Analysis
- max time kernel
97s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
20/04/2026, 23:16
General
- Target d1f90be9e3f07af59fa1e381d20abea7ee54025e10fc8ec696bbeaa24822f03c.exe
- Size 1.3MB
- Sample260420-285ydsft2n
- SHA256 d1f90be9e3f07af59fa1e381d20abea7ee54025e10fc8ec696bbeaa24822f03c
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\d1f90be9e3f07af59fa1e381d20abea7ee54025e10fc8ec696bbeaa24822f03c.exe"C:\Users\Admin\AppData\Local\Temp\d1f90be9e3f07af59fa1e381d20abea7ee54025e10fc8ec696bbeaa24822f03c.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/1928-13-0x0000000000920000-0x000000000099A000-memory.dmp
memory/1928-25-0x0000000000920000-0x000000000099A000-memory.dmp
memory/3848-10-0x0000000000400000-0x0000000000551000-memory.dmp
memory/3848-11-0x0000000000B50000-0x0000000000BCA000-memory.dmp
memory/3864-12-0x0000000000C60000-0x0000000000CDA000-memory.dmp
memory/3864-24-0x0000000000C60000-0x0000000000CDA000-memory.dmp