Analysis
- max time kernel
121s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 22:12
General
- Target 14a3f959b9660fb4db972b53c83b0b7f06a83e121cf8884dabc4d47a06704395.exe
- Size 1.4MB
- Sample260417-14sltscx21
- SHA256 14a3f959b9660fb4db972b53c83b0b7f06a83e121cf8884dabc4d47a06704395
Score
10/10
Malware Config
Signatures
- Family: FlyAgent
FlyAgent is a backdoor written in C++.
- Detects FlyAgent Backdoor 6 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\14a3f959b9660fb4db972b53c83b0b7f06a83e121cf8884dabc4d47a06704395.exe"C:\Users\Admin\AppData\Local\Temp\14a3f959b9660fb4db972b53c83b0b7f06a83e121cf8884dabc4d47a06704395.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"4⤵
- System Location Discovery: System Language Discovery
-
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Config.ini
VBS3.vbs
VBS3.vbs
svchcst.exe
memory/1772-30-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4708-32-0x00000000010F0000-0x00000000010FE000-memory.dmp
memory/4904-31-0x0000000003930000-0x000000000393E000-memory.dmp
memory/4924-0-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4924-11-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4924-12-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4924-17-0x0000000000400000-0x000000000055F000-memory.dmp