MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e. 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 23 File information Comments

SHA256 hash:	2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e
SHA3-384 hash:	cb6c3bf8659169c022833ecb60536cd9b3daf68b0d60bce39fbff8fb3d87b44d40e5c71f888f05c12ebdd43bdefb5eaa
SHA1 hash:	a3498ddeca65ce8bd339c08b19cfe0f0200e68f7
MD5 hash:	72b66bac20017e024ccdef1c786c04ba
humanhash:	idaho-earth-three-thirteen
File name:	AU88APP.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	28'160 bytes
First seen:	2026-07-13 01:09:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'131 x AgentTesla, 20'159 x Formbook, 12'362 x SnakeKeylogger)
ssdeep	384:jgSVEEMiNPWmeOsVa/KFHbh0yH9qbuUscCbQxnCJfJBndnjJvKsbT+:jgSVXFg1VDHF0wIb1BBiBnesbT+
Threatray	616 similar samples on MalwareBazaar
TLSH	T1FFC23D0873E8C572D2FE0ABE883395009775D55B9913D75A6FC890AE2E23BCD8A14BD4
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	Anonymous
Tags:	AsyncRAT exe RAT

Anonymous

Confirmed malware sample collected from phishing/social media abuse campaign.

Intelligence

File Origin

# of uploads :

# of downloads :

261

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AsyncRAT

Details

Link:

https://research.acce.ciphertechsolutions.com/results/d5f95dbb-20cd-4058-a320-cf94371e9495/

Malware family:

asyncrat

ID:

File name:

AU88APP.exe

Verdict:

Malicious activity

Analysis date:

2026-07-13 01:13:11 UTC

Tags:

rat asyncrat

Link:

https://app.any.run/tasks/607984c7-887e-4126-8672-286fcd392f09

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/74372/

Detection(s):

Win.Packed.Razy-9625918-0

YARA.SECUINFRA_SUSP_Reverse_Run_Key.UNOFFICIAL

YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a543ae0a53b0ea1c820eca8

Tags:

asyncrat autorun

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat base64 fingerprint lolbin obfuscated reconnaissance schtasks vbnet

Link:

https://www.filescan.io/uploads/6a543b16550b01e7e8bc718b/reports/18a01af5-ade8-4088-a520-18eb9db8f0d1/overview

Verdict:

Malicious

Labled as:

AsyncRAT.Marte.B.Generic

Link:

https://www.hybrid-analysis.com/sample/2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-07-12T22:54:00Z UTC

Last seen:

2026-07-14T01:09:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e/results?tab=lookup

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e7e8bed6-e059-4f50-9b87-b0b317f46a24

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e

Verdict:

AsyncRAT

YARA:

10 match(es)

Tags:

.Net AsyncRAT Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout RAT SOS: 0.20 Win 32 Exe x86

Malware Config

C2 Extraction:

CNC: 78wint3.red
PORT: 43

Link:

https://app.malva.re/file/72b66bac20017e024ccdef1c786c04ba

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e/

Threat name:

Win32.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2026-07-13 01:11:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 37 (83.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fvntrlzltnvvwktpwjawgiwucq6pvptmswhky7fdjosbxyhuqmpa._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

6dcbbe9f8d4072b99884ceb48e69a6fef1d3cb8fffacebbfab602093dcb987d4

AsyncRAT

9860b2cdf23fc044bf7c6715197068b3cf6349f7ffb5e95dfd0229f212c40e63

AsyncRAT

d3bb6eb48a3fe9e88970bec3c3ac03a0631d9e1bbb06fc4b4bf675e1d70405ce

AsyncRAT

error

AsyncRAT

+ 606 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat discovery rat

Link:

https://tria.ge/reports/260713-bh5ltscx3x/

Behaviour

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

Family: AsyncRat

Unpacked files

SH256 hash:

2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e

MD5 hash:

72b66bac20017e024ccdef1c786c04ba

SHA1 hash:

a3498ddeca65ce8bd339c08b19cfe0f0200e68f7

Detections:

win_asyncrat_w0

AsyncRAT

Link:

https://www.unpac.me/results/3c2e3964-b64c-4c29-9855-a5c3808dbbb5/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2d5b38af2b9b/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/2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e

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_057B Create hunting rule
Author:	kirkderp
Description:	AsyncRAT 0.5.7B -- minimal .NET RAT with PBKDF2 key derivation and MessagePack serialization
Reference:	https://github.com/kirkderp/yara

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:	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 (https://www.lukeacha.com)
Description:	Generic detection for multiple RAT families, PUPs, packers and suspicious executables. NOTE: This rule may produce false positives. Updated May 2026 to reduce False Positives.

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:	rat_win_asyncrat Create hunting rule
Author:	Sekoia.io
Description:	Detect AsyncRAT based on specific strings

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_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)

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 2d5b38af2b9b6b5b2a6fb2416322d4143cfabe6c958eac7ca34ba41be0f4831e

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/74372/

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