Analysis
-
max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-10-2024 08:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe
-
Size
63KB
-
MD5
02b33f525c2132a6ad8ad600fdf455b1
-
SHA1
7eb9d71f3e6a802fe9cb17b84979adee75c94ec7
-
SHA256
8ab4e0b3367f5dc473ef3b3d88d72854d56f52d10700abe1b9a5086321a13447
-
SHA512
4e4129b09538355206e1a64d1929258a647551a4a2c8b134cb3672926d0891de1b19e5b2cb7196ed17a1aa9599d03e19659f210f629be7935ddad05251038ad3
-
SSDEEP
1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxD:btng54SMLr+/AO/kIhfoKMHda1
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2820 gewos.exe -
Loads dropped DLL 1 IoCs
pid Process 2008 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 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 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2008 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe 2820 gewos.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2820 2008 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe 30 PID 2008 wrote to memory of 2820 2008 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe 30 PID 2008 wrote to memory of 2820 2008 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe 30 PID 2008 wrote to memory of 2820 2008 2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-06_02b33f525c2132a6ad8ad600fdf455b1_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2820
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD598dbbe3976f09bed5105c361a1f11da7
SHA10b27c6e169d2d8c7eedfda771330fab41af54717
SHA256043f43c7a30747c30565e6eb51c8024017065c07129b493fb4ff096dbbec061f
SHA5124ee9b6b62559fe4e955ccf676866745fdf10797509e47f23c6215465cd8bc8efcc8792fa01b2b9a5fd8e951862192ed983b22147264a2a95807a29980789405d