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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e. 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: 16


Intelligence 16 IOCs 1 YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e
SHA3-384 hash: 6c8cf539425c23628c75b5876fdc3125c4ccc39cd6c1fa83f5cef0fbdfbd75720c472c0944b3a07b64a3ec904d6de012
SHA1 hash: b89821e87eaa89149d11329e20b31cfeb53c54f2
MD5 hash: eef0cfdb8c438b56f7588f6aa22c889b
humanhash: high-muppet-hawaii-batman
File name:EEF0CFDB8C438B56F7588F6AA22C889B.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:13'216'256 bytes
First seen:2026-10-17 09:00:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 5f77bccf23632019202250229664e21b (1 x AsyncRAT)
ssdeep 196608:DP5yP6JJkUIFcKdQSJSnEzv0uRFMCT6+FgcJouRo617kit/RqUU2UrFfQxREdoBF:DREFVSHIFmCT6+ScJoufBRdUrFfkEd
TLSH T187D60110FDCB52F6E803663154E772AF2324AD054F32DB87DA417A6AF9736E60D36209
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
31.6.11.228:7777

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
31.6.11.228:7777 https://threatfox.abuse.ch/ioc/1971085/

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-17 09:07:09 UTC
Tags:
evasion python discord ip-check golang donutloader loader api-base64
Link:
https://app.any.run/tasks/a6a011da-8686-4727-96b8-f6cc9ced2daa

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/92354/
Detection(s):
SecuriteInfo.com.Trojan.Siggen36.5859.14087.12864.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad33acb6f551121ba16a722
Tags:
vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Sending a custom TCP request
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating synchronization primitives
Connection attempt to an infection source
Creating a file in the %AppData% subdirectories
Setting a keyboard event handler
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto evasive golang packed
Link:
https://www.filescan.io/uploads/6ad33937d2b8535d4ad57398/reports/6f0c8e16-c2de-431e-b6f1-ca3deb9911b3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-13T13:12:00Z UTC
Last seen:
2026-10-18T18:24:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f12ef179-30d5-4330-a63d-d009f22cd36c
Result
Threat name:
DonutLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1988340
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Document exploit detected (process start blacklist hit)
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
Sigma detected: HTML Help HH.EXE Suspicious Child Process
Sigma detected: Legitimate Application Dropped Executable
Sigma detected: Legitimate Application Dropped Script
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Unusual module load detection (module proxying)
Yara detected DonutLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1988340 Sample: ml1mev4DjD.exe Startdate: 17/10/2026 Architecture: WINDOWS Score: 100 88 ipapi.co 2->88 90 discord.com 2->90 96 Malicious sample detected (through community Yara rule) 2->96 98 Antivirus / Scanner detection for submitted sample 2->98 100 Multi AV Scanner detection for submitted file 2->100 102 6 other signatures 2->102 14 ml1mev4DjD.exe 2 2->14         started        signatures3 process4 file5 86 C:\ProgramData\OneDrive.exe, PE32 14->86 dropped 17 cmd.exe 1 14->17         started        process6 process7 19 OneDrive.exe 6 17->19         started        23 conhost.exe 17->23         started        file8 68 C:\Users\user\AppData\Local\Temp\hh.exe, PE32+ 19->68 dropped 104 Antivirus detection for dropped file 19->104 106 Multi AV Scanner detection for dropped file 19->106 108 Adds a directory exclusion to Windows Defender 19->108 110 Unusual module load detection (module proxying) 19->110 25 hh.exe 11 19->25         started        29 powershell.exe 23 19->29         started        31 MpCmdRun.exe 2 19->31         started        33 MpCmdRun.exe 1 19->33         started        signatures9 process10 file11 70 C:\Users\user\AppData\Local\Temp\...\test.exe, PE32+ 25->70 dropped 72 C:\Users\user\AppData\Local\...\sound.exe, PE32+ 25->72 dropped 74 C:\Users\user\AppData\Local\Temp\...\main.exe, PE32+ 25->74 dropped 76 C:\Users\user\AppData\Local\Temp\...\9B99.bat, ISO-8859 25->76 dropped 112 Multi AV Scanner detection for dropped file 25->112 114 Document exploit detected (process start blacklist hit) 25->114 35 cmd.exe 1 25->35         started        37 WmiPrvSE.exe 29->37         started        39 conhost.exe 29->39         started        41 conhost.exe 31->41         started        43 conhost.exe 33->43         started        signatures12 process13 process14 45 test.exe 35->45         started        49 conhost.exe 35->49         started        51 sound.exe 35->51         started        file15 78 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 45->78 dropped 80 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 45->80 dropped 82 C:\Users\user\AppData\Local\Temp\...\test.dll, PE32+ 45->82 dropped 84 12 other malicious files 45->84 dropped 116 Multi AV Scanner detection for dropped file 45->116 118 Bypasses PowerShell execution policy 45->118 53 test.exe 45->53         started        signatures16 process17 dnsIp18 92 ipapi.co 104.26.8.44, 443, 49741 CLOUDFLARENET-CloudflareIncUS Canada 53->92 94 discord.com 162.159.135.232, 443, 49742 CLOUDFLARENET-CloudflareIncUS Canada 53->94 56 powershell.exe 53->56         started        58 powershell.exe 53->58         started        60 powershell.exe 53->60         started        process19 process20 62 conhost.exe 56->62         started        64 conhost.exe 58->64         started        66 conhost.exe 60->66         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/eef0cfdb8c438b56f7588f6aa22c889b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e/
Threat name:
Win32.Trojan.Alien
Create hunting rule
Status:
Malicious
First seen:
2026-10-13 18:47:10 UTC
File Type:
PE (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ad5vel4ndgq64p5b2i6flvkrgrcu7oigor2nqnw73eazzfenb2pa._file
Verdict:
malicious
Label(s):
ADMINTOOL_PS2EXE
Create hunting rule
DonutLoader
Create hunting rule
Link:
https://reports.threatray.com/b339854f-e370-4099-a77a-238ec0228851
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:donutloader botnet:go-crypter defense_evasion discovery execution loader rat suricata
Link:
https://tria.ge/reports/261017-kymwdscw7k/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Uses WMI to collect hardware manufacturer information
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Async RAT payload
Detects DonutLoader
Family: AsyncRat
Family: DonutLoader
Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
Unpacked files
SH256 hash:
00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e
MD5 hash:
eef0cfdb8c438b56f7588f6aa22c889b
SHA1 hash:
b89821e87eaa89149d11329e20b31cfeb53c54f2
Link:
https://www.unpac.me/results/82c4990d-6f2e-45a3-913f-39d2a3d393ce/
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/00fb522f8d19/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/00fb522f8d19a1ee3fa1d23c55d55134454fb9067474d836dfd9019c948d0e9e

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:ClearWater_Ransomware
Create hunting rule
Author:Arrbat
Description:Detects ClearWater ransomware using a mix of family-specific names, 7-Zip SFX metadata, and anti-recovery indicators
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:WIN_Malware_Fantom_ForgeAuto_98e6f354_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Fantom (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_30f84f37
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/92354/

Comments