MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3
SHA3-384 hash: fd83d23e84902ad901125bbab82cc9c57bce08cf8dac5132831bd6e72cbcfc6d76126f0fd782bd10afe230c19be89382
SHA1 hash: 1d261cafc45352a6fa08a598080e92f0a1ec4832
MD5 hash: a48b850b6c45e196beb6c6eaf6e14eff
humanhash: mississippi-seven-oscar-mike
File name:ns.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:64'512 bytes
First seen:2025-10-16 09:19:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:AhjExLDRwQuNMXbmaeWs1lY6ump2zGbbTwSqmVfGtZVclN:AhjExLDRwQuNMXbreFlWmpUGbbT7GzY
TLSH T17C534A003798CA65E1ED4AF8ACF2950146B1D5372206DB5E7CC814DB9B9FFC64A132EE
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 BlinkzSec
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
CZ CZ
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
ns.exe
Verdict:
Malicious activity
Analysis date:
2025-10-16 09:25:23 UTC
Tags:
rat asyncrat remote dcrat
Link:
https://app.any.run/tasks/d7187a54-c505-4407-a4cf-d9ee0a39bdca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DCRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33049/
Detection(s):
Win.Packed.Razy-9807129-0
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Win.Trojan.AsyncRAT-9914220-0
Create hunting rule

Win.Malware.Zusy-10034587-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f0b8ae0cffb32442984b11
Tags:
dropper virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat obfuscated rat regedit schtasks vbnet
Link:
https://www.filescan.io/uploads/68f0b8c3057c46a471cf0c35/reports/af504b9f-f29c-4718-88a3-786c8444570a/overview
Verdict:
Malicious
Labled as:
Backdoor.Marte.VenomRAT.Generic
Link:
https://www.hybrid-analysis.com/sample/5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-16T06:26:00Z UTC
Last seen:
2025-10-17T07:40:00Z UTC
Hits:
~100
Detections:
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 HEUR:Trojan-PSW.MSIL.Agent.gen Backdoor.DCRat.TCP.C&C Backdoor.Agent.TCP.C&C Trojan.Agentb.TCP.C&C
Link:
https://opentip.kaspersky.com/5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e39ad6c4-4000-4e55-8d3d-6cfe144713ed
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3
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:
CNC: 48.209.82.191
PORT: 1337
Link:
https://app.malva.re/file/a48b850b6c45e196beb6c6eaf6e14eff
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3/
Verdict:
Malicious
Threat:
Family.DCRAT
Link:
https://tip.neiki.dev/file/5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-10-16 08:19:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l77yvkt63je6bqzz7csbl4ky3bapei2eqspsst66rs55f6qaxdzq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
error
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat
Link:
https://tria.ge/reports/251016-lan9zsw1ev/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
48.209.82.191:1337
Verdict:
Malicious
Tags:
Win.Packed.Razy-9807129-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d5d3c960-05f1-444a-bbc3-348b21c632b5
Unpacked files
SH256 hash:
5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3
MD5 hash:
a48b850b6c45e196beb6c6eaf6e14eff
SHA1 hash:
1d261cafc45352a6fa08a598080e92f0a1ec4832
Detections:
AsyncRAT
Create hunting rule
DCRat
Create hunting rule
Link:
https://www.unpac.me/results/779e061c-25a7-4879-9090-294fd1603020/
Malware family:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5fff8aaa7eda/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/5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3

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: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.

Web download

AsyncRAT

Executable exe 5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3679283/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/33049/

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