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
21/11/2024, 09:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe
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Size
44KB
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MD5
f651d7d2017cfb641e7da0a08c9bbc06
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SHA1
aa0bf7ceae369af10f5dc1d78d9edac0c48b641b
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SHA256
0d83b103cc0023b121aad7abd2216db15e65cb6455c859aeb1b69b69fd9cf186
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SHA512
bbae5229fceb71bca028ba36fa980e673cc901f5cfd0d59dc642114c375ea5a5812bb6b4a91ef4fb96aa9c85e8fb5b40657b84febf29e3b273e0ae82d06adade
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TWu:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLP
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3512 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 2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_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 4884 wrote to memory of 3512 4884 2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe 83 PID 4884 wrote to memory of 3512 4884 2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe 83 PID 4884 wrote to memory of 3512 4884 2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_f651d7d2017cfb641e7da0a08c9bbc06_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884 -
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:3512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD591f51f75fb47db9e2f5056e019ebcfbb
SHA1e12a2f74d5c103dfee9ab9461335633b1c9bda47
SHA2569fed224a7edef48ca294f96bec7c8012df5c03743e0ee33eea27af9b3218644f
SHA51271fae8125433ed79d0e0562f6511595c70f8c9d77165bb4dd7d4928ac064e100e1b1747befe6a6f2d583398cde114722e5d9757d482e8698d06fddc03deddb11