Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
19/09/2024, 04:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe
Resource
win7-20240903-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe
Resource
win10v2004-20240802-en
5 signatures
150 seconds
General
- Target 2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe
- Size 76KB
- Sample240919-e3z4ma1cme
- SHA256 b5df78f69ebeaf24a3f2c46474f20b3690d260ec4899434b16bd52cc796e271d
- MD5 6e671544f008ddab6c081af30bed1d02
- SHA1 7a356aa8173e91c65a3dfec7400baa77d8086a48
- SHA512 f5a47646e7257816d530dd6cd0b69d3ebb1911662de0f80c2824c538a831de390f243ccd40354393dc85f7f43357f1abd75219da360e2f2a7afc6b148e6f8a4f
- SSDEEP 1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsi:X6a+SOtEvwDpjBZYvQd2Z
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe - Executes dropped EXE 1 IoCs
pid Process 1900 asih.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 2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 808 wrote to memory of 1900 808 2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe 82 PID 808 wrote to memory of 1900 808 2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe 82 PID 808 wrote to memory of 1900 808 2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_6e671544f008ddab6c081af30bed1d02_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1900
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 77KB
- SHA256 22bda3a3761fa227e19082a911ab3fdee7da2c52e885b44f2046505602d780f6
- MD5 a356fd74bae41adf422f55b8c6e391d9
- SHA1 b180a28a9d915e949794e9360638423c5779985c
- SHA512 bb1a19008c971e9cadc571e77794e4bfdaecf47eae2080cb98039c65249b6cb2b57ddd8593240dee357d28dac3c2345dad30a3a3efae2e367093dd69fd1aebc9
- SSDEEP 1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHs7:X6a+SOtEvwDpjBZYvQd2E
- MD5 SHA1 SHA512 SSDEEP