MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3ffac3fec0bcd459419c862771088b3456672a9139b04515a689bfef0417901. 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 18 File information Comments

SHA256 hash: a3ffac3fec0bcd459419c862771088b3456672a9139b04515a689bfef0417901
SHA3-384 hash: a1fdd487fe4677004a5909f9e55037fbcf249e3a0fb7db99c570dda7eba8913a69aec04081bd9da51c18de5b376b0218
SHA1 hash: a1d2b51343733294579893d1994a03804e5c84f2
MD5 hash: f94a64190d6c172ce5eb9779085fa16b
humanhash: nuts-lithium-charlie-north
File name:a3ffac3fec0bcd459419c862771088b3456672a9139b04515a689bfef0417901
Download: download sample
Signature AsyncRAT
File size:75'776 bytes
First seen:2025-09-12 07:00:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 1536:AVudCtzRumx+xrb+i/Av2i2n+bUnx6w2uDxd6UH0K+FDOCTvEIqgh:AVdKr3/Av2F+bUxd2kkUUlFDOMMOh
Threatray 1'885 similar samples on MalwareBazaar
TLSH T162736D283BE64119F1FFAFF09AF57552D67EB2132903D66F2089034B4613A89CD815FA
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 JAMESWT_WT
Tags:193-26-115-125 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
160
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3ffac3fec0bcd459419c862771088b3456672a9139b04515a689bfef0417901
Verdict:
Malicious activity
Analysis date:
2025-09-12 07:03:27 UTC
Tags:
xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
asyncrat keylog remo word
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 bladabindi config-extracted fingerprint njrat obfuscated obfuscated reconnaissance unsafe vbnet xworm xworm
Verdict:
Malicious
File Type:
exe x32
First seen:
2024-12-21T03:53:00Z UTC
Last seen:
2024-12-21T03:53:00Z UTC
Hits:
~10
Verdict:
XWorm
YARA:
15 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.96 Win 32 Exe x86 XWorm
Malware Config
C2 Extraction:
CNC: unknownhk1.duckdns.org
PORT: 8080
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2024-12-20 03:08:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 36 (83.33%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
unknownhk1.duckdns.org:8080
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Unpacked files
SH256 hash:
a3ffac3fec0bcd459419c862771088b3456672a9139b04515a689bfef0417901
MD5 hash:
f94a64190d6c172ce5eb9779085fa16b
SHA1 hash:
a1d2b51343733294579893d1994a03804e5c84f2
Detections:
win_xworm_w0 XWorm
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
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:NETexecutableMicrosoft
Author:malware-lu
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: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:win32_xworm
Author:Reedus0
Description:Rule for detecting XWorm malware
Rule name:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Comments