MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf. 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: 21

Intelligence 21 IOCs 1 YARA 24 File information Comments 1

SHA256 hash:	28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf
SHA3-384 hash:	6e4d396675f5fa22cfba65d979f4608650fb3833efcde9ab0d7a769b8de393824353f80514a56103b469b31f683359ce
SHA1 hash:	c2c871687fcb50f0ea69f1e43b83068b7a4b9096
MD5 hash:	d2e06641c01116b6bbb87c3e82354f58
humanhash:	white-music-south-foxtrot
File name:	file
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2025-12-19 19:43:07 UTC
Last seen:	2025-12-31 08:42:55 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep	768:Iuir1TUEFSuWUoV3kmo2qzRNZKi1Xi3NPIywoK0bw8XaZ7f9T5HxryJw0BDZox:Iuir1TUKP2uNViayHbzX4D9TpxmJvdox
TLSH	T13C234C003BE9C12BF2BE4F78A8F36245857BF6676603D5491CC451971A23FC29642AFE
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	Bitsight
Tags:	AsyncRAT b80777 dropped-by-amadey exe

Bitsight

url: http://196.251.107.104/ac.exe

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
196.251.107.104:8808	https://threatfox.abuse.ch/ioc/1683539/

Intelligence

File Origin

# of uploads :

# of downloads :

127

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/06a89732-1ec1-4b75-be7a-6e3b56b962e2/

Malware family:

asyncrat

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2025-12-19 19:45:27 UTC

Tags:

rat asyncrat remote

Link:

https://app.any.run/tasks/8bf5b15c-b8ed-4e24-9044-03d41614ceb4

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/45539/

Detection(s):

Win.Packed.Razy-9625918-0

Win.Packed.AsyncRAT-9861056-1

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6945ab0d56a871e6bb7f1213

Tags:

asyncrat autorun

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/6945aad1e126b9ff4389416f/reports/4ecae5d4-a563-435c-a76b-c70ea6e91a95/overview

Verdict:

Malicious

Labled as:

AsyncRat.Marte.Generic

Link:

https://www.hybrid-analysis.com/sample/28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-12-19T16:49:00Z UTC

Last seen:

2025-12-20T20:31:00Z UTC

Hits:

~100

Detections:

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

Link:

https://opentip.kaspersky.com/28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bedce1e1-97fc-4b5c-acf6-696ebe2cc43c

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf

Verdict:

njRat

YARA:

14 match(es)

Tags:

.Net AsyncRAT Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.80 Win 32 Exe x86

Malware Config

C2 Extraction:

CNC: 196.251.107.104
PORT: 6606,7707,8808

Link:

https://app.malva.re/file/d2e06641c01116b6bbb87c3e82354f58

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2025-12-19 19:44:15 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fc6yofhojpz2iwxszgi5f5cob2ujiyygoiwc5zt4vraoc3iyqxhq._file

Verdict:

malicious

Label(s):

purecrypter

asyncrat

Similar samples:

error

AsyncRAT

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default discovery rat

Link:

https://tria.ge/reports/251223-qezczazpcx/

Behaviour

System Location Discovery: System Language Discovery

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

196.251.107.104:6606
196.251.107.104:7707
196.251.107.104:8808

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9625918-0

YARA:

AsyncRat_Payload JPCERTCC_Asyncrat Windows_Trojan_Asyncrat_11a11ba1 asyncrat malware_asyncrat

Link:

https://app.threat.zone/submission/470236be-9ee9-4989-8de8-1e0e3db32035

Unpacked files

SH256 hash:

28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf

MD5 hash:

d2e06641c01116b6bbb87c3e82354f58

SHA1 hash:

c2c871687fcb50f0ea69f1e43b83068b7a4b9096

Detections:

win_asyncrat_w0

AsyncRAT

Link:

https://www.unpac.me/results/60e3b07e-2057-4447-8d71-ba7052385eeb/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/28bd8714ee4b/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/28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf

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_Trojan_Asyncrat_11a11ba1 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_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 28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3737373/

Cape

https://www.capesandbox.com/analysis/45539/

Comments

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commented on 2025-12-19 19:45:58 UTC

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

{
"sha256": "28bd8714ee4bf3a45af2c991d2f44e0ea8946306722c2ee67cac40e16d1885cf",
"yara_possible_family": "asyncrat",
"key": "cda138c04a33d621b1666c1864216c751f2a351a1abedc306fb417b31715bfbd",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "6606,7707,8808",
"obfuscated_key_2": "196.251.107.104",
"obfuscated_key_3": "0.5.8",
"obfuscated_key_4": "false",
"obfuscated_key_5": "%AppData%",
"obfuscated_key_6": "svopkf.exe",
"obfuscated_key_7": "SDlycDhrTmM1RlQ5MlA0NjNoTjliU3dieURVemhHUmQ=",
"obfuscated_key_8": "oCRV0EJhzwGf",
"obfuscated_key_9": "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",
"obfuscated_key_10": "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",
"obfuscated_key_11": "false",
"obfuscated_key_12": "null",
"obfuscated_key_13": "false",
"obfuscated_key_14": "null",
"obfuscated_key_15": "3",
"obfuscated_key_16": "Default"
}
}