MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691. 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 YARA 19 File information Comments 1

SHA256 hash:	8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691
SHA3-384 hash:	c8ea647d3b75fedf82f22bdc5a82f6914afc629447a172cb492a9c9a9b6022e064af8292415584b0fb812ea31b6569b8
SHA1 hash:	5f5098208efdff289d98853d30c4367da40bad4a
MD5 hash:	4a51821151e59c74035f5cea24903760
humanhash:	magnesium-iowa-sierra-venus
File name:	aws_support.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	65'536 bytes
First seen:	2025-12-11 03:12:26 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep	768:93lDmSRCvHxiP7VIiz9JSRHQnghQ6xyQawa1++SCv7mqb2nwpwH1oZQISB8GXlNn:9cHWRQQnga4awaoGbbJw0lG1+VclN
Threatray	1'814 similar samples on MalwareBazaar
TLSH	T146535A002798C925F2AD4AB4ADF2950146B5D5332106DA5E7CC804DB6BAEFCA49137FF
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 DCRat exe

Intelligence

File Origin

# of uploads :

# of downloads :

157

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/3aebfe03-326b-4539-8570-26a28f1bbe29/

Malware family:

asyncrat

ID:

File name:

aws_support.exe

Verdict:

Malicious activity

Analysis date:

2025-12-11 03:15:18 UTC

Tags:

auto-reg asyncrat rat

Link:

https://app.any.run/tasks/03ea4a56-1d81-4dab-a05d-70b462ffa6c2

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/44260/

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Win.Malware.Zusy-10034587-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=693a36cda675b653bd0ff39e

Tags:

asyncrat autorun

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm asyncrat base64 configsecuritypolicy dcrat evasive fingerprint hacktool lolbin mpcmdrun msconfig razy reconnaissance regedit schtasks unsafe vbnet venomrat windows

Link:

https://www.filescan.io/uploads/693a36cb900ee247e841bc91/reports/c74e15c6-2018-4947-acf5-b145319babbe/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-12-11T00:24:00Z UTC

Last seen:

2025-12-11T02:38:00Z UTC

Hits:

~10

Detections:

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

Link:

https://opentip.kaspersky.com/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0fd4a714-086d-4a70-9cdd-32fb918a31e4

Score:

92%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

Verdict:

njRat

YARA:

9 match(es)

Tags:

.Net DarkCrystal RAT DcRat Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.25 Win 32 Exe x86

Link:

https://app.malva.re/file/4a51821151e59c74035f5cea24903760

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2025-12-11 03:13:17 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=rfb4oxj7s5gtlzkszeklyzg7bo6od2v2wgfq77njivtf465do2iq._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

7107a5aff83a129d0a58e09a5338be703a9ded881cd7d750cbccb2e255898a34

AsyncRAT

7d762632cff476032847ec9e7eaaa403009624e1c1ec87cb92371e84df25945d

AsyncRAT

7d7db8dde2d6ebc5edbb5284336a3dd99f75e86952ba616f7d693d9a221c4b4d

AsyncRAT

aeb3b9cc647b9852092549fd0d8b227da7ebd15677e16a118cd0c0598992879b

AsyncRAT

e66a08612641e3fb9ed31747e08dc00c0a9d53155fc1565baafcddd7d1b9ce1e

AsyncRAT

e97d951d16cf830c8ac014afb27c6b09736527ef963c2eb973f95c2f4bbeadc4

AsyncRAT

error

AsyncRAT

+ 1'804 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default defense_evasion execution persistence rat

Link:

https://tria.ge/reports/251211-dqv4gavqbp/

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:

xvideox.za.com:8080
xvideox.za.com:8888
xvideox.za.com:8848
xvideox.za.com:9527
xvideox.za.com:1604
xvideox.za.com:4782
support.xvideox.za.com:8080
support.xvideox.za.com:8888
support.xvideox.za.com:8848
support.xvideox.za.com:9527
support.xvideox.za.com:1604
support.xvideox.za.com:4782

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/381995b0-ddff-4232-8e64-c056be13f429

Unpacked files

SH256 hash:

8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

MD5 hash:

4a51821151e59c74035f5cea24903760

SHA1 hash:

5f5098208efdff289d98853d30c4367da40bad4a

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/7d55c8fc-5629-4836-843f-f9e8c884f5f6/

Malware family:

DCRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8943c75d3f97/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/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

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:	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:	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 8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

(this sample)

Link

https://www.virustotal.com/gui/file/8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691/relations

Dropped by

DcRAT

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/44260/

Comments

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commented on 2025-12-11 03:16:02 UTC

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

{
"sha256": "8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691",
"yara_possible_family": "dcrat",
"key": "08f249dafd45c469aa8a1099968c3a4dda015fd01e12006b230b5842969224d6",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"8080",
"8888",
"8848",
"9527",
"1604",
"4782"
],
"Hosts": [
"xvideox.za.com",
"support.xvideox.za.com"
],
"Version": " 1.0.7",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "aws_support.exe",
"Key": "OFozQURGaXNkNDBDT25Ecm5KYjl5TUV5VTF2TlUwd0k=",
"Mutex": "DcRatMutex_qwqdanchun",
"Certificate": "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",
"Serversignature": "bGDePxQDWwvE8mj5J/GjjmCcsQjpdSJwTPaVgGVvap2KEjbxLO1JFnF630Adhx2Dr7lf5gXTRkVn/PbuM3O0mTrup0zrVcAfemR3PS0EHzfQ/8WacmU8cBFJ4XSZEXibwmIylSIOnkind6TRROtXdw0Xiq3K2UmS7puDDA0ARfI=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "true",
"Anti": "false"
}
}