MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d. 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: 18

Intelligence 18 IOCs YARA 23 File information Comments

SHA256 hash:	8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d
SHA3-384 hash:	06f55a3585ef4ddca6fa592adb2df0f228873a590d50515c58f686ba8dc5fd51858b1c89967b97710165988b72c2b091
SHA1 hash:	e2d0fab79b58afc1f7d94c9c811484dd8454dc2b
MD5 hash:	e35231226596142cbc76967e4594bb91
humanhash:	pluto-north-delta-equal
File name:	17321475076803448d101dbd20e7eb8f565a5a8db8f024eed2198a76bc7e212f0903aa57bf101.dat-decoded
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2024-11-21 00:05:09 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	768:4q+s3pUtDILNCCa+DiptelDSN+iV08Ybyge7lJoPa5+BvEgK/JvZVc6KN:4q+AGtQOptKDs4zb1CkPE0nkJvZVclN
Threatray	2'651 similar samples on MalwareBazaar
TLSH	T1AA235C4037D88136F2BD47B5ADF2E1418679E2676903CA5D6CC824EA1F23BC596036FE
TrID	44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 6.3% (.EXE) Win64 Executable (generic) (10522/11/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	abuse_ch
Tags:	AsyncRAT base64-decoded exe remcos2025rem-duckdns-org

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

448

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

17321475076803448d101dbd20e7eb8f565a5a8db8f024eed2198a76bc7e212f0903aa57bf101.dat-decoded

Verdict:

Malicious activity

Analysis date:

2024-11-21 00:07:25 UTC

Tags:

rat asyncrat remote

Link:

https://app.any.run/tasks/823e5aca-d675-4c6f-8cb6-11b2728757e2

Note:

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

Detection(s):

Sanesecurity.Malware.29669.UNOFFICIAL

Win.Malware.Generickdz-9865912-0

Win.Malware.Enigmaprotector-9874743-0

Win.Malware.Enigmaprotector-9881027-0

Win.Malware.Zusy-10034587-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=673e7a2820280512a0db3b8c

Tags:

asyncrat crysan

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/673e796c03e404306c770b7f/reports/7ab57f81-17b9-4a43-8edb-ccfc75adc887/overview

Verdict:

Malicious

Labled as:

Trojan.Agent

Link:

https://www.hybrid-analysis.com/sample/8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0e18ebb9-729c-4372-b5a9-50f5c14a40dc

Result

Threat name:

AsyncRAT, DcRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1559855

Signature

.NET source code references suspicious native API functions

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

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

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/8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-11-21 00:06:05 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=rx4qrrrkquplvkv34agt7qkn2hirca7boirtc4cqgddxssfshfoq._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

8a9c1f6cbb3c007686dd49723babb95afc94933aabf1c2012e395ee3ecf3a65b

AsyncRAT

8f0613fe4583c969434cb928ed94baf45c505d39af6a4cc0217be08d2378bc1f

AsyncRAT

b030a9aaa27be2c9db6c0f15e95626025f51430466b13a196908b1ec4172160c

AsyncRAT

b3ebae9c04c8ab1c5aee3c6733fd02bd67117d7028666c71f385dbb2fce426ff

AsyncRAT

e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b

AsyncRAT

error

AsyncRAT

+ 2'641 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default rat

Link:

https://tria.ge/reports/241121-adqrfawndw/

Behaviour

Suspicious use of AdjustPrivilegeToken

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

remcos2025rem.duckdns.org:2020

Verdict:

Malicious

Tags:

rat asyncrat dcrat dcrat Win.Malware.Generickdz-9865912-0

YARA:

asyncrat win_asyncrat_unobfuscated Windows_Generic_Threat_ce98c4bc

Link:

https://app.threat.zone/submission/1a1dca7f-8d81-4f66-9a53-cca49be869a0

Unpacked files

SH256 hash:

8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d

MD5 hash:

e35231226596142cbc76967e4594bb91

SHA1 hash:

e2d0fab79b58afc1f7d94c9c811484dd8454dc2b

Detections:

DCRat

AsyncRAT

Link:

https://www.unpac.me/results/c007d84e-11e4-477f-91d2-2fe553b8e676/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8df908c62a85/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/8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d

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:	dcrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_rkp Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects DCRat payloads

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:	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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

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)

File information

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

6803448d101dbd20e7eb8f565a5a8db8f024eed2198a76bc7e212f0903aa57bf

AsyncRAT

exe 8df908c62a851ebaaabbe00d3fc14dd1d11103e1722331705030c77948b2395d

(this sample)

Dropped by

SHA256 6803448d101dbd20e7eb8f565a5a8db8f024eed2198a76bc7e212f0903aa57bf

Dropped by

MD5 37d0f266b8654198ebe458d63dc8591c

URLhaus

https://urlhaus.abuse.ch/url/3297744/

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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