Analysis
-
max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 04:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe
-
Size
46KB
-
MD5
4846be785d2f3387d8e1e9b928e1d265
-
SHA1
b229f584930b3509bef6f5bbad292fd7ae60012e
-
SHA256
492429a243ceaed1c36be1b244e4c28bda46d7445a6564320c9715a9312a03cd
-
SHA512
804ecef24bf9d2e22fddfa854f254345c3b1ac9c87c38180724de94b9afce8b5bf5a37180fcea5e87592b800e3ceb1afab2aadff89d25f292a405266ed8a0080
-
SSDEEP
768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zl:bF/y2lFizbR9Xwzl
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2952 rewok.exe -
Loads dropped DLL 1 IoCs
pid Process 2280 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_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 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rewok.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2280 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe 2952 rewok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2952 2280 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe 30 PID 2280 wrote to memory of 2952 2280 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe 30 PID 2280 wrote to memory of 2952 2280 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe 30 PID 2280 wrote to memory of 2952 2280 2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2952
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46KB
MD5fa85d8f25103feed0e1d337f30ed33b8
SHA10b3267a0695d4c20c878e01775e2d06f829b9709
SHA2564b953dcbc85b8d162cffd5c996356967673996b96304e81d3dec742f8a8e6a3b
SHA5123de363ea9506e6b22169ab4147e2d22b0f917bff040ab50cb1edc8083eb9b84199d6829bae843fbd3c2a3df0edfec88e4eb2ddc22be62cda66ba91441827dd0b