MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca. 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: 14

Intelligence 14 IOCs YARA 17 File information Comments 1

SHA256 hash:	b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca
SHA3-384 hash:	92ca2a1b6f063490a82ea5421302a1d1777bf94cbf9801f38a2590a12b7041613adbb5b298d19242ca64429c9c1758f7
SHA1 hash:	dfc0abeb5f8578502d22d98ee371efae109f968e
MD5 hash:	20396f2411146b5bb648fe1553b7f19a
humanhash:	delta-blossom-vegan-alpha
File name:	Client1234.exe
Download:	download sample
Signature	VenomRAT Create hunting rule
File size:	176'128 bytes
First seen:	2025-02-08 17:41:48 UTC
Last seen:	2025-02-08 17:43:09 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'116 x AgentTesla, 20'118 x Formbook, 12'358 x SnakeKeylogger)
ssdeep	3072:bUxcx4GfSPMV7e9VdQsH1bf8eQRM+lmsolAIrRuw+mqv9j1MWLQfBY:b5fSPMV7aesVb7B+lDAAy
Threatray	420 similar samples on MalwareBazaar
TLSH	T1700451E16744C465E8AB96B9983796A76833A20E9C68490D3CC1FF0F7D7338740279DB
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	6cecccccb4c2f2b2 (38 x AgentTesla, 38 x Formbook, 24 x PythonStealer)
Reporter	aachum
Tags:	exe VenomRAT

iamaachum

https://github.com/legendary6911331/zalkazi/releases/download/dsfds/Client1234.exe

AsyncRAT C2: 147.124.210.158:4449

Intelligence

File Origin

# of uploads :

# of downloads :

451

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

Client1234.exe

Verdict:

Malicious activity

Analysis date:

2025-02-08 17:48:53 UTC

Tags:

asyncrat

Link:

https://app.any.run/tasks/5480b078-4b75-48db-858c-af22609f4aea

Note:

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

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Win.Malware.Zusy-10034587-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %AppData% subdirectories

Сreating synchronization primitives

Creating a window

Setting a global event handler for the keyboard

Connection attempt to an infection source

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/220a266c-d01f-4589-8077-b08e08885385

Result

Threat name:

AsyncRAT, VenomRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1610201

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Joe Sandbox ML detected suspicious sample

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

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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-01-07 03:00:49 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xdjsqq5erypamijkg2d2oguqqay7rmivo7b33dxbz3ldu3sifpfa._file

Verdict:

malicious

Label(s):

asyncrat

VenomRAT

4a290ed67e8d8e911f1a1b66e1f1335d680d4b445d21345e5056debfe3ff3fc2

VenomRAT

560917a6881bc30c1436f8fb95705b00645773aa091c46083a6cea3b00a0949b

VenomRAT

c61be8a80e413a855e38a6269b611f6c4b86718e0e0aea9964772ab11c836a74

VenomRAT

d242df7f2b38186e3ff903b28119c09883df033ba2519e9b5f19eb0652f78975

VenomRAT

error

VenomRAT

+ 410 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default discovery rat

Link:

https://tria.ge/reports/250208-v964hsylaj/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Downloads MZ/PE file

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

147.124.210.158:4449

Verdict:

Malicious

Tags:

rat asyncrat venom_rat Win.Packed.Razy-9807129-0

YARA:

asyncrat win_asyncrat_unobfuscated EXE_VenomRAT_May_2024 Windows_Generic_Threat_ce98c4bc

Link:

https://app.threat.zone/submission/f80bf4a8-ef76-4913-80b3-c2ccc337d95e

Unpacked files

SH256 hash:

b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca

MD5 hash:

20396f2411146b5bb648fe1553b7f19a

SHA1 hash:

dfc0abeb5f8578502d22d98ee371efae109f968e

Detections:

VenomRat

AsyncRAT

Link:

https://www.unpac.me/results/71441201-b717-467c-a090-d806ade902fb/

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/b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca

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:	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_RANSOM_COVID19_Apr20_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects ransomware distributed in COVID-19 theme
Reference:	https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/

Rule name:	MAL_RANSOM_COVID19_Apr20_1_RID2ECC Create hunting rule
Author:	Florian Roth
Description:	Detects ransomware distributed in COVID-19 theme
Reference:	https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/

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:	NETexecutableMicrosoft 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 b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca

(this sample)

Link

https://tria.ge/250208-vtkwcawnay/behavioral2

Dropped by

Amadey

Delivery method

Distributed via web download

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

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commented on 2025-02-08 17:45:47 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "b8d32843a48e1e06212a3687a71a908031f8b11577c3bd8ee1ced63a6e482bca",
"yara_possible_family": "venomrat",
"key": "6513f494a8eb71b86cb8229aa7788fe149e8685152fccb79850cbea1ccfe07af",
"salt": "56656e6f6d524154427956656e6f6d",
"config": {
"Ports": [
"4449"
],
"Hosts": [
"147.124.210.158"
],
"Version": "Venom RAT + HVNC + Stealer + Grabber v6.0.3",
"Install": "false",
"InstallFolder": "%AppData%",
"InstallFile": "",
"Key": "OENoQkowM240VkREa1dJTkxUOURHYnJoRlJ6WWJsTGI=",
"Mutex": "chptbpgxeghrinbp",
"Certificate": "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",
"Serversignature": "et7YCJPIJbDbbJWB5SVRttznSTbxx8tUcianafrvNmr9+pc/Fe2WXho86bAEUnj85ESkWiJYZBXNP40K6YpKDMGFuu9DIRBlnuqnQm6XbG2+si9Da26/8eWIkLEUBFDqIIySCH5/7YYb/Tq5gJOvjkhoo6BzPMus9698TyE1GOY=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "false",
"Anti": "false"
}
}