Analysis
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max time kernel
150s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 03:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe
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Size
74KB
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MD5
2cfeac8ecde3a0990f3ede0159b8229b
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SHA1
5205bb1c8fc1105cbb84060680a90306a8b92675
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SHA256
02947e8e5f551db51108ef9a2f2935b7463f791719e39e14534099fa62c8b9f9
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SHA512
b856bb9a85ec1752c4d96a39629256afae059d0ea19d1fe66dc611955f86aa3ae8946216297812972af1ca6ae68f525dba005f613b4e21281ab91fb9d3d63a73
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SSDEEP
768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zi:9Uj+AIMOtEvwDpjLizbR9Xwzi
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2648 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2668 2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.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 2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2668 wrote to memory of 2648 2668 2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe 30 PID 2668 wrote to memory of 2648 2668 2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe 30 PID 2668 wrote to memory of 2648 2668 2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe 30 PID 2668 wrote to memory of 2648 2668 2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_2cfeac8ecde3a0990f3ede0159b8229b_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2648
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD5609834c4348f65f8d51366110e0b347d
SHA15d4006720d8f4eb643a4f2195104a456cecc367d
SHA2569a16270be35e932a8057140fdec63ca0e96bc141efd3a6277c65c2810c903b57
SHA512234369e7b2587bd5c5b075d88ac7767d31ee2355d141ddcaedb65fddb7f2386bbf17d51532a45f2b5b73e1dc865a45e2bc8c78b06422f9d250487e3ea5a6a83d