Analysis
- max time kernel
74s - max time network
97s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 23:04
General
- Target c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe
- Size 1.1MB
- Sample260421-22ms8sdw2j
- SHA256 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb
Malware Config
Signatures
- Family: FlyAgent
FlyAgent is a backdoor written in C++.
- Detects FlyAgent Backdoor 8 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe"C:\Users\Admin\AppData\Local\Temp\c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.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
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C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"3⤵
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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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C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
VBS3.vbs
svchcst.exe
memory/1632-14-0x0000000000C60000-0x0000000000CB1000-memory.dmp
memory/2656-40-0x0000000000400000-0x000000000055F000-memory.dmp
memory/2656-44-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3088-0-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3088-12-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3088-35-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4784-39-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4784-42-0x0000000000400000-0x000000000055F000-memory.dmp
memory/4928-13-0x0000000002DB0000-0x0000000002E01000-memory.dmp