MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f. 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

VenomRAT

Vendor detections: 16

Intelligence 16 IOCs YARA 16 File information Comments 1

SHA256 hash:	546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f
SHA3-384 hash:	3172ac5d3fde47990797bca37d1ca242115c144b8e6d84ddcdb126ad22c818f18c4cb88e3ff1b5e66aaea4e4f435c98e
SHA1 hash:	3b4165f4d408e0f330c637554554b27924535178
MD5 hash:	97de4bc04461280f11316077a41083e0
humanhash:	undress-seventeen-venus-venus
File name:	97de4bc04461280f11316077a41083e0
Download:	download sample
Signature	VenomRAT Create hunting rule
File size:	75'776 bytes
First seen:	2024-07-28 19:59:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	1536:PUD0cxVGlCBiPMVK07RhCIQH1bM/Pz8oNQzcaLVclN:PUAcxVMWiPMVHNhsH1bM3z8iQLBY
TLSH	T195735B013BD88D26F2AE47B9ACF251074EF4D1576512CE5E3CC840DD6A6BBC58A037EA
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	zbetcheckin
Tags:	32 exe VenomRAT

Intelligence

File Origin

# of uploads :

# of downloads :

501

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

http://193.42.11.9/test1.exe

Verdict:

Malicious activity

Analysis date:

2024-07-28 20:05:17 UTC

Tags:

asyncrat

Link:

https://app.any.run/tasks/cb720be5-523e-4ec4-aafc-4ab7f118530d

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66a6a3433ee5253b89e5dab0

Tags:

Infostealer Stealth Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% subdirectories

Сreating synchronization primitives

Connection attempt

Creating a window

Setting a global event handler for the keyboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm configsecuritypolicy evasive hacktool hook keylogger lolbin mpcmdrun msconfig msiexec njrat rat regedit schtasks vbnet

Link:

https://www.filescan.io/uploads/66a6a345dfa8b2fced4f8016/reports/d5e95454-a2db-44de-808c-ff9f752b8ba3/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6b873a04-a882-42f8-8829-c64b8c5e481f

Result

Threat name:

AsyncRAT, VenomRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1483703

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected AsyncRAT

Yara detected VenomRAT

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-07-27 12:33:05 UTC

File Type:

PE (.Net 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=krwcxjulk73htjyaj5bywgbc3efivxo7naoztbmmw4ka6knxpixq._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/240728-yqyvkswarb/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

AsyncRat

Malware Config

C2 Extraction:

127.0.0.1:4449
127.0.0.1:80
45.141.151.163:4449
45.141.151.163:80

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/914defc7-9bf3-4823-a7b2-ec5b1beaf1bd

Unpacked files

SH256 hash:

546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f

MD5 hash:

97de4bc04461280f11316077a41083e0

SHA1 hash:

3b4165f4d408e0f330c637554554b27924535178

Detections:

VenomRat

AsyncRAT

Link:

https://www.unpac.me/results/0fea2e88-8989-4df4-a9d3-222fd994a1e0/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/546c2ba68b57/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f

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:	AcRat Create hunting rule
Author:	Nikos 'n0t' Totosis
Description:	AcRat Payload (based on AsyncRat)

Rule name:	EXE_VenomRAT_May_2024 Create hunting rule
Author:	NDA0E
Description:	Detects VenomRAT

Rule name:	INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice Create hunting rule
Author:	ditekSHen
Description:	Detects executables attemping to enumerate video devices using WMI

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Mal_WIN_AsyncRat_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	venomrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information

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

Web download

VenomRAT

exe 546c2ba68b57f679a7004f438b1822d90a8adddf681d99858cb7140f29b77a2f

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3075700/

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

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

zbet commented on 2024-07-28 19:59:17 UTC

url : hxxp://193.42.11.9/test1.exe