Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
23-07-2024 13:52
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe
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Size
66KB
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MD5
e602003b2ad117b36b32c7cadc28dfbe
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SHA1
7e686cdc8dd43b87e021909301bfbfe0123074cb
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SHA256
1915f625bee6f35398c5bdc933af3435e40a7da91557703f56f8b20a7a538022
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SHA512
4f53e91a33fbd2353870393d84093d8e0ce8ce784f428d9f1a13f3335a6fc7ec8a270608e3241db89a1f52721e4a97abc54d813da42c801ef2920809de10b1e8
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293W7:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7M
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation 2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation hurok.exe -
Executes dropped EXE 1 IoCs
pid Process 2416 hurok.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3076 wrote to memory of 2416 3076 2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe 84 PID 3076 wrote to memory of 2416 3076 2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe 84 PID 3076 wrote to memory of 2416 3076 2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-23_e602003b2ad117b36b32c7cadc28dfbe_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:2416
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD576c804b46debea18191247b97109dccc
SHA189c5ce251105ec096c63552f277db8407478d04b
SHA256a0ab1b21d2d7470a421d67d15f32f2b47d4a5f801fbcde5ba403336927ad75ce
SHA512fa73ad99fefe8997ac3fa1c21407f1a6ea612cb075b09fc887455a39ff4be4d87260bb05dcab06fc8bea2618e08d1c28b40ac6b22e8400ca144001372d0ca8b3