MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff. 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 18 File information Comments 1

SHA256 hash:	b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff
SHA3-384 hash:	84f036fa35dae7dbc06650bce2dd20d28fab602026fcf3ed303e976f2dd43a683baedb2bf10fc7f81c2da87773fa1194
SHA1 hash:	81f1fa1e768c224d1576cf1de974fff1c912aed0
MD5 hash:	7bc6b5716c37c0d876fd2bc2e40c6a41
humanhash:	victor-stream-pennsylvania-avocado
File name:	Android Studio.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	125'952 bytes
First seen:	2026-01-16 15:06:02 UTC
Last seen:	2026-01-17 13:18:33 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'125 x AgentTesla, 20'138 x Formbook, 12'362 x SnakeKeylogger)
ssdeep	3072:eXCkwgneNUUX558Gbbzlk8HkdFSs+5FwyEED0dt9Y:0IYkbJEdFKfTU
Threatray	2'325 similar samples on MalwareBazaar
TLSH	T1E9C35A003784D535D1AD4ABCADB285404AB5DD73250DDA4AFCC036DF6ABBAC17A122FE
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
dhash icon	71e88c9e9696e061 (3 x AsyncRAT, 1 x Rhadamanthys)
Reporter	ame221a
Tags:	AsyncRAT exe RAT Win

ame221a

psp.jpn.com
166bet.com.br

goto.psp.jpn.com
goto.166bet.com.br

www.psp.jpn.com
www.166bet.com.br

Intelligence

File Origin

# of uploads :

# of downloads :

227

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

DcRat PostExploitTool

Details

DcRat

c2 socket addresses, 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/0a17e12c-3226-4de1-be74-cf4946bbd12e/

Malware family:

asyncrat

ID:

File name:

AndroidStudio.exe

Verdict:

Malicious activity

Analysis date:

2026-01-16 15:09:15 UTC

Tags:

auto-reg asyncrat rat

Link:

https://app.any.run/tasks/4241f285-506e-462b-abbe-c611a7496e27

Note:

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

Detection:

DCRat

Link:

https://www.capesandbox.com/analysis/49089/

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Win.Malware.Zusy-10034587-0

Win.Packed.Generickdz-10058942-0

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=696a53f7ef906a21abcdc0ad

Tags:

asyncrat autorun

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug anti-vm asyncrat base64 configsecuritypolicy evasive fingerprint hacktool lolbin mpcmdrun msconfig razy reconnaissance regedit schtasks vbnet

Link:

https://www.filescan.io/uploads/696a53f63dd9d2095057394e/reports/704ee148-e285-4ffd-920c-28378d799cf7/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-16T12:13:00Z UTC

Last seen:

2026-01-18T06:42:00Z UTC

Hits:

~100

Detections:

PDM:Trojan.Win32.Tasker.cust HEUR:Trojan-PSW.MSIL.Agent.gen HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.DcRat.gen Backdoor.MSIL.Crysan.d PDM:Trojan.Win32.Generic Trojan.MSIL.DInvoke.sb HEUR:Trojan.MSIL.Agent.gen Backdoor.MSIL.Darkrat.sb Backdoor.MSIL.Crysan.sb

Link:

https://opentip.kaspersky.com/b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c3cebbc9-ecfd-46ec-937d-84001b391310

Score:

84%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff

Gathering data

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff/

Verdict:

Malicious

Threat:

Family.ANARCHYRAT

Link:

https://tip.neiki.dev/file/b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff

Threat name:

ByteCode-MSIL.Spyware.AsyncRAT

Status:

Malicious

First seen:

2026-01-16 15:06:31 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wstpic3ib5uq5k5teyprfp2bdaeof3et2lzjfcogulx6izupo37q._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

