Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe
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Size
79KB
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MD5
6d494567b0bc72dcfdeb439473b7ffc8
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SHA1
ff78f6c963ab195d62e9c0bd682c4f81f8d1d42f
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SHA256
bba5b1824f78260116e8fe1e2ef5b885b806623b34594a14718111bb5cb23a14
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SHA512
464d53eb4dcc5dcab69ac1ab0950785656655c6c7bbe60914d161e74618b69c081473ea49054c829f7df9edf09c859c15791503d595593866196c73c5b1345be
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktD:X6a+SOtEvwDpjBZYvQd2S
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
asih.exepid process 2984 asih.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exepid process 2260 2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_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.
Processes:
2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exeasih.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exedescription pid process target process PID 2260 wrote to memory of 2984 2260 2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe asih.exe PID 2260 wrote to memory of 2984 2260 2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe asih.exe PID 2260 wrote to memory of 2984 2260 2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe asih.exe PID 2260 wrote to memory of 2984 2260 2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe asih.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_6d494567b0bc72dcfdeb439473b7ffc8_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260 -
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:2984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
79KB
MD51589390b21974ef55cbe4855092e6ccf
SHA105e1461e2451a7a1e9892e82c536b3be646da4f5
SHA256fccdccfada96b8541d9e6afb84d39c85b2d45584efb761ebd63cbd89c7c5028e
SHA512bc3554a83fcd0599a375fef865dcff9fad64116beb4ec82157e1a36c95fa7ad54d8ed152c1ec0db7545f1687a2fb8da92e9f0fa550fe71513a56aa0e7b6ecb03