MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5. 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: 20

Intelligence 20 IOCs YARA 25 File information Comments 1

SHA256 hash:	1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5
SHA3-384 hash:	e560eccd7100c00622f4db41b85c0734fc5d37ff4d1151a73f9ceaa88a9f7a91ee88e55526d597aebbe66dc83f4ecf4d
SHA1 hash:	d536555ed5230f029d9cb9506c3b7c0ac8c40356
MD5 hash:	cbf98d287b954c87f8486f076626630a
humanhash:	florida-xray-quiet-hawaii
File name:	WinRAR Download.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	46'592 bytes
First seen:	2025-12-30 22:01:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	768:7usx1ThIn5PWUDvOtmo2qzMoKZV/JtxvhQPI1CjbrgX3iNEQaOGu/08QVJFBDZfT:7usx1Thsq2noKb/J31ObUXSuQaOB/XQJ
Threatray	1'803 similar samples on MalwareBazaar
TLSH	T110232B003BE9812BF2BF4F785DF26145867AF1633A03D55E1CC451D71623BC58A52AFA
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
Reporter	Anonymous
Tags:	AsyncRAT botnet c2 exe RAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AsyncRAT

Details

AsyncRAT

c2 socket addresses or a dead drop resolver url, a version, a mutex, an SSL certificate and server signature, an interval, varying flags, and possibly a filepath and a group

Link:

https://research.acce.ciphertechsolutions.com/results/b41183c6-32b9-42ea-8110-87ee1cd2fdee/

Malware family:

asyncrat

ID:

File name:

WinRAR Download.exe

Verdict:

Malicious activity

Analysis date:

2025-12-30 22:04:27 UTC

Tags:

auto-reg asyncrat rat

Link:

https://app.any.run/tasks/a5affe4a-20e6-4dcc-9087-37ef3e72fb75

Note:

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

Detection:

AsyncRAT

Link:

https://www.capesandbox.com/analysis/46601/

Detection(s):

Win.Packed.Razy-9625918-0

Win.Packed.AsyncRAT-9856570-1

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69544bb27468b4bd1c8ef91f

Tags:

asyncrat autorun

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat asyncrat base64 fareit fingerprint lolbin obfuscated razy reconnaissance reg samas schtasks vbnet

Link:

https://www.filescan.io/uploads/69544bb2127d6a14e0c921a1/reports/2fab7eb0-9380-49fb-8521-ed3e2739319b/overview

Verdict:

Malicious

Labled as:

AsyncRAT.Marte.B.Generic

Link:

https://www.hybrid-analysis.com/sample/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5

Result

Gathering data

Verdict:

Malicious

File Type:

exe x32

Detections:

HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b

Link:

https://opentip.kaspersky.com/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a60250c3-8e2f-44fc-b477-58998bab09ef

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5

Verdict:

njRat

YARA:

14 match(es)

Tags:

.Net AsyncRAT Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.21 Win 32 Exe x86

Malware Config

C2 Extraction:

PORT: 80,443,5555,6606,8000,8080,8443

Link:

https://app.malva.re/file/cbf98d287b954c87f8486f076626630a

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2025-12-30 22:02:16 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 36 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=d6gxzk2gkicr5hgzlmdwzrdjemicivywbc3q44yposwgss5qxosq._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

5659b4ea8582b110707f84728ceeb09d22e72c0f729a02d6d73dbf268b2397bd

AsyncRAT

5e088f3ae8bf2631e5aaa8de2facd537a65ef5e269924213e14ee41d94b6a446

AsyncRAT

7c8c576731dd13174bd9289726bc59c98fa0db27515da65d5f3434c5c2921d02

AsyncRAT

7f14cf5740bb204942ae69690aea4bb17dea9bee17323311a6613c766a716b24

AsyncRAT

b2abe1af5fe4b3891a3dc402af96d3ea32ac5e002370fc263060ff4ce8675332

AsyncRAT

error

AsyncRAT

+ 1'793 additional samples on MalwareBazaar

Gathering data

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9625918-0

YARA:

