Analysis
- max time kernel
120s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 23:04
Behavioral task
behavioral1
Sample
c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe
- Size 1.1MB
- Sample260421-22ms8sdw2j
- SHA256 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb
- MD5 aadd4cf0f4c320dbe8599993eefb69f1
- SHA1 c3a2b6f4a1580ce446fc6a3bb9424c47561af738
- SHA512 b079c200711f90f9617e9091412bd78aa9da39db222f515196ad1ac20060946169cb3c2a561b7302f141ba7d9e4ea4d58a22161effc1350b9268622bcd12f4a0
- SSDEEP 24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qv:acallSllG4ZM7QzMi
- TLSH T1D5458D13F292C0F1E61C227124FB6739BE749B450A71CAC7E794DD791C32691ABA720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 3 IoCs
resource yara_rule behavioral1/memory/1824-0-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/1824-11-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/1824-13-0x0000000000400000-0x000000000055F000-memory.dmp flyagent - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000_Classes\Local Settings c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1824 wrote to memory of 2604 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe 85 PID 1824 wrote to memory of 1432 1824 c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.exe"C:\Users\Admin\AppData\Local\Temp\c175ef464143e8cc97fe0c9051c55c1acdb8ad53ac1a03a0cf3f507bad6f7ccb.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
PID:1824 -
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
PID:2604
-
-
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
PID:1432
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
- Size 753B
- SHA256 a31ed1ba4f1cbe703c5592a99cad2c8b898353899b9ae975bd5cc3ce115fbaf4
- MD5 881bddfca3c8a8ad2e6b1e1dca412fdd
- SHA1 0be62cd69f4b2f211b89e32533878d1899f2c768
- SHA512 6931ce68b5d9636216efc64f9cb8e152204586191b213c0228b96c3a05276965697ddd0f291141e68a9e666c79373f17ec31ffd981c200eb9424cc8245bb3c38
- TLSH T12301CB10DD4CC21C907947B52432A84EE7AA2513A303ACE8B899D0B52F7076CACB9A32
- MD5 SHA1 SHA512 TLSH