MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a9a4aa375595da3aa608bb98b471a93551882a2f12488b73af3d323759f80f1. 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 YARA 16 File information Comments

SHA256 hash: 1a9a4aa375595da3aa608bb98b471a93551882a2f12488b73af3d323759f80f1
SHA3-384 hash: dfc6f1ceca466d801df484919e21152b38fe8af0381ac0b585030849d14127fbf6e598c5fb697056982b7859340c84a4
SHA1 hash: 6589fe7229ef453902e30b1c2edf80434c1526e7
MD5 hash: 57aa75bf823eb58062c631f8ac151dd2
humanhash: robin-rugby-may-ohio
File name:1a9a4aa375595da3aa608bb98b471a93551882a2f12488b73af3d323759f80f1
Download: download sample
Signature AsyncRAT
File size:1'046'016 bytes
First seen:2025-04-13 06:49:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 192:hz7LOhUYo7la4lPsPaVKNPlb6jLdujk++HZX3GawsLEifwx0dWNlglFsOWySVSZG:hvAUYo7laDPaYUns
Threatray 1'639 similar samples on MalwareBazaar
TLSH T1F925703DEE1C126F42B7D11CD48A0807F9E05C53673DDC8B62D3264BA956582B8AB3DE
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter JAMESWT_WT
Tags:92-255-85-66 AsyncRAT booking ClickFix exe FakeCaptcha

Intelligence


File Origin
# of uploads :
1
# of downloads :
462
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a9a4aa375595da3aa608bb98b471a93551882a2f12488b73af3d323759f80f1
Verdict:
Malicious activity
Analysis date:
2025-04-13 06:51:16 UTC
Tags:
xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
asyncrat virus micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
zusy
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Status:
Malicious
First seen:
2025-02-20 00:08:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
92.255.85.66:7000
Unpacked files
SH256 hash:
1a9a4aa375595da3aa608bb98b471a93551882a2f12488b73af3d323759f80f1
MD5 hash:
57aa75bf823eb58062c631f8ac151dd2
SHA1 hash:
6589fe7229ef453902e30b1c2edf80434c1526e7
SH256 hash:
75539cacdbcc88678d293dfa90d20cb6b844ac63f107f72a8e1180eeb1d40617
MD5 hash:
be1debf25ec1c1348a5acd4e34d398a4
SHA1 hash:
1475f022e86ce2b3c119eaee9c26d5e08ec07f50
Detections:
win_xworm_w0 XWorm SUSP_NET_Large_Static_Array_In_Small_File_Jan24 win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT MALWARE_Win_XWorm
SH256 hash:
0d0da6dc9386f17c30a6d7fcc9ff7458cce2a7b1feef7b2329d49e61ddfda639
MD5 hash:
39ab5a4da312d35be8b9d017ffd5075f
SHA1 hash:
547c10b07b94f4d9c74600eaf5038c5bbf621a73
Detections:
win_xworm_w0 XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT MALWARE_Win_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: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: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:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments