWa8KY9oEwbUW/
TLSH	T1BAE40203E2D17C6DE6654A729D2DC6F8B63FB022CE59265B23A85F2F05721F2D263701
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	0404040104084000 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://95.215.207.66/7236dc035cc2a70a.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://95.215.207.66/7236dc035cc2a70a.php	https://threatfox.abuse.ch/ioc/1340743/

Intelligence

File Origin

# of uploads :

# of downloads :

457

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

7a1e01919dc3c37698ba5cf2c6d3eb78.exe

Verdict:

Malicious activity

Analysis date:

2024-11-03 16:28:20 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/7792a1b3-3808-4b4a-bb67-5cdbb542d60a

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:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6727a4208d23d90491332605

Tags:

azorult cobalt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending an HTTP GET request

Creating a file

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 packed packer_detected

Link:

https://www.filescan.io/uploads/6727a41b5d673a8849574ec6/reports/6a376918-16eb-40ab-919c-86ee808ee0ac/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6

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/9998b9fa-6c3e-47da-8a90-ab534682f138

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1548042

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 submitted file

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/a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2024-11-03 16:26:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uktguzkj27gra2aufyetbt6xlc6o7ms4vlb4nwbzvfouiny767la._file

Verdict:

malicious

Label(s):

stealc

Similar samples:

error

Stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:logsdiller discovery stealer

Link:

https://tria.ge/reports/241103-txh1gsxpdv/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Stealc family

Malware Config

C2 Extraction:

http://95.215.207.66

Verdict:

Malicious

Tags:

stealc

YARA:

n/a

Link:

https://app.threat.zone/submission/9478c339-1c3b-4ea5-94da-4037e1956850

Unpacked files

SH256 hash:

81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

MD5 hash:

eda18948a989176f4eebb175ce806255

SHA1 hash:

ff22a3d5f5fb705137f233c36622c79eab995897

Link:

https://www.unpac.me/results/cae3cbe0-0a18-43f7-b7b9-eaa32305898d/

SH256 hash:

7e128d3ddeea19bf76c169357c2d66a73ee8168e851ed5db65c85f3107877f39

MD5 hash:

c62a79eb9fc3e68aaf2b769806d51392

SHA1 hash:

469d52b9a2f21a65c29900540d98734fae0fd151

Detections:

stealc

detect_Mars_Stealer

Link:

https://www.unpac.me/results/cae3cbe0-0a18-43f7-b7b9-eaa32305898d/

Parent samples :

359a61c84208516ab566e6f413ce19932c80b5ed07753d541c44ba54af3a24fe
a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6
9fad992814d2ba9ab30e914887afa85860599fc1fd0f46268c6ff7dfb9b7ed7e
3805f2b6eb73752f99910178fe7e1492126b9be62476255c4dd2fda68b2f8d11
e3ee5e8df55aaa874cb1cf285b1e7db4951d92e38d2afda75daf7b8fd46643a0

SH256 hash:

a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6

MD5 hash:

7a1e01919dc3c37698ba5cf2c6d3eb78

SHA1 hash:

b60fd8e1fe5eeaa29f881e5aaeae614163fd0dca

Link:

https://www.unpac.me/results/cae3cbe0-0a18-43f7-b7b9-eaa32305898d/

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/a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6

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 a2a66a6549d7cd1068142e0930cfd758bcefb25caac3c6d839a95d44371ff7d6

(this sample)

URLhaus

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

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3272322/

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::CreateProcessA KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleInputA KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesW KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesA KERNEL32.dll::GetTempFileNameA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW

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