MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9. 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:	ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9
SHA3-384 hash:	a77993c2800f6554542d2691d6a44cb361365c6042a4e2e32b7411d0883ece4669c514ae159d57dc75aebcc08b928ecb
SHA1 hash:	0e728ccec59d2cd725a11b924a67c0db76262bb2
MD5 hash:	74d08e4ef17bb2631f3372bd7ae8226d
humanhash:	single-muppet-sixteen-two
File name:	InternetExplorer11.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	65'536 bytes
First seen:	2026-01-04 17:16:57 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'013 x AgentTesla, 19'917 x Formbook, 12'332 x SnakeKeylogger)
ssdeep	1536:Tmnn75wzluQGbbAwVjET/UveGHg1VclN:qnKzLGbbACELUvaXY
Threatray	2'753 similar samples on MalwareBazaar
TLSH	T1AE536A002798C966E1AD4AF4BDF2550106B6D5772116CB5E7CC400CBAB9FFCA4A223FE
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 RAT

Intelligence

File Origin

# of uploads :

# of downloads :

238

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/b066b6be-d159-4d0e-97cf-2aa9260a8539/

Malware family:

asyncrat

ID:

File name:

_ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9.exe

Verdict:

Malicious activity

Analysis date:

2026-01-04 17:19:05 UTC

Tags:

auto-reg asyncrat rat

Link:

https://app.any.run/tasks/efd84124-bdce-4587-8ea0-412fa08b6437

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/47619/

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:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=695aa0a3d2357cccc3df618f

Tags:

autorun dropper virus sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Creating a file

Launching a process

Creating a process from a recently created file

DNS request

Connection attempt

Sending a custom TCP request

Unauthorized injection to a recently created process

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm base64 configsecuritypolicy evasive explorer fingerprint hacktool lolbin mpcmdrun msconfig reconnaissance regedit schtasks vbnet

Link:

https://www.filescan.io/uploads/695aa09b7d55b68cb20cf58f/reports/04c61d9e-6c77-4b52-8910-613e1d851a9c/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-04T14:21:00Z UTC

Last seen:

2026-01-05T04:03:00Z UTC

Hits:

~100

Detections:

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

Link:

https://opentip.kaspersky.com/ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b5bedaa1-28cb-464a-a749-709a5e8a0fe4

Score:

91%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9

Verdict:

njRat

YARA:

14 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

Malware Config

C2 Extraction:

PORT: 80,443,2053,2083,8080,8848,8888

Link:

https://app.malva.re/file/74d08e4ef17bb2631f3372bd7ae8226d

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2026-01-04 17:17:20 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=vwm7dyr5r246wjphdyea4sxw6mxx7tew54hscaxrmbm4hdpclhmq._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

7d762632cff476032847ec9e7eaaa403009624e1c1ec87cb92371e84df25945d

AsyncRAT

7d7db8dde2d6ebc5edbb5284336a3dd99f75e86952ba616f7d693d9a221c4b4d

AsyncRAT

b5a517e674d611f304c6f3ab0ab7c8e4b26a34df34bfcefdb0abb5cdabc6f37e

AsyncRAT

error

AsyncRAT

+ 2'743 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/260106-jdt9asev8a/

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:

go88.mex.com:8848
go88.mex.com:443
go88.mex.com:8080
go88.mex.com:80
go88.mex.com:8888
go88.mex.com:2053
go88.mex.com:2083
go88.mex.com:2087
go88.mex.com:2096
go88.mex.com:4782
www.go88.mex.com:8848
www.go88.mex.com:443
www.go88.mex.com:8080
www.go88.mex.com:80
www.go88.mex.com:8888
www.go88.mex.com:2053
www.go88.mex.com:2083
www.go88.mex.com:2087
www.go88.mex.com:2096
www.go88.mex.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/47176a5a-27bd-4af6-981b-2d4ea6b8d440

Unpacked files

SH256 hash:

ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9

MD5 hash:

74d08e4ef17bb2631f3372bd7ae8226d

SHA1 hash:

0e728ccec59d2cd725a11b924a67c0db76262bb2

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/e4883a9a-c07e-492b-9962-25ebc279a35c/

Malware family:

DCRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ad99f1e23d8e/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Link

https://www.virustotal.com/gui/file/ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9/detection

Dropped by

DcRAT

Delivery method

Multiple

Cape

https://www.capesandbox.com/analysis/47619/

Comments

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commented on 2026-01-04 17:20:58 UTC

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

{
"sha256": "ad99f1e23d8eb9eb25e71e080e4af6f32f7fcc96ef0f2102f16059c38de259d9",
"yara_possible_family": "dcrat",
"key": "e16beb929a50adfbfa1876204b830525e5bc68141011c2ee6ab2a41e462f6fd5",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"8848",
"443",
"8080",
"80",
"8888",
"2053",
"2083",
"2087",
"2096",
"4782"
],
"Hosts": [
"go88.mex.com",
"www.go88.mex.com"
],
"Version": " 1.0.7",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "InternetExplorer11.exe",
"Key": "N3pMd1lla0ZuMHY0ekhFRzNWUkJCekVoMGpJZnJMbzY=",
"Mutex": "DcRatMutex_qwqdanchun",
"Certificate": "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",
"Serversignature": "QHNa1Keus0op+GiM6LNhrTfXpjQfyY81SAVe+DsC+PDr0EeXYtDURg4yTrUlFNQbbFvjzX5PjxkHiU9f2BOgUYvvBE6q+TNN/F15BrDwIqzRQ73srpLE2M41Up7hCB1bGCC5iKIoY9guNjE8zEy+o3FN83DcLM25GiXjZa6Oyao=",
"Pastebin": "null",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "false",
"Anti": "false"
}
}