Analysis
- max time kernel
95s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
21/04/2026, 22:55
General
- Target e89f3e8a1b1eaec073c43b2bbb348829cecd85f13bd94db5f918ad549e5bc92a.exe
- Size 1.3MB
- Sample260421-2wcfbadv5k
- SHA256 e89f3e8a1b1eaec073c43b2bbb348829cecd85f13bd94db5f918ad549e5bc92a
Score
10/10
Malware Config
Signatures
- Family: FlyAgent
FlyAgent is a backdoor written in C++.
- Detects FlyAgent Backdoor 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
-
C:\Users\Admin\AppData\Local\Temp\e89f3e8a1b1eaec073c43b2bbb348829cecd85f13bd94db5f918ad549e5bc92a.exe"C:\Users\Admin\AppData\Local\Temp\e89f3e8a1b1eaec073c43b2bbb348829cecd85f13bd94db5f918ad549e5bc92a.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- 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"2⤵
- System Location Discovery: System Language Discovery
-
-
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
VBS3.vbs
memory/1764-12-0x0000000003880000-0x00000000038E3000-memory.dmp
memory/3676-10-0x0000000000400000-0x0000000000551000-memory.dmp
memory/3676-11-0x0000000000B10000-0x0000000000C30000-memory.dmp
memory/3676-23-0x0000000000B10000-0x0000000000C30000-memory.dmp
memory/3676-36-0x0000000000B10000-0x0000000000C30000-memory.dmp
memory/3676-64-0x0000000000B10000-0x0000000000C30000-memory.dmp
memory/4764-13-0x0000000002C80000-0x0000000002CE3000-memory.dmp