Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:15
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
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Size
33KB
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MD5
ca5001140be8e1cff1bbe2db54d3ea2d
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SHA1
357a118d857692705f9172fc05da4b35a79dd15c
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SHA256
6ab5f324be6ee715f37aec3dd32ab39d0c3cf87193536f21ed2707fcaafad23b
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SHA512
669e64fa8993a9bf1e9c15e08d1a227c7b0c91ba1f316d3815b198681e2650f1ab66ffee7235fa39c939d8dbc79136a1078b2a5ad43abb10e823552f6fc49a41
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SSDEEP
384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXua3:bG74zYcgT/Ekd0ryfj2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2776 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2720 2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_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 2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2776 2720 2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe 29 PID 2720 wrote to memory of 2776 2720 2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe 29 PID 2720 wrote to memory of 2776 2720 2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe 29 PID 2720 wrote to memory of 2776 2720 2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD52c390421053ada5b6977a2e4d7372692
SHA1d69921a23d0ddbaf1ca341139060fbce46351c8b
SHA2565690b98412c4433723752c076cadbcb215f161d2922364d3d7f3a00ebc7ff099
SHA5126b4e010df3d1f09b04a7c3bddfea48524bf95a438817ad63345ecb23a88f40e36ff96621894dd6c7625bad7ba6c22d83bbe15ff822c27a97cbcf0f3df6bbb26e