Analysis
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max time kernel
52s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22/11/2024, 03:03
General
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Target
XClient.exe
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Size
39KB
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MD5
bc66e4663ecc5fe2d5c1ffb6399e828a
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SHA1
95ef4b4ebecde00da0a3c6630a3556fb19b46a1a
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SHA256
7c2910c7548a6fd1fe7eeacb7c24105a7049b670f1de0f5dbbe718e1d3cd3c70
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SHA512
1334e5d14e5f85a2dbead8b566e5e78748b857e25da313a544699d6d5fcbf400d70619c41f3e1d56cd57006002f8a4ba8c7a21002fd6412dae54470087cca0d9
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SSDEEP
768:Lz6nA3MxG5g8y5AcksKyJjL77FWPa9X2OwhAaG8r:/6nUuf5A72Fv9X2Ow6T8r
Malware Config
Extracted
xworm
5.0
127.0.0.1:2068
6oJ1GSe3avoqc597
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Install_directory
%AppData%
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install_file
FileExplorer.exe
Signatures
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Detect Xworm Payload 2 IoCs
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Xworm
Xworm is a remote access trojan written in C#.
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Xworm family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 30 IoCs
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Suspicious use of AdjustPrivilegeToken 8 IoCs
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Suspicious use of FindShellTrayWindow 48 IoCs
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Suspicious use of SendNotifyMessage 48 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "FileExplorer" /tr "C:\Users\Admin\AppData\Roaming\FileExplorer.exe"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Users\Admin\AppData\Roaming\FileExplorer.exeC:\Users\Admin\AppData\Roaming\FileExplorer.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
39KB
MD5bc66e4663ecc5fe2d5c1ffb6399e828a
SHA195ef4b4ebecde00da0a3c6630a3556fb19b46a1a
SHA2567c2910c7548a6fd1fe7eeacb7c24105a7049b670f1de0f5dbbe718e1d3cd3c70
SHA5121334e5d14e5f85a2dbead8b566e5e78748b857e25da313a544699d6d5fcbf400d70619c41f3e1d56cd57006002f8a4ba8c7a21002fd6412dae54470087cca0d9
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Filesize
798B
MD5009a4bf3c47be86b98d3fb448eacdc94
SHA1e6ec8191bc8e81894c7236237b92ec583d40b9e9
SHA256b634246042d3c21796b65a90b7877635414e45b68c3c94aa3dca7fdc1054e9be
SHA512e514e12bbf9e2269adb8ecc3daf6b2032f00aab328666de9bfaa4594b2abdb6b818e4e5ec5a6cc548ee8aced745b4b60a8753a2a86e26e982fc05abc8de62452
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Filesize
8KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB