Analysis
-
max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 06:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe
-
Size
46KB
-
MD5
450dbee08dd789dd6159727d6761318d
-
SHA1
c31f983c9ca190e5e1f131f3e28adc1d9b75cc28
-
SHA256
09d70a2bc6254b8e9c2bf00057b27b83ddc3866069e00ff5f5fda9f0155e0cd2
-
SHA512
c2a285cf51b3a88768fbe6e0286ba22b4c05a4dd1ad0d6a80f5057da03ccf757da813a5fbfb68f6f642bee47045afce2540751117cff579d5fc4edca8d058dc5
-
SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqs+ri:bm74zYcgT/EkM0ryfjdnqsZ
Malware Config
Signatures
-
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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1960 hasfj.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 2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4000 wrote to memory of 1960 4000 2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe 82 PID 4000 wrote to memory of 1960 4000 2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe 82 PID 4000 wrote to memory of 1960 4000 2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1960
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
47KB
MD5d600f2e35cbeb82c42728ea4c22049a1
SHA17defdcb8de3a2950d14fc3c22d597b21325d9f53
SHA256a8b22cbe15a1f1b2afa0f38c88cb033b64e69c46144ccf1901959fc94bea8887
SHA512661a150bfe2114d9515bc4d3b9500c5fc9433dd2ab8d9d872311ba22e394af613844f80374aad76ca1d0b4f65250d7ae9142f30df32c09148250031e30f8b198