MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1. 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

AsyncRAT

Vendor detections: 15

Intelligence 15 IOCs YARA 14 File information Comments

SHA256 hash:	e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1
SHA3-384 hash:	8ad4a87108b2e671a8f8f2163c31c4ee509a7c7b338ac406b456b834f0d2752cabf253b88f3dd0fce7be16165708a2b1
SHA1 hash:	ea23d4324743d21917d7212fe59d19c894c13583
MD5 hash:	83e1f30671acc3ca235a7bfa4dce9e15
humanhash:	freddie-three-jersey-alanine
File name:	bSkM.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2023-12-06 01:07:26 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	768:d6T3ILNCKi+DiBtelDSN+iV08YbygeKXmU2LvEgK/J9lZVc6KN:d6YmBtKDs4zb1RmUYnkJ3ZVclN
Threatray	929 similar samples on MalwareBazaar
TLSH	T19A236C4037D88136F6BD47B5ADF2E64083B9D6672903CA5D6CC814EA2B13BC596036FE
TrID	40.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 32.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 7.3% (.SCR) Windows screen saver (13097/50/3) 5.8% (.EXE) Win64 Executable (generic) (10523/12/4) 3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	pmelson
Tags:	AsyncRAT DCRat exe

Intelligence

File Origin

# of uploads :

# of downloads :

344

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/462726/

Detection(s):

Sanesecurity.Malware.29669.UNOFFICIAL

Win.Malware.Generickdz-9865912-0

Win.Malware.Enigmaprotector-9874743-0

Win.Malware.Enigmaprotector-9881027-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat rat regedit replace

Link:

https://www.filescan.io/uploads/656fc97a3636548f373c9d00/reports/c5ddd732-77fd-4ee7-8d40-9cf17b3f3fc6/overview

Verdict:

Malicious

Labled as:

Backdoo.1BBEAE4C

Link:

https://www.hybrid-analysis.com/sample/e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1

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:

AsyncRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2a22e8bc-3391-49ce-b5ca-8b5655088a7a

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1354335

Signature

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Uses dynamic DNS services

Yara detected AsyncRAT

Yara detected DcRat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2023-12-06 01:08:04 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 23 (95.65%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5b4votlvb26qfi5p72qi7suzkgc4axwx33nctcbemoz7qhbf23qq._file

Verdict:

malicious

AsyncRAT

7c5e0f8301f5a0c665ef8bc1a7c7cef2b0806c56fd1a45e9e9768d36a4562c0c

AsyncRAT

81bbf492816fdf74123d81ae5f01d85764f9be418fe4930e7c569fcdff1b3787

AsyncRAT

8a9c1f6cbb3c007686dd49723babb95afc94933aabf1c2012e395ee3ecf3a65b

AsyncRAT

8f0613fe4583c969434cb928ed94baf45c505d39af6a4cc0217be08d2378bc1f

AsyncRAT

cc0008b61e8b6041a35aeebed973e10e9988a442a00b6d36a274a4901cf80db4

AsyncRAT

fd39f37e9252c859a76f65c193c869826503be3c815eab4e95cd883be307a550

AsyncRAT

+ 919 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:jojojoj rat

Link:

https://tria.ge/reports/231206-bg8bbshf79/

Behaviour

Async RAT payload

AsyncRat

Malware Config

C2 Extraction:

window10.duckdns.org:2016

Unpacked files

SH256 hash:

e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1

MD5 hash:

83e1f30671acc3ca235a7bfa4dce9e15

SHA1 hash:

ea23d4324743d21917d7212fe59d19c894c13583

Detections:

DCRat

INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice

win_asyncrat_unobfuscated

INDICATOR_SUSPICIOUS_EXE_DcRatBy

INDICATOR_SUSPICIOUS_EXE_B64_Artifacts

Link:

https://www.unpac.me/results/2b805ff7-8792-40b9-b5b0-0db28bc3f97e/

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/e879574d750ebd02a3affea08fca995185c05ed7deda29882463b3f81c25d6e1

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_B64_Artifacts Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.

Rule name:	INDICATOR_SUSPICIOUS_EXE_DcRatBy Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing the string DcRatBy

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_Trojan_DCRat_1aeea1ac 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)