MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab. 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 25 File information Comments 1

SHA256 hash: 433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab
SHA3-384 hash: 408ff3092b638bf06264a2846b016b73aee9ce133ab4cdb774132a290f0c55bd859d1ccd3712a7d0a635d55468d7f7fd
SHA1 hash: 2d40395cbe3543f815309a654ccc11a6b747e56f
MD5 hash: b886c8d8978442b453b7e0c7b8859a67
humanhash: delaware-earth-connecticut-harry
File name:Opera.exe
Download: download sample
Signature AsyncRAT
File size:61'952 bytes
First seen:2026-01-15 08:58:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'003 x AgentTesla, 19'911 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 1536:suQDZTnl672344EaxSEbSXSFKyUVdtbnkTU+6:suQVTno72oSSEbSIKrVbbkb6
Threatray 1'862 similar samples on MalwareBazaar
TLSH T19E535C103BE9822BF2BE4F785CF2624545BEB5636603D54E1CC411974A23FC6DA42AFE
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
dhash icon f8cc86969686cce0 (26 x AgentTesla, 1 x Loki, 1 x QuasarRAT)
Reporter Anonymous
Tags:AsyncRAT botnet c2 exe


Avatar
Anonymous
This sample was analyzed on VirusTotal and is widely detected as AsyncRAT.

VirusTotal SHA-256:
433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab

VirusTotal detection page:
https://www.virustotal.com/gui/file/433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab

49 out of 71 security vendors flagged this file as malicious.

Popular threat labels:
trojan.asyncrat / msil

Multiple engines detect this file as:
- MSIL/AsyncRAT
- Backdoor.MSIL
- RAT (Remote Access Trojan)

Dynamic sandbox verdicts on VirusTotal:
- Zenbox: MALWARE TROJAN EVADER RAT
- CAPE Sandbox: RAT

IDS and network detection:
- Abuse.ch JA3 fingerprint detected: AsyncRAT
- TLS fingerprint matches known AsyncRAT C2 traffic

This confirms the uploaded file is a malicious AsyncRAT botnet client used for command-and-control activity.