7d762632cff476032847ec9e7eaaa403009624e1c1ec87cb92371e84df25945d

AsyncRAT

7d7db8dde2d6ebc5edbb5284336a3dd99f75e86952ba616f7d693d9a221c4b4d

AsyncRAT

b5a517e674d611f304c6f3ab0ab7c8e4b26a34df34bfcefdb0abb5cdabc6f37e

AsyncRAT

d0609ecac184940c000201c8af3cdf5f4b6bdc6fbab9b5c33ed91495323c9982

AsyncRAT

e97d951d16cf830c8ac014afb27c6b09736527ef963c2eb973f95c2f4bbeadc4

AsyncRAT

error

AsyncRAT

+ 2'315 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:aethercloud_2042 defense_evasion execution persistence rat

Link:

https://tria.ge/reports/260116-sgz4dset6c/

Behaviour

Delays execution with timeout.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Checks computer location settings

Executes dropped EXE

Async RAT payload

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

psp.jpn.com:8848
psp.jpn.com:443
psp.jpn.com:80
psp.jpn.com:8080
psp.jpn.com:6060
psp.jpn.com:4782
psp.jpn.com:4444
psp.jpn.com:6666
psp.jpn.com:5555
166bet.com.br:8848
166bet.com.br:443
166bet.com.br:80
166bet.com.br:8080
166bet.com.br:6060
166bet.com.br:4782
166bet.com.br:4444
166bet.com.br:6666
166bet.com.br:5555
goto.psp.jpn.com:8848
goto.psp.jpn.com:443
goto.psp.jpn.com:80
goto.psp.jpn.com:8080
goto.psp.jpn.com:6060
goto.psp.jpn.com:4782
goto.psp.jpn.com:4444
goto.psp.jpn.com:6666
goto.psp.jpn.com:5555
goto.166bet.com.br:8848
goto.166bet.com.br:443
goto.166bet.com.br:80
goto.166bet.com.br:8080
goto.166bet.com.br:6060
goto.166bet.com.br:4782
goto.166bet.com.br:4444
goto.166bet.com.br:6666
goto.166bet.com.br:5555

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9807129-0

YARA:

Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated

Link:

https://app.threat.zone/submission/0b475b52-bcf0-46e2-9717-b6d077936c01

Unpacked files

SH256 hash:

b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff

MD5 hash:

7bc6b5716c37c0d876fd2bc2e40c6a41

SHA1 hash:

81f1fa1e768c224d1576cf1de974fff1c912aed0

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/4b0d3896-43ee-41d2-be27-411123833451/

Malware family:

DCRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b4a6f40b680f/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/b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff

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_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:	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:	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_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

AsyncRAT

exe b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff

(this sample)

Malpedia

https://malpedia.caad.fkie.fraunhofer.de/details/win.asyncrat

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/49089/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

commented on 2026-01-16 15:11:03 UTC

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

{
"sha256": "b4a6f40b680f690eabb3261f12bf411808e2ec93d2f29289c6a2efe4668f76ff",
"yara_possible_family": "dcrat",
"key": "436b671af1a825776fe81a2656c3d67bd9ba24b8647898f23d6403719866886f",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"8848",
"443",
"80",
"8080",
"6060",
"4782",
"4444",
"6666",
"5555"
],
"Hosts": [
"psp.jpn.com",
"166bet.com.br",
"goto.psp.jpn.com",
"goto.166bet.com.br"
],
"Version": " 1.0.7",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "Android Studio.exe",
"Key": "RFk1UlpYd2xGdWpiRmRWSW1zekdrd3hOa09xYWR5djA=",
"Mutex": "TFDS_TitanPrime_SentinelLock_9p0q1r2s",
"Certificate": "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",
"Serversignature": "MN2Nco6bv3S3/z0DbunT+F4P7SV18am0J0202NjnUaexHetP/6nlZSthudjV6eYQNYMS7igme+2dBgUjU9B0mD//U5vQViSpuwf2snfXjvqniz8jzy7zDRnH4mOjFWLJto97Aoo5w4SBs6Dbj7ZoDNPuAi0yHoKeViUEMFobwSs=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "AetherCloud_2042",
"AntiProcess": "false",
"Anti": "false"
}
}