Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30/09/2024, 02:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe
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Size
40KB
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MD5
42142bd0ba5364acf5cf3141aff4c185
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SHA1
6d1b83dc1cb095c5537d93ae1d188e1ecd4f81ee
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SHA256
4d244035135150576f962d8a0ebdc87c1669243f47080f975059dfac493c23ae
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SHA512
e4f3a48d567032ce22f02ceee9ba8a9b1d166fe7d83490e82f53617f0d69c6b8022ce25470eae62de753e4f8b3abf4c592f6e4b18e68b952f3d245556e2663c2
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Ybr:bgGYcA/53GAA6y37m
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2908 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2384 2024-09-30_42142bd0ba5364acf5cf3141aff4c185_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 2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2908 2384 2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe 31 PID 2384 wrote to memory of 2908 2384 2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe 31 PID 2384 wrote to memory of 2908 2384 2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe 31 PID 2384 wrote to memory of 2908 2384 2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-30_42142bd0ba5364acf5cf3141aff4c185_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD5af23818603bf7a528c6cef29d1a1a486
SHA1c5582171037ad7edc3efc13228ae790992fef62a
SHA256c12ba69f1f9f49663bcc2185f7b1891bafdcfda772e21e450d62b572504e1ae9
SHA51294ee0b933a5d71b26278c96d7940f4955c6ae2470a6d6cda5043832e781ccdedf4035940cf135f4ad5fe7fbeaf6d2a73999ca811a7e4ae5d446e4427cf317452