MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e. 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:	649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e
SHA3-384 hash:	8b8338cf4e82771e06776d408ff9a9c4f5cc1e4353bfb401f2fe357e444643e436cf05c7db0991bb4dfdea40a6d7aa7a
SHA1 hash:	b645f3fe56ac86ffde7d0e72ef48cd3eb4f48220
MD5 hash:	8305c45696b7e6763ff343ca024682d1
humanhash:	one-friend-princess-alaska
File name:	8305c45696b7e6763ff343ca024682d1
Download:	download sample
Signature	CMSBrute Create hunting rule
File size:	1'950'208 bytes
First seen:	2024-05-20 07:21:39 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:WlsJPNJLt1TzK2m8Q2AajccD1RTsTmeC2yHL+Hq:WOJPNJDm8Q2Q4Tf2Y6
TLSH	T1C495230335D7C031E9B7C135582486F54A3BFC329923DADB676C2B0FA4761A28A376B5
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	000484c1422a0c88 (1 x CMSBrute)
Reporter	zbetcheckin
Tags:	32 CMSBrute exe

Intelligence

File Origin

# of uploads :

# of downloads :

344

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e.exe

Verdict:

Malicious activity

Analysis date:

2024-05-20 07:24:47 UTC

Tags:

bruteforce cmsbrute pifagor

Link:

https://app.any.run/tasks/1d7ab200-b3ef-4fcb-8690-ad5a50b9f8bb

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

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/664afa20490de9911e18e768/reports/15b2333d-2f0b-4089-9347-b22a032620e7/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e

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/b630974c-d6f1-4d16-9f5d-bbded57c65fd

Result

Threat name:

CMSBrute

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1444168

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to inject code into remote processes

Drops PE files with benign system names

Found Tor onion address

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)

May use the Tor software to hide its network traffic

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Files With System Process Name In Unsuspected Locations

Sigma detected: Potentially Suspicious Malware Callback Communication

Sigma detected: Suspicious Process Parents

Sigma detected: System File Execution Location Anomaly

Yara detected CMSBrute

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2024-05-20 07:22:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=msnir3yx3l5qxupq2vphklpbiprefcjh3vphks3fww2leuigtqpa._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

7/10

Tags:

persistence upx

Link:

https://tria.ge/reports/240520-h68rqaaa9s/

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

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/0ce4d2fe-8f29-4753-b024-57d3e7f0ee9b

Unpacked files

SH256 hash:

cff09a45d2a449856c4c33a641a5efca949240f07bb62a241b5501cbcb70cd53

MD5 hash:

6d5cf483d628c8859284ab675263b94f

SHA1 hash:

bca5f51a7157eb7a8534247866f348b710cdd5ee

Link:

https://www.unpac.me/results/eef42565-8aff-4d22-9e71-8c80b305fed8/

SH256 hash:

649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e

MD5 hash:

8305c45696b7e6763ff343ca024682d1

SHA1 hash:

b645f3fe56ac86ffde7d0e72ef48cd3eb4f48220

Link:

https://www.unpac.me/results/eef42565-8aff-4d22-9e71-8c80b305fed8/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/649a88ef17da/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/649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e

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 649a88ef17dafb0bd1f0d55e752de143e2428927dd5e754b65b5b4b251069c1e

(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 07:21:40 UTC

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