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
Origin country :
VN VN
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
Malware family:
asyncrat
ID:
1
File name:
_433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab.exe
Verdict:
Malicious activity
Analysis date:
2026-01-15 08:59:49 UTC
Tags:
auto-reg asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat base64 config-extracted fareit fingerprint lolbin obfuscated packed razy reconnaissance reg samas schtasks vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-15T06:14:00Z UTC
Last seen:
2026-01-16T14:08:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.d HEUR:Backdoor.MSIL.SheetRat.gen Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b PDM:Trojan.Win32.Tasker.cust
Gathering data
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2026-01-15 08:58:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:internetbrowser defense_evasion discovery execution persistence rat
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
candanchucd.gb.net:6606
candanchucd.gb.net:7707
candanchucd.gb.net:8808
candanchucd.gb.net:443
candanchucd.gb.net:80
candanchucd.gb.net:4444
candanchucd.gb.net:5555
candanchucd.gb.net:8080
candanchucd.gb.net:1604
candanchucd.gb.net:1337
www.candanchucd.gb.net:6606
www.candanchucd.gb.net:7707
www.candanchucd.gb.net:8808
www.candanchucd.gb.net:443
www.candanchucd.gb.net:80
www.candanchucd.gb.net:4444
www.candanchucd.gb.net:5555
www.candanchucd.gb.net:8080
www.candanchucd.gb.net:1604
www.candanchucd.gb.net:1337
qtm.uk.com:6606
qtm.uk.com:7707
qtm.uk.com:8808
qtm.uk.com:443
qtm.uk.com:80
qtm.uk.com:4444
qtm.uk.com:5555
qtm.uk.com:8080
qtm.uk.com:1604
qtm.uk.com:1337
www.qtm.uk.com:6606
www.qtm.uk.com:7707
www.qtm.uk.com:8808
www.qtm.uk.com:443
www.qtm.uk.com:80
www.qtm.uk.com:4444
www.qtm.uk.com:5555
www.qtm.uk.com:8080
www.qtm.uk.com:1604
www.qtm.uk.com:1337
cuesta.us.com:6606
cuesta.us.com:7707
cuesta.us.com:8808
cuesta.us.com:443
cuesta.us.com:80
cuesta.us.com:4444
cuesta.us.com:5555
cuesta.us.com:8080
cuesta.us.com:1604
cuesta.us.com:1337
www.cuesta.us.com:6606
www.cuesta.us.com:7707
www.cuesta.us.com:8808
www.cuesta.us.com:443
www.cuesta.us.com:80
www.cuesta.us.com:4444
www.cuesta.us.com:5555
www.cuesta.us.com:8080
www.cuesta.us.com:1604
www.cuesta.us.com:1337
pyx.uk.com:6606
pyx.uk.com:7707
pyx.uk.com:8808
pyx.uk.com:443
pyx.uk.com:80
pyx.uk.com:4444
pyx.uk.com:5555
pyx.uk.com:8080
pyx.uk.com:1604
pyx.uk.com:1337
www.pyx.uk.com:6606
www.pyx.uk.com:7707
www.pyx.uk.com:8808
www.pyx.uk.com:443
www.pyx.uk.com:80
www.pyx.uk.com:4444
www.pyx.uk.com:5555
www.pyx.uk.com:8080
www.pyx.uk.com:1604
www.pyx.uk.com:1337
byu.cn.com:6606
byu.cn.com:7707
byu.cn.com:8808
byu.cn.com:443
byu.cn.com:80
byu.cn.com:4444
byu.cn.com:5555
byu.cn.com:8080
byu.cn.com:1604
byu.cn.com:1337
www.byu.cn.com:6606
www.byu.cn.com:7707
www.byu.cn.com:8808
www.byu.cn.com:443
www.byu.cn.com:80
www.byu.cn.com:4444
www.byu.cn.com:5555
www.byu.cn.com:8080
www.byu.cn.com:1604
www.byu.cn.com:1337
zx888.us.org:6606
zx888.us.org:7707
zx888.us.org:8808
zx888.us.org:443
zx888.us.org:80
zx888.us.org:4444
zx888.us.org:5555
zx888.us.org:8080
zx888.us.org:1604
zx888.us.org:1337
www.zx888.us.org:6606
www.zx888.us.org:7707
www.zx888.us.org:8808
www.zx888.us.org:443
www.zx888.us.org:80
www.zx888.us.org:4444
www.zx888.us.org:5555
www.zx888.us.org:8080
www.zx888.us.org:1604
www.zx888.us.org:1337
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9625918-0
YARA:
AsyncRat_Payload JPCERTCC_Asyncrat Windows_Generic_Threat_ce98c4bc asyncrat malware_asyncrat win_asyncrat_unobfuscated
Unpacked files
SH256 hash:
433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab
MD5 hash:
b886c8d8978442b453b7e0c7b8859a67
SHA1 hash:
2d40395cbe3543f815309a654ccc11a6b747e56f
Detections:
win_asyncrat_w0 AsyncRAT
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat_kingrat
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Sus_CMD_Powershell_Usage
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
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
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
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
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
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

Executable exe 433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab

(this sample)

Comments



Avatar
commented on 2026-01-15 09:01:06 UTC

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

{
"sha256": "433aa1a20e6ecbe0a72255ec7528f2a4cd7ce42ae5973e1f1b69ec26f9d767ab",
"yara_possible_family": "asyncrat",
"key": "73a1f68fb2a7e997271d0695bfd90fd9a127bb59310e99c337b4b61065e53bb0",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"Ports": [
"6606",
"7707",
"8808",
"443",
"80",
"4444",
"5555",
"8080",
"1604",
"1337"
],
"Hosts": [
"candanchucd.gb.net",
"www.candanchucd.gb.net",
"qtm.uk.com",
"www.qtm.uk.com",
"cuesta.us.com",
"www.cuesta.us.com",
"pyx.uk.com",
"www.pyx.uk.com",
"byu.cn.com",
"www.byu.cn.com",
"zx888.us.org",
"www.zx888.us.org"
],
"Version": "0.5.8",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "Opera.exe",
"Key": "NGk1b3NLanVGV0JvN3Y5dVBiaVRIeG1ZeDBtbTZyVms=",
"Mutex": "jwiR3PAdgUo3",
"Certificate": "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",
"Serversignature": "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",
"Anti": "false",
"Pastebin": "null",
"BDOS": "false",
"Hwid": "null",
"Delay": "3",
"Group": "InternetBrowser"
}
}