Analysis
- max time kernel
84s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
18/04/2026, 19:10
General
- Target de06cb0dc298cdd5b0058f346f4411465504cdea6444310d2d641ddbda0c3dc8.exe
- Size 1.1MB
- Sample260418-xvertsd151
- SHA256 de06cb0dc298cdd5b0058f346f4411465504cdea6444310d2d641ddbda0c3dc8
Malware Config
Signatures
- Family: FlyAgent
FlyAgent is a backdoor written in C++.
- Detects FlyAgent Backdoor 12 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 5 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\de06cb0dc298cdd5b0058f346f4411465504cdea6444310d2d641ddbda0c3dc8.exe"C:\Users\Admin\AppData\Local\Temp\de06cb0dc298cdd5b0058f346f4411465504cdea6444310d2d641ddbda0c3dc8.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
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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"4⤵
- 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"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- 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"6⤵
- 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"6⤵
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"7⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"8⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"8⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"8⤵
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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
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Config.ini
VBS3.vbs
VBS3.vbs
VBS3.vbs
VBS3.vbs
svchcst.exe
svchcst.exe
svchcst.exe
memory/1072-12-0x0000000000AE0000-0x0000000000B5C000-memory.dmp
memory/1072-23-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1072-0-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1072-11-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1408-69-0x0000000000A00000-0x0000000000A7C000-memory.dmp
memory/1408-75-0x0000000000A00000-0x0000000000A7C000-memory.dmp
memory/1408-89-0x0000000004E00000-0x0000000004E68000-memory.dmp
memory/1576-68-0x0000000000CD0000-0x0000000000D4C000-memory.dmp
memory/1576-87-0x00000000050A0000-0x0000000005108000-memory.dmp
memory/1576-74-0x0000000000CD0000-0x0000000000D4C000-memory.dmp
memory/1660-66-0x0000000000AD0000-0x0000000000B4C000-memory.dmp
memory/1660-83-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1660-67-0x0000000000400000-0x000000000055F000-memory.dmp
memory/2040-22-0x0000000000D10000-0x0000000000D8C000-memory.dmp
memory/2040-14-0x0000000000D10000-0x0000000000D8C000-memory.dmp
memory/2252-42-0x0000000000BE0000-0x0000000000C5C000-memory.dmp
memory/2252-48-0x0000000000BE0000-0x0000000000C5C000-memory.dmp
memory/2476-13-0x0000000000B20000-0x0000000000B9C000-memory.dmp
memory/2476-21-0x0000000000B20000-0x0000000000B9C000-memory.dmp
memory/2716-105-0x00000000013B0000-0x000000000142C000-memory.dmp
memory/3360-103-0x00000000014E0000-0x000000000155C000-memory.dmp
memory/3364-104-0x0000000000BF0000-0x0000000000C6C000-memory.dmp
memory/3576-101-0x00000000009C0000-0x0000000000A3C000-memory.dmp
memory/3576-102-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3948-27-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3948-41-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3948-40-0x00000000007A0000-0x000000000081C000-memory.dmp
memory/3948-51-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4396-43-0x00000000010D0000-0x000000000114C000-memory.dmp
memory/4396-56-0x00000000054F0000-0x0000000005558000-memory.dmp
memory/4396-49-0x00000000010D0000-0x000000000114C000-memory.dmp