MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8
SHA3-384 hash: 832ff9677685c427e6cd1283bc5f8f87b2c2ca7788747be6358cf1058b39dcb066a4626610a047efb8cd06336d2d1e51
SHA1 hash: aa916011a7faea04165a5ab54a2e37aad324d3f1
MD5 hash: 54fe11c8c750f9ab079274567f5f1c60
humanhash: thirteen-zebra-neptune-maryland
File name:client.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:50'688 bytes
First seen:2026-02-03 17:58:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'663 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 1536:NuIfdTsXB2jzcfnMt3b2XSX/4d/wIdvWmZf+:NuIVTsXB2UfnMt3b2pH9WmZm
Threatray 1'892 similar samples on MalwareBazaar
TLSH T16133E7CE27A881EEFF7E0B74A8F1DD454E7AA3633903D54E1CB441863B13B8589416E9
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 skocherhan
Tags:AsyncRAT exe github-jan360gmbjd-del ja308900663-36345-portmap-host


Avatar
skocherhan
https://github.com/jan360gmbjd-del/j/raw/refs/heads/main/client.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
GB GB
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/f81f159d-7cd3-4838-871a-1dbabeb8e60d/
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
5dfe9847196442e9c1f42abc1a7bf9633eeb4351d84f4a74e25dd57c6a5ac729.exe
Verdict:
Malicious activity
Analysis date:
2026-01-26 19:17:08 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/e2c8620e-5bbd-407c-8c09-156c84be853b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51553/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6982377587f81e55ffef0d7d
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
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat base64 config-extracted fareit fingerprint lolbin obfuscated razy reconnaissance reg samas schtasks vbnet
Link:
https://www.filescan.io/uploads/69823777981ff1d38a46dab6/reports/fc090c3f-c3d7-432f-a396-2211d62bf135/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-26T06:54:00Z UTC
Last seen:
2026-01-26T12:56:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen
Link:
https://opentip.kaspersky.com/4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7076c294-e392-4d32-946f-3537c2f6a81d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8
Gathering data
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8/
Verdict:
Malicious
Threat:
Family.ANARCHYRAT
Link:
https://tip.neiki.dev/file/4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 12:44:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ji5gu5f6bos2aclzc6fk5ydfhd7vdqa4dnr5krzztzcaq32kspma._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
4b22c7b037fdcf67c4210c855be1d275bc86dad46ceae4e823f3e3bef7e4b7e0
AsyncRAT
5e088f3ae8bf2631e5aaa8de2facd537a65ef5e269924213e14ee41d94b6a446
AsyncRAT
7c8c576731dd13174bd9289726bc59c98fa0db27515da65d5f3434c5c2921d02
AsyncRAT
7f14cf5740bb204942ae69690aea4bb17dea9bee17323311a6613c766a716b24
AsyncRAT
c5bfd0abb2e443daf2b319726ee97aadc657aacde9f466228efe908e2193e9b3
AsyncRAT
e5cc1cac795755ade9067768ac3a2d037ab18977e4223291d55e636663a3d282
AsyncRAT
error
AsyncRAT
+ 1'882 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery rat
Link:
https://tria.ge/reports/260203-wktbssbx8h/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
ja308900663-36345.portmap.host:3006
ja308900663-36345.portmap.host:36345
Unpacked files
SH256 hash:
4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8
MD5 hash:
54fe11c8c750f9ab079274567f5f1c60
SHA1 hash:
aa916011a7faea04165a5ab54a2e37aad324d3f1
Detections:
win_asyncrat_w0
Create hunting rule
AsyncRAT
Create hunting rule
asyncrat
Create hunting rule
win_asyncrat_bytecodes
Create hunting rule
win_asyncrat_unobfuscated
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Link:
https://www.unpac.me/results/20127684-1475-4c5d-9426-131c55541cd0/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a3a6a74be0b/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/4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8

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_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
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: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: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.

ab94c14fb85effb9c64751b68d82e13e

AsyncRAT

Executable exe 4a3a6a74be0ba5a00979178aaee06538ff51c01c1b63d547399e44086f4a93d8

(this sample)

  
Dropped by
MD5 ab94c14fb85effb9c64751b68d82e13e
  
Dropped by
MD5 2a2c530ae6cbd47cd58e0cc77d0e2f38
  
Dropped by
MD5 9abe6297f05bcfd9bc20295a7b7ae7bc
  
Dropped by
MD5 a4c4a100da506ddf89bc9af7470cf155
  
Dropped by
MD5 14acce2e0355c836afa65632fefdcc7a
  
Dropped by
MD5 82924512182af3b3291624375ae1a115
Cape
Cape
https://www.capesandbox.com/analysis/51553/

Comments