Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
26/04/2026, 23:40
General
- Target 7049f82f9ba6e9392637b299ef974d8973b7e7ca3831cbedaeb90099be591f72.exe
- Size 1.4MB
- Sample260426-3pc9psh191
- SHA256 7049f82f9ba6e9392637b299ef974d8973b7e7ca3831cbedaeb90099be591f72
Malware Config
Signatures
- Family: FlyAgent
FlyAgent is a backdoor written in C++.
- Detects FlyAgent Backdoor 6 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 5 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 6 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7049f82f9ba6e9392637b299ef974d8973b7e7ca3831cbedaeb90099be591f72.exe"C:\Users\Admin\AppData\Local\Temp\7049f82f9ba6e9392637b299ef974d8973b7e7ca3831cbedaeb90099be591f72.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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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⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
VBS3.vbs
svchcst.exe
memory/1160-54-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1160-12-0x0000000000C00000-0x0000000000CBF000-memory.dmp
memory/1160-53-0x0000000000C00000-0x0000000000CBF000-memory.dmp
memory/1160-0-0x0000000000400000-0x000000000055F000-memory.dmp
memory/1160-11-0x0000000000400000-0x000000000055F000-memory.dmp
memory/2516-13-0x0000000003090000-0x00000000030A1000-memory.dmp
memory/2516-14-0x00000000030B0000-0x00000000030BE000-memory.dmp
memory/2908-63-0x0000000000400000-0x000000000055F000-memory.dmp
memory/2908-62-0x00000000009B0000-0x0000000000A6F000-memory.dmp
memory/3980-59-0x0000000000400000-0x000000000055F000-memory.dmp
memory/3980-58-0x00000000009B0000-0x0000000000A6F000-memory.dmp
memory/5076-16-0x0000000002F10000-0x0000000002F1E000-memory.dmp
memory/5076-15-0x0000000001600000-0x0000000001611000-memory.dmp