Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 17:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe
Resource
win7-20231215-en
General
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Target
2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe
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Size
46KB
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MD5
d62f04daf8a916aba6fa404fe18835a5
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SHA1
96580256d98de70a7e49ca5593cfea26d17da332
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SHA256
b0b814fc7085583a9adc41e3402e3349913ebeeccee99845dcb9391d51e5d8c3
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SHA512
9f0bcddfa43e3b9b8e846a5bd7b183b0c968d2b6d3d85a5c2aaad5424c556d0d924f83f785b14f9af5d1576b04879d2c2e2cc371ff9f6321619e6a696ab2c774
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hDd:bgGYcA/53GAA6y37nbp
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\hasfj.exe CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
Processes:
hasfj.exepid process 2328 hasfj.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exepid process 2548 2024-01-25_d62f04daf8a916aba6fa404fe18835a5_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
Processes:
2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exedescription pid process target process PID 2548 wrote to memory of 2328 2548 2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe hasfj.exe PID 2548 wrote to memory of 2328 2548 2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe hasfj.exe PID 2548 wrote to memory of 2328 2548 2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe hasfj.exe PID 2548 wrote to memory of 2328 2548 2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe hasfj.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d62f04daf8a916aba6fa404fe18835a5_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2328
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD5f1b0a009eb2c2de6827bebdb65603b1c
SHA11dc06afe6dd238939acb24c385a8af515066be8d
SHA256589e17dfcbcab9292c00eb184febcb9a2d085efc7cfa3347af9d4e8fdf3c78f9
SHA5128221f4e6cd4698e13765e9288d2c31833a16b0745792793c22822a5b4100433382ca43142a18b6e30db211e50d035d5bab98e8f1235f74b2dcdc38434dd2a8cd