Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2024 05:48
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe
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Size
48KB
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MD5
fb5b0225da15727f67d29a5b477d3d10
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SHA1
e47423c08ff5aea73250ced9e26590e9cdf1b44a
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SHA256
f1a5b06869ae1638bbad3e5786d0340affdbaca4c540186aab0f4206330a517a
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SHA512
323830aab742e3d905f7e05c210c2d01e0f2432695b3159a44e5660dde315a2d454526225386d5cda9e8bdaa898c4c88796764802b70f9166caf4c5cd8dc1b2f
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SSDEEP
768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITYaW:26Q0ElP6G+gBQMOtEvwDpjgWMl7TYaW
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3784 asih.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 2024-10-13_fb5b0225da15727f67d29a5b477d3d10_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 4576 wrote to memory of 3784 4576 2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe 85 PID 4576 wrote to memory of 3784 4576 2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe 85 PID 4576 wrote to memory of 3784 4576 2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4576 -
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:3784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5399581aaac05a87dd204a50a015094a0
SHA18e8e9396e2c5383e4a58696bfbf561dc7d20b6fb
SHA2563c8e756b1be387fc3953a53d8bb60bb087fb72534eb76e4a5f04ba4adc2a064f
SHA5129bc7438d65a74015eb33bba55cc641ba1609763c7314a366acebaed219e8a847d6a2f195632d8c3ad951e73f0bd3266fb10af7e1f1c6983d79b93c18bc6a9d96