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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
10/10/2024, 16:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe
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Size
85KB
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MD5
d8a5089435ac8a79dca1070a4ac6da31
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SHA1
372cdff66fb49d90a743bbcc2b72862821f47722
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SHA256
d9da5dc8eeab6e3152045d7cad5ae3e1bf1198f177f14da0de342697dbbed5ac
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SHA512
3f7e48beead652ab3d5f6f3b448e044dbcda91842c1540ac739eed519c5522cd6c510f335fff0750c0d3b0786fc039ea7daf95937d3ebb592a2dd0812a6bdc26
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRX6:xj+VGMOtEvwDpjubwQEIq
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2856 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2640 2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_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 2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_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 2640 wrote to memory of 2856 2640 2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe 30 PID 2640 wrote to memory of 2856 2640 2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe 30 PID 2640 wrote to memory of 2856 2640 2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe 30 PID 2640 wrote to memory of 2856 2640 2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-10_d8a5089435ac8a79dca1070a4ac6da31_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640 -
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:2856
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD5b25c0bde9c574590027ebfac43e14646
SHA1071ba3610f3850080535f63160e866830c07a32b
SHA25662472be0eda27b1ab892411f63a151ff7a021657604365117cde0f7772dbea43
SHA5128f1ae74d56c80dee56c73e2f7c98d89917ee008e3de6438f89f9c3b461ff952b717bbac38fe45d96fc4f68944a42354708365af4a812bb720916a891f37b83fd