Analysis
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max time kernel
127s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
23-08-2023 17:03
Static task
static1
Behavioral task
behavioral1
Sample
7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe
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Size
59KB
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MD5
7a65dac7013b6c902bd8f105f80c5b09
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SHA1
736274077f8cca1af47703ea7cabaa9f90e517ba
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SHA256
c7485384680ea51f3a8c2902b78e366c183ee5c459acd80708ea6d5853148b4f
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SHA512
7c0b227a01c88255a7bb59ddbcf4e63996e2d650275da120bd5b9a8a3876d237f76c93c2eb50100e68ddc4c4cb5ed6d03baf4a5bd9c5a61b854813cd12bd015c
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudTYTjipvF2of:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7i
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5064 hurok.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2380 wrote to memory of 5064 2380 7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe 83 PID 2380 wrote to memory of 5064 2380 7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe 83 PID 2380 wrote to memory of 5064 2380 7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\7a65dac7013b6c902bd8f105f80c5b09_cryptolocker_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
PID:5064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
59KB
MD597a36ba5df3f0bea886252bb4a84e68e
SHA1170b89725352bb29c8ea0bc971d57d330211e208
SHA256a65050ad430eb35b79ad2046f6fb216e8662f7dfaa4427218f47c403c99cacdd
SHA51271c28fd2837f2d9d2105b0c9abb2eafb1ee7bd510635b194820bc4a73a28cfd990af58ad62fbcc419cc25c8a905473a81303b8ce0a397323c52132a633ba9294
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Filesize
59KB
MD597a36ba5df3f0bea886252bb4a84e68e
SHA1170b89725352bb29c8ea0bc971d57d330211e208
SHA256a65050ad430eb35b79ad2046f6fb216e8662f7dfaa4427218f47c403c99cacdd
SHA51271c28fd2837f2d9d2105b0c9abb2eafb1ee7bd510635b194820bc4a73a28cfd990af58ad62fbcc419cc25c8a905473a81303b8ce0a397323c52132a633ba9294
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Filesize
59KB
MD597a36ba5df3f0bea886252bb4a84e68e
SHA1170b89725352bb29c8ea0bc971d57d330211e208
SHA256a65050ad430eb35b79ad2046f6fb216e8662f7dfaa4427218f47c403c99cacdd
SHA51271c28fd2837f2d9d2105b0c9abb2eafb1ee7bd510635b194820bc4a73a28cfd990af58ad62fbcc419cc25c8a905473a81303b8ce0a397323c52132a633ba9294