MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a. 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 1 YARA 29 File information Comments 2

SHA256 hash:	a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a
SHA3-384 hash:	348984e5a247256d111e587b73334c5a6dbfb3333b53dd4e53895c191cb58de863e675311d600fa5353a3e1920758db7
SHA1 hash:	69451b95e74504901d567552272334174b5d61d6
MD5 hash:	60fa6b382f0aab282d246efa64441417
humanhash:	montana-cardinal-xray-california
File name:	60fa6b382f0aab282d246efa64441417.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	64'512 bytes
First seen:	2025-07-08 01:00:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'066 x AgentTesla, 20'015 x Formbook, 12'352 x SnakeKeylogger)
ssdeep	1536:cW8+SnDy2k6hwvKufUYF0X2RRR5b3APIvETxSirPlTGxx:cWBSDy2k6SKufUYFKyH5b3qhd6x
TLSH	T19253E8013BE9811AF3BE8F7469F2618546FAF5AB2D12C95D0CC910CE0532B869951BFF
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	abuse_ch
Tags:	AsyncRAT exe RAT

abuse_ch

AsyncRAT C2:
191.93.118.254:9000

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
191.93.118.254:9000	https://threatfox.abuse.ch/ioc/1546246/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

_a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a.exe

Verdict:

Malicious activity

Analysis date:

2025-07-08 01:10:52 UTC

Tags:

asyncrat

Link:

https://app.any.run/tasks/3ff245e7-761b-4356-9389-a4a44df630ed

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/13392/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686c6dbcc9eb9747376781af

Tags:

asyncrat autorun

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Verdict:

Malicious

Labled as:

AsyncRAT.Marte.B.Generic

Link:

https://www.hybrid-analysis.com/sample/a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/836c321a-a525-4a1f-808b-8b208b5d1c2c

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1730537

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

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

Uses dynamic DNS services

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a

Verdict:

AsyncRAT

YARA:

12 match(es)

Tags:

.Net AsyncRAT Executable PE (Portable Executable) RAT SOS: 0.02 Win 32 Exe x86

Link:

https://app.malva.re/file/60fa6b382f0aab282d246efa64441417

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a/

Verdict:

Malicious

Threat:

Win32.Backdoor.AsyncRat

Link:

https://tip.neiki.dev/file/a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a

Threat name:

Win32.Backdoor.AsyncRat

Status:

Malicious

First seen:

2025-07-06 01:29:27 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ujmiwt77hxfkjxizqpmsulncdot3fedavktq4hpzvqz3m4qohcfa._file

Verdict:

malicious

Label(s):

asyncrat

Similar samples:

error

AsyncRAT

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:newsstartup discovery rat spyware stealer

Link:

https://tria.ge/reports/250708-bcw3hastfy/

Behaviour

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

Reads user/profile data of web browsers

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

securityhealthsystrays.duckdns.org:9000

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9625918-0

YARA:

AsyncRat_Payload JPCERTCC_Asyncrat Windows_Generic_Threat_ce98c4bc Windows_Trojan_Asyncrat_11a11ba1 asyncrat malware_asyncrat win_asyncrat_unobfuscated

Link:

https://app.threat.zone/submission/08982a7f-f323-41d6-96dc-997a806d6456

Unpacked files

SH256 hash:

a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a

MD5 hash:

60fa6b382f0aab282d246efa64441417

SHA1 hash:

69451b95e74504901d567552272334174b5d61d6

Detections:

win_asyncrat_w0

AsyncRAT

Link:

https://www.unpac.me/results/0f30c9ff-a74e-4824-a45a-d0b5a864c5e4/

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/a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a

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_ Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked AsyncRAT malware samples.

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:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	Macos_Infostealer_Wallets_8e469ea0 Create hunting rule
Author:	Elastic Security

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:	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_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

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_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)

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.

Cape

https://www.capesandbox.com/analysis/13392/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Comments

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commented on 2025-08-08 18:58:44 UTC

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

{
"sha256": "a2588b4fff3dcaa4dd1983d92a2da21ba7b29060aaa70e1df9ac33b6720e388a",
"yara_possible_family": "asyncrat",
"key": "b023cc45da9cf558062b03816a29b5fecf3e70f713774fcb73037a579d6a4060",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"Ports": [
"9000"
],
"Hosts": [
"securityhealthsystrays.duckdns.org"
],
"Version": "| CRACKED BY https://t.me/xworm_v2",
"Install": "false",
"InstallFolder": "%AppData%",
"InstallFile": "",
"Key": "TW41M1JRRWgwUnlLSlptZnFlNUloU3E5TElWRjBzVWU=",
"Mutex": "vhfgujhfgjfteyjtyjfgnsfgul",
"Certificate": "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",
"Serversignature": "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",
"Anti": "false",
"offlineKL": "false",
"Pastebin": "null",
"BDOS": "false",
"Hwid": "null",
"Delay": "3",
"Group": "NewsStartup"
}
}

commented on 2025-08-08 18:55:18 UTC