AsyncRat_Payload JPCERTCC_Asyncrat Windows_Generic_Threat_ce98c4bc asyncrat malware_asyncrat win_asyncrat_unobfuscated

Link:

https://app.threat.zone/submission/058b73f4-9101-4995-935a-bd06e2352fce

Unpacked files

SH256 hash:

1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5

MD5 hash:

cbf98d287b954c87f8486f076626630a

SHA1 hash:

d536555ed5230f029d9cb9506c3b7c0ac8c40356

Detections:

win_asyncrat_w0

AsyncRAT

Link:

https://www.unpac.me/results/f027a11e-0afc-4481-b565-2d1a1245ddc8/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1f8d7cab4652/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/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5

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:	AsyncRat Create hunting rule
Author:	kevoreilly, JPCERT/CC Incident Response Group
Description:	AsyncRat Payload

Rule name:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	asyncrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	malware_asyncrat Create hunting rule
Description:	detect AsyncRat in memory
Reference:	https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp

Rule name:	malware_asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

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:	msil_suspicious_use_of_strreverse Create hunting rule
Author:	dr4k0nia
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse

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:	SUSP_Reverse_Run_Key Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a Reversed Run Key

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

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

Rule name:	win_asyncrat_j1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT

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)

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

File information

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

Web download

AsyncRAT

exe 1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5

(this sample)

Link

https://www.virustotal.com/gui/file/1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5/detection

Dropped by

asyncrat

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/46601/

Comments

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commented on 2025-12-30 22:05:59 UTC

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

{
"sha256": "1f8d7cab4652051e9cd95b076cc469231024571608b70e730f74ac694bb0bba5",
"yara_possible_family": "asyncrat",
"key": "f67875837e2a27c48991670581e79c5ea176ec6fa5a457ed79227d4609fac68c",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"Ports": [
"443",
"80",
"5555",
"6606",
"8080",
"8000",
"8443",
"8888"
],
"Hosts": [
"999slot.media",
"www.999slot.media",
"logs.999slot.media",
"api.999slot.media"
],
"Version": "0.5.8",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "WinRAR.exe",
"Key": "VGJaS3Bnd3RiVEpVZEZodzFydFJmbGtDVERpQW9RWlA=",
"Mutex": "AlVEJM7kxAVy",
"Certificate": "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",
"Serversignature": "SiwxKIoxif4PIqSbhLaGnZAbALwRXh1SVyL81dz9NwmPoOppy3hGcbq0CxAjVfnr29O3lONCCzOxvJobrul/WkaNe0bITTYBeBT4ttJoerWKWStKh7Q5SlNe/X/quBqU2singGvgKGMFLvpg1u609ohQuWOUBH/XPxlTI/Yf7DqYNVv5PxHhclt/uxMyGmMkg8fnuiF3PmsYYeo9DUfDQT2shnOXqOMInGH548qOY/OntfXj9mWKJUx3aIKZL1LOj2nJi/Ok78oZu0TcLJ/4dNGNg66Gc8K9dbvVRVSXjq4AZlqzvXPvDo4WEKRKujnmK7S/fc+qnCOWeA4NvwO6XHbYR+FtFJ7XeEeez97VviPkHjsa0ujExlyjkNh9kjw5FqV6vE3ulF8gN6yDpnW7c7AUBQySOo8cdwBfJbsAZwbc3rkV0EoEXYFAzMyjxLu8dZ67SSPYEw6mHY2EFfrkf7PZJgH8ZOG6AMb1w0HMF9EZgt9hAY5/Bn8y/sL+Uw/teuKOGUV0u8qNKgHUEj7R5KYDXzovZqwfdQVBdSMDaRNd0xxdPja2A3JegjFs8ahhZkPwgR25sPKIIyVfiL1KKfHv7V9Y4zz+Dv4/xR11lFcjLXbQMzcRQMC1jcxLC7ScqyJOldFOGnaUXYpPsccQQZZuDb4m3se7NTdWbNwOYOs=",
"Anti": "false",
"Pastebin": "null",
"BDOS": "false",
"Hwid": "null",
"Delay": "3",
"Group": "Default"
}
}