MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488. 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:	cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488
SHA3-384 hash:	c6b5922de67bf1ec2f68bdd516dbb0cfaf8d53ed06a371c7f2f237c1c6dc4999eb954faa5853eb4bd65e518d76a1d00a
SHA1 hash:	3ef4d5b64d819debc3337b7a180b573190c2585d
MD5 hash:	578f22590827cf7c937c8cd7ce7f3cfe
humanhash:	nevada-carolina-shade-washington
File name:	eww.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	48'640 bytes
First seen:	2026-04-14 19:40:45 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'861 x AgentTesla, 19'793 x Formbook, 12'305 x SnakeKeylogger)
ssdeep	768:suKQ9TH4EjZWUR/ejmo2qrrVbDBvgPIYJQDA4m0bx+fCDAUd2fWNmZbe31roBDZW:suKQ9THfe2+tDBtYJF4pbx+mZduWQbeb
Threatray	1'465 similar samples on MalwareBazaar
TLSH	T1F7232B043BE9822BF2BE4F78A8F22145857AF2677503D54A2CD442D75B13FC29A429FD
TrID	70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	abuse_ch
Tags:	81-163-111-127 91-242-179-84 AsyncRAT exe RAT

Intelligence

File Origin

# of uploads :

# of downloads :

133

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/db6d223d-acbb-4cad-8a08-7343f4429267/

Malware family:

asyncrat

ID:

File name:

eww.exe

Verdict:

Malicious activity

Analysis date:

2026-04-14 19:44:22 UTC

Tags:

auto-reg asyncrat

Link:

https://app.any.run/tasks/1f8bcb70-0ff2-4422-8730-97a2f8daf2c7

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/61597/

Detection(s):

Win.Packed.Razy-9625918-0

Win.Packed.AsyncRAT-9861056-1

YARA.SECUINFRA_SUSP_Reverse_Run_Key.UNOFFICIAL

YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69de986cf68adfe10039d7de

Tags:

asyncrat autorun

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

Connection attempt

DNS request

Unauthorized injection to a recently created process

Enabling autorun by creating a file

Gathering data

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-03-26T08:44:00Z UTC

Last seen:

2026-04-16T04:44:00Z UTC

Hits:

~100

Detections:

Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.b PDM:Trojan.Win32.Tasker.cust Trojan.Win32.Reconyc.sb HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.sb

Link:

https://opentip.kaspersky.com/cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ade660c3-1cff-4f43-8d79-8215bf997812

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1898307

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Potential Privilege Escalation using Task Scheduler highest RunLevel

Sample uses string decryption to hide its real strings

Sigma detected: Invoke-Obfuscation CLIP+ Launcher

Sigma detected: Invoke-Obfuscation VAR+ Launcher

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488

Gathering data

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488/

Verdict:

Malicious

Threat:

Family.ANARCHYRAT

Link:

https://tip.neiki.dev/file/cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2026-03-30 08:58:47 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 36 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=z7e2yeuewq7s33olc7ca2unzgfd2u6t7rxhq4yfxlgovkynkssea._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

5e088f3ae8bf2631e5aaa8de2facd537a65ef5e269924213e14ee41d94b6a446

AsyncRAT

7c8c576731dd13174bd9289726bc59c98fa0db27515da65d5f3434c5c2921d02

AsyncRAT

7f14cf5740bb204942ae69690aea4bb17dea9bee17323311a6613c766a716b24

AsyncRAT

c5bfd0abb2e443daf2b319726ee97aadc657aacde9f466228efe908e2193e9b3

AsyncRAT

e5cc1cac795755ade9067768ac3a2d037ab18977e4223291d55e636663a3d282

AsyncRAT

error

AsyncRAT

+ 1'455 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default defense_evasion discovery execution persistence rat

Link:

https://tria.ge/reports/260414-yd4kasaw3q/

Behaviour

Delays execution with timeout.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Checks computer location settings

Executes dropped EXE

Async RAT payload

Family: AsyncRat

Malware Config

C2 Extraction:

91.242.179.84:6606
91.242.179.84:7707
91.242.179.84:8808
91.242.179.84:9001

Unpacked files

SH256 hash:

cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488

MD5 hash:

578f22590827cf7c937c8cd7ce7f3cfe

SHA1 hash:

3ef4d5b64d819debc3337b7a180b573190c2585d

Detections:

win_asyncrat_w0

AsyncRAT

Link:

https://www.unpac.me/results/afb75265-b503-45c1-8c81-85d796e878fd/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/cfc9ac1284b4/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/cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488

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:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

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

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
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

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

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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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 cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488

(this sample)

