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Analysis
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max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
26/08/2024, 07:04
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe
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Size
48KB
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MD5
c466b5813de544aa32dc815510e1646b
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SHA1
0af0b01142c4bbebff53e6e74837b5445af1fdd5
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SHA256
1f2f64aeb6ba99f5dbaf0823e608f979d1450af1dc57f048a32598be9aa95439
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SHA512
cb77969f67429148e944db5394eaf1246cb201a17697d9528de2ab74bc676a02043ee9d1d8154ab6a4fa9438164e55f965f744923df9674f2d267146ef2cdda1
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Z5A:79mqyNhQMOtEvwDpjBzckqXA
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2060 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1356 2024-08-26_c466b5813de544aa32dc815510e1646b_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 2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1356 wrote to memory of 2060 1356 2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe 30 PID 1356 wrote to memory of 2060 1356 2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe 30 PID 1356 wrote to memory of 2060 1356 2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe 30 PID 1356 wrote to memory of 2060 1356 2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5d46306daeef7fec51b609279c49a4774
SHA1c6325884fc2f8ff9a10b671d80d28554f48503b3
SHA2565d79ca64fa3be6451301018dc8006f95b300c9ac7b5c705f0c9b4b442044f4e4
SHA5127da2b64edbc3bcf0eadad6dbc4465497c8b515962c35ad3733f7f3762596ca69d8967b8f2bead1f5ee2a31680a1bd22f4c4ce6351170462b3c0a6595df6aaec0