MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043. 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 12 File information Comments 1

SHA256 hash:	28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043
SHA3-384 hash:	c9dce451ad0447d2f3a3480dc83fd376ea0b894ead00948a9cbd77ee28d61a3f5e578a952f2a4d499761138f9d89abcd
SHA1 hash:	6bbf47e4642f83ebe9e40bcffb60925124ca7f43
MD5 hash:	29f127851fff4d296c91aedc30b1aa4f
humanhash:	moon-saturn-alabama-friend
File name:	29f127851fff4d296c91aedc30b1aa4f
Download:	download sample
Signature	VenomRAT Create hunting rule
File size:	75'776 bytes
First seen:	2024-03-03 04:12:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	1536:uUB6cxwGLZmCN7PMVvFZLatIlH1bD/z23rQzcBLVclN:uUQcxwGtma7PMVvFZLaCH1bDLgQYBY
TLSH	T153734A013BD88D26F2AE47B9ACF256074EF4D5576112CE5E3CC800DD9A67BC58A037EA
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 :

334

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

6e95e17675b684ab0248beae17c5979c0dd060a9f94459bded1181b6c7fdcf22.exe

Verdict:

Malicious activity

Analysis date:

2024-03-02 17:19:11 UTC

Tags:

amadey botnet stealer loader

Link:

https://app.any.run/tasks/88f54139-57ce-4f9c-a4d4-afaa86bd16aa

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% subdirectories

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Creating a file

Launching a process

Creating a process from a recently created file

Connection attempt

Creating a window

Unauthorized injection to a recently created process

Setting a global event handler for the keyboard

Enabling autorun by creating a file

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

Link:

https://www.filescan.io/uploads/65e419e7aa3c088d605bcb76/reports/94698693-5f60-4832-8a89-2d41bdcf6897/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043

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:

ModernLoader

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/43a94ab5-dd5a-4a04-bb59-7b250dbb3464

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1402062

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

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

Queries memory information (via WMI often done to detect virtual machines)

Sigma detected: Invoke-Obfuscation CLIP+ Launcher

Sigma detected: Invoke-Obfuscation VAR+ Launcher

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

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AsyncRAT

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-03-02 19:07:12 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fcww5f5jikcyda2igxlldalxv4sprbfkfg3gocz4r7w5ch6dibbq._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/240303-es3rrscf4x/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Malware Config

C2 Extraction:

154.27.70.229:4449

Unpacked files

SH256 hash:

28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043

MD5 hash:

29f127851fff4d296c91aedc30b1aa4f

SHA1 hash:

6bbf47e4642f83ebe9e40bcffb60925124ca7f43

Detections:

INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice

Link:

https://www.unpac.me/results/c12a8b6c-db1e-4728-ba28-bff079463373/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/28ad6e97a942/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/28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043

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:	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:	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:	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 28ad6e97a9428581834835d6b18177af24f884aa29b6670b3c8fedd11fc34043

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2774657/

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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zbet commented on 2024-03-03 04:12:17 UTC

url : hxxp://193.233.132.167/lend/seratwo.exe