Cape

https://www.capesandbox.com/analysis/61597/

URLhaus

https://urlhaus.abuse.ch/url/3821597/

Delivery method

Distributed via web download

Comments

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commented on 2026-04-14 19:46:21 UTC

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

{
"sha256": "cfc9ac1284b43f2dedcb17c40d51b93147aa7a7f8dcf0e60b7599d5561aa9488",
"yara_possible_family": "asyncrat",
"key": "485950852818632046ad6dff580e2af58582dff341b97389b45e46072b5dd713",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "6606,7707,8808,9001",
"obfuscated_key_2": "127.0.0.1,91.242.179.84",
"obfuscated_key_3": "0.5.8",
"obfuscated_key_4": "true",
"obfuscated_key_5": "%AppData%",
"obfuscated_key_6": "swchost.exe",
"obfuscated_key_7": "VHRCSTZ6eXRYUHZoT09nNU5WbmtReDVWTERicTlPWHk=",
"obfuscated_key_8": "7VlVgRzlxcpk",
"obfuscated_key_9": "MIIE8jCCAtqgAwIBAgIQAJryV3RPdYN5UnyKpmVzDTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjYwMzI0MDgyODA2WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAN12rgtKi/lgtlUB7LYBfcsJLzvzoAG/HTGVDekOER58rohg3g3eahcSrueZbJIM3R3ulsgJ7xTQO3OOzxe3z3t2rqvbLQXv6I/u5PEYO9nACO8nCm+XbAV50NBOmZ7kVizQYrPt+E4HkEh7wmj+cSD4v9DZLwj8VTz/YHn9r4zDp7vz3YJ23COse/pX3L/I0TqJ00fa1RNaqykjwogqRDhkvBQ7pEwxrYuXrC7tb9mpaelonmlgn0Cl5RTrDBvjrX16QL5UMdMmW88b34LWG6NgB1nrtlQfLsQqFWC7dD++LEIuI+pmkL035c2Ka5pOYSHcSTFi4Ol46rb7rP3MGoePzuA1qqvlH3CXBQ9EFZMXeFMdt93jKsCsIhMNySzyDIrN4PG8TxfEXSkDwH06embkmlgRD+b406wgG9+VX66SionqlhffABRlw2pqkcnOdj0vmG2VTarmMHVk9i0SRwFTKS/51oeCi0UbyqpTCsUK4sCLotYAIQ4c0TMuxqUJ308p0ioBf/YD3NiwDnqAHSsdoxvZByW98TV4LRz/sRmxjzBxcKuBykVyne0cSIgyt3q3cp4va25RvaeBnQwAEtJQUfWy79s8WQqXlO+OxSIq6OI7YLH9eZLYIiyv+p6ZrkGft/Kb4l+HZjWg1Wo88GFVwAZp+EFicxmPvyz43U5NAgMBAAGjMjAwMB0GA1UdDgQWBBR5NY+5N97XdVHrM+Jc/iqTLlCsgDAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBDQUAA4ICAQAN+6wUzr0W7emZCextDlwIyJkFyX26ClgauaGbJDxHJTX92D/epDa6KlnjGnXvYYxjQGC9j1X9CFGJTs96stTSQ+qAWTtIwd/9uMddi1UREFJC+jCOTflPmDoj78nuPVGzH5AJLCDbj8lTCCBUhNCqTn6oNNZ6QutFoBOSya6HBPMM0FqWNOJBc5L//tcW3cOzsJiVz2IfDMKW2ZKmNR4JzuWYikBXyR5qXlh9Fa71U5T8G85RAXd8bSuo6r2+mh/z0E34ZvxVtMCy77uJC29Z629NhrDFUP0ibC8YJo+4+LtBrUO9ud7tLErwvLPFDb79ns8gEGlWCofLiDjIXf5vkoFjhi+QWtGkhRIDDu1l9p9xRLolRdx5arSg+OAfB8oS83eMwrVbtHYq9vhDuQDx11TgQECD7SLlbTKcdff+NaYnAjKinQTc9A4D6pjA4o+beyyV4K3L10H7jPZK2vVXnpVlFcY+iafOOi0WEkGx7n1B9UNRLKdvZ/0e1RYVYGrVv2PswT2iXNndgQ8R3sqi0x9nGe2IJEzvegcvV5jJQm9k93lkmPd6nST1a1pAzSXviBBRJyGrqHy6nkTILDHJLADa6qCQfpCZDYPpQ6xuzYHeqsk1CgN48XsmqQDVHjrAzDCgDSFDxaUaPXWObjd+/ornL78IAzf2RLXZsXJiDw==",
"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"
}
}