MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c. 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

CMSBrute

Vendor detections: 15

Intelligence 15 IOCs YARA 16 File information Comments 1

SHA256 hash:	534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c
SHA3-384 hash:	a54623ff61f707342eb8791db8adc29861297cebac9def690635cb3b045335306b30ab9cf30b4a887305c3f05eb64076
SHA1 hash:	ecc70471eec1491257d0b954e92484a666b15a81
MD5 hash:	72929dc9cd7ff04c903459f70d0756a6
humanhash:	sierra-orange-shade-red
File name:	72929dc9cd7ff04c903459f70d0756a6
Download:	download sample
Signature	CMSBrute Create hunting rule
File size:	1'950'720 bytes
First seen:	2024-05-20 08:07:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	37b83adc183001c9e38660b73f251c40 (3 x LummaStealer, 2 x CMSBrute, 1 x Stop)
ssdeep	49152:QGJTeLOqwizFY/f1QRv41eaTNGC0Y8ZxMjI6IeLH3q:T1wOqwMY/Kv41VfBJj
Threatray	2'334 similar samples on MalwareBazaar
TLSH	T1BD9523113AD0C165F6A3423325A9A4A1CA36FDB2FE35C95F3788270D3A355E2531BBB1
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 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)
File icon (PE):
dhash icon	00004c140292c080 (1 x CMSBrute)
Reporter	zbetcheckin
Tags:	32 CMSBrute exe

Intelligence

File Origin

# of uploads :

# of downloads :

332

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c.exe

Verdict:

Malicious activity

Analysis date:

2024-05-20 08:10:17 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/431711d3-4811-4e52-aeba-6abdf76806cf

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:

96.5%

Tags:

Network Stealth Malwarecrypter

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Enabling the 'hidden' option for recently created files

Connection attempt

Creating a file in the %temp% subdirectories

Moving a file to the %temp% subdirectory

Sending a custom TCP request

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/664b04e9d5c40bffee634e3a/reports/0750b698-1fb7-49c6-abc4-7c75273a47f4/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c

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:

SmokeLoader

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9ade0f4c-c918-49ba-8709-01c907518abd

Result

Threat name:

n/a

Detection:

malicious

Classification:

spre.troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1444178

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Connects to many ports of the same IP (likely port scanning)

Contains functionality to inject code into remote processes

Drops PE files with benign system names

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Probes for web service weaknesses (weak passwords or vulnerabilities)

Queries Google from non browser process on port 80

Sigma detected: Files With System Process Name In Unsuspected Locations

Sigma detected: Suspicious Outbound Kerberos Connection

Sigma detected: Suspicious Process Parents

Sigma detected: System File Execution Location Anomaly

Tries to resolve many domain names, but no domain seems valid

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2024-05-20 07:45:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=knfqka2cn6bhi2r3locyr2gjqmjcgdboiglzdeddqqlnq2thacoa._file

Verdict:

malicious

CMSBrute

3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939

CMSBrute

7ab95ba29fd65216ae854a664092c3e2c0d7a7986ab8880bee77d3dc74a97467

CMSBrute

a1480e23bd2a89b188fb01138ef2f54130f2dc41ce85ff9319ab7f15471b0011

CMSBrute

a50139923127672a8083b6d24b45e102e358aa0fcb8b558a85386cf9892605aa

CMSBrute

bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8

CMSBrute

+ 2'324 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery persistence upx

Link:

https://tria.ge/reports/240520-j1jq3sbf6x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

UPX packed file

Contacts a large (647) amount of remote hosts

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e953499a-1e13-4126-b27b-5881a548086f

Unpacked files

SH256 hash:

cff09a45d2a449856c4c33a641a5efca949240f07bb62a241b5501cbcb70cd53

MD5 hash:

6d5cf483d628c8859284ab675263b94f

SHA1 hash:

bca5f51a7157eb7a8534247866f348b710cdd5ee

Link:

https://www.unpac.me/results/ba843c66-4596-4ca2-9ae1-155ea60e98ed/

SH256 hash:

534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c

MD5 hash:

72929dc9cd7ff04c903459f70d0756a6

SHA1 hash:

ecc70471eec1491257d0b954e92484a666b15a81

Link:

https://www.unpac.me/results/ba843c66-4596-4ca2-9ae1-155ea60e98ed/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/534b0503426f/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/534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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

Rule name:	Havex Create hunting rule

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	QbotStuff Create hunting rule
Author:	anonymous

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

Rule name:	without_attachments Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the no presence of any attachment
Reference:	http://laboratorio.blogs.hispasec.com/

Rule name:	with_urls Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the presence of an or several urls
Reference:	http://laboratorio.blogs.hispasec.com/

Rule name:	yara_template Create hunting rule

File information

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

Web download

CMSBrute

exe 534b0503426f82746a3b5b8588e8c98312230c2e41979190638416d86a67009c

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2856477/

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::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasA KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::GetSystemDirectoryA KERNEL32.dll::RemoveDirectoryW

Comments

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zbet commented on 2024-05-20 08:07:20 UTC

url : hxxp://www.tcgervthytrec.space/rtx.exe