Analysis
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max time kernel
145s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
31-10-2024 08:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe
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Size
53KB
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MD5
5612db90317cfbbcd54b2f2b8a39a689
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SHA1
47d23e1a8f1999d4a06afd39f086d9e54d2635ba
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SHA256
c35de460f8df8b72f036f1d2e841acaedbd8c26cf135bc989385ea62e3a1cc78
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SHA512
eb7a1d6585de3767473888b35761ac9cc07b661c4ce64d42eafd8049592d7d117e0a30b9b14bc2b1fda56f55e9b4eb745605005cf06969c6f883284057021d31
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Gop:xj+VGMOtEvwDpjubEg8
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
misid.exepid Process 2776 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exepid Process 2484 2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_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:
2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exemisid.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exedescription pid Process procid_target PID 2484 wrote to memory of 2776 2484 2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe 30 PID 2484 wrote to memory of 2776 2484 2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe 30 PID 2484 wrote to memory of 2776 2484 2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe 30 PID 2484 wrote to memory of 2776 2484 2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-31_5612db90317cfbbcd54b2f2b8a39a689_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD55a26e71dcd01bfa6bf6e3b627c00bb13
SHA12055716fd3fde229ee2e64152a34175bf04e5b4c
SHA256e671cc8a123b1247aa002c263623762b30906d37f5500e6fa103123b5a8258f3
SHA5126db0fadaa0750b7208574a15e615a1559565ba699501901181ac42fb6c497064a3950f4aa4cf2668bb3f124373f6b9d768223e2c88aa8371f358d98c8237927d