Analysis
- max time kernel
118s - max time network
95s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 10:51
General
- Target adc52fb38b6718f179f54fdba9f4843d0614d6e5dbba6397e942cf9503526bdb.exe
- Size 1.1MB
- Sample260417-mx84caex4x
- SHA256 adc52fb38b6718f179f54fdba9f4843d0614d6e5dbba6397e942cf9503526bdb
Malware Config
Signatures
- Family: FlyAgent
FlyAgent is a backdoor written in C++.
- Detects FlyAgent Backdoor 10 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
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C:\Users\Admin\AppData\Local\Temp\adc52fb38b6718f179f54fdba9f4843d0614d6e5dbba6397e942cf9503526bdb.exe"C:\Users\Admin\AppData\Local\Temp\adc52fb38b6718f179f54fdba9f4843d0614d6e5dbba6397e942cf9503526bdb.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:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"5⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"6⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"6⤵
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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
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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
svchcst.exe
svchcst.exe
svchcst.exe
memory/1644-108-0x0000000002F90000-0x000000000306A000-memory.dmp
memory/1804-12-0x0000000002660000-0x000000000273A000-memory.dmp
memory/1804-35-0x0000000002660000-0x000000000273A000-memory.dmp
memory/1804-36-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1804-15-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1804-11-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1804-0-0x0000000000400000-0x000000000055F000-memory.dmp
memory/2712-14-0x0000000003010000-0x00000000030EA000-memory.dmp
memory/3152-54-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3152-85-0x00000000024D0000-0x00000000025AA000-memory.dmp
memory/3152-86-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3152-53-0x00000000024D0000-0x00000000025AA000-memory.dmp
memory/3900-13-0x0000000002500000-0x00000000025DA000-memory.dmp
memory/4124-107-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4124-106-0x0000000002500000-0x00000000025DA000-memory.dmp
memory/4660-57-0x00000000028D0000-0x00000000029AA000-memory.dmp
memory/4660-58-0x0000000000FA0000-0x0000000000FAE000-memory.dmp
memory/4660-96-0x00000000067A0000-0x00000000067C0000-memory.dmp
memory/4660-95-0x0000000005230000-0x0000000005238000-memory.dmp
memory/4660-94-0x0000000004FB0000-0x0000000004FC5000-memory.dmp
memory/4768-56-0x0000000002D50000-0x0000000002D5E000-memory.dmp
memory/4768-91-0x0000000005100000-0x0000000005120000-memory.dmp
memory/4768-55-0x0000000002940000-0x0000000002A1A000-memory.dmp
memory/5040-109-0x00000000032A0000-0x000000000337A000-memory.dmp