Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
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Size
45KB
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MD5
e2e92f128f21a5fdee48acf580831991
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SHA1
6488e59666fd745d93d9e1e41e1ea6e227284d8c
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SHA256
78cfc60bb5a66d6b25ca944d46d39b330f739e6701b08d6840ce758470daf211
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SHA512
de671a2faf350e4ac68f197634ef10ed70e7cd19f5de56dab6a5af59171e4cfa52a56ce7b1914f11a125b3c94371316a3e343faf2962dd85715c4f3ee60f0d40
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SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+NY:bm74zYcgT/EkM0ryfjd3WY
Malware Config
Signatures
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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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1196 hasfj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3036 wrote to memory of 1196 3036 2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe 82 PID 3036 wrote to memory of 1196 3036 2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe 82 PID 3036 wrote to memory of 1196 3036 2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036 -
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:1196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD57ac18e95ab9613b9e6c8569510b5fcd7
SHA1765b194d6045653f5584ee991bd833195e849c08
SHA256f9454e461333ad0d173abb37bfe111d0a299d62f7de49a66e31fa4c7ce438a50
SHA5121fbbd88f3649b6f6c2e0fe35a556896c90adf565e43aad6fbd9ce1acd0cb164a83eaf9bd26203582468466975407d9db03214646ce58128a2b42db91c912de06