Analysis
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max time kernel
131s -
max time network
165s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12/01/2024, 06:07
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe
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Size
38KB
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MD5
e87c677b038403c2844cb03fd1591ce2
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SHA1
6611abd095e17d1531488d2001b7aefe98b8ac95
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SHA256
2b1d9e0070a3130a56ccd7e226dbefb1f7a781d7621776f812ae850d1aafe2fc
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SHA512
efb90a0da5be28b74c2b89d2ebf2085ebc3751caacc4c6da60fc04a30becc982878e1d45a9c238f1b9b01baeb3d1a04846e37b0450f6e3afb88d0392dbb15280
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5c+:bgGYcA/53GADw8Clrcv
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2608 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2012 2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2012 wrote to memory of 2608 2012 2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe 29 PID 2012 wrote to memory of 2608 2012 2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe 29 PID 2012 wrote to memory of 2608 2012 2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe 29 PID 2012 wrote to memory of 2608 2012 2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD50cac570bd4e2a432d8a2e3bd5cdcf3ae
SHA122e72347636a70f6e8385150f673cec6fb0bfa8e
SHA256b4de2d603e68ffc54fa2f5f4ef06f5c3c638c87b0ae7bb08030217a7510e1aa3
SHA51259061a392e5c55e188c41d464c6896cf68489503e2d00e78258fc70aeb4397d7638453fee32afba028d9e0b83f9996494c77721a57a0f540e497069c8bea0f69