Analysis
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max time kernel
149s -
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
06/09/2024, 02:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe
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Size
45KB
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MD5
8780fc6cea8986eacb5445cd1d604a43
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SHA1
38bd559d145e842506ad4166d770d1499dbc7de3
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SHA256
ba0ee2f998d5ba334991b3f75ddae335a265154e59c1357baf0471e9d31088c5
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SHA512
6c574ade3fa23fd0778dfb72434ac99d5acb60f0691221483ecea0c2ed2a35037bc51483cae893a4646b6adef17dc80054c30c7f99a46ab94e8dbe456aa09f31
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP+4R:P6QFElP6k+MRQMOtEvwDpjBQpVX+R
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 972 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 2024-09-06_8780fc6cea8986eacb5445cd1d604a43_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 960 wrote to memory of 972 960 2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe 84 PID 960 wrote to memory of 972 960 2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe 84 PID 960 wrote to memory of 972 960 2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:960 -
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:972
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5691472fbf79014a4ddf97229aa01777e
SHA12862ddfc980dfba3ab69533cd552ad9dd34959d4
SHA256c194b9517ee1684f4520690546c327e9ca693db227102e0e39306256559c8a13
SHA5129a715540c71539ee7b8e4128b04d2df68de17169a1226c3550fb6cf8c4dc94f959cfffffea8c3c533dad18f93f8bfbe145e50ba48cc3353fb034e1b3a135d4ec