Analysis
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max time kernel
150s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
30/03/2025, 16:01
General
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Target
LYdlq.exe
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Size
138KB
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MD5
c7a8c4ebf18c5d5b4c06bdfdacd4c8f0
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SHA1
d25db0d0a267dd753ce85ab27d23f11545852679
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SHA256
7a21021900e30cfc62c447a8407301cd98f659e1b453b0070b2ee653279553c0
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SHA512
a2093d2bdd09121b57dc1561cd8c55730353b81c8474d0676bf6f8ecf7f5f5725814f3fa45b6801eb967d52a957b53c7db1ba5e954abd94cfe4c55245b2dcaab
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SSDEEP
3072:PW62gp7fl2fHrV3hUJ654M8v27qb02QxH21MUW:+ZMDl+rVwlMuy92QU2R
Malware Config
Signatures
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Gh0st RAT payload 1 IoCs
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Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
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Gh0strat family
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Deletes itself 1 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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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 13 IoCs
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Suspicious use of FindShellTrayWindow 25 IoCs
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Suspicious use of SendNotifyMessage 16 IoCs
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Suspicious use of WriteProcessMemory 4 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\LYdlq.exe"C:\Users\Admin\AppData\Local\Temp\LYdlq.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\LYdlq.exe > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\svchest.exeC:\Windows\SysWOW64\svchest.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\explorer.exeexplorer.exe1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
138KB
MD5c7a8c4ebf18c5d5b4c06bdfdacd4c8f0
SHA1d25db0d0a267dd753ce85ab27d23f11545852679
SHA2567a21021900e30cfc62c447a8407301cd98f659e1b453b0070b2ee653279553c0
SHA512a2093d2bdd09121b57dc1561cd8c55730353b81c8474d0676bf6f8ecf7f5f5725814f3fa45b6801eb967d52a957b53c7db1ba5e954abd94cfe4c55245b2dcaab
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Filesize
64KB