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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/10/2024, 01:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
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Size
46KB
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MD5
54afcdeceffef5d9f1e6394c98e09956
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SHA1
e43e61877f2790040cfb0d370a4dc4170b299c3b
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SHA256
bea5d5607e34b5062b99d008595cac9bef3285ed9d1f5019708be7221cc145cb
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SHA512
da7d503234d43fab7778d61e11b5979dc352ab8d97d6aff23ff6ffeb19a2a3756970acb3d7898615e05809e93445dfbcd3c3bda8c2f094e9afc0affd2bffe5f1
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIie0LHumR1:bCDOw9aMDooc+vAlXnR1
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1864 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 2380 2024-10-02_54afcdeceffef5d9f1e6394c98e09956_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 2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2380 wrote to memory of 1864 2380 2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe 30 PID 2380 wrote to memory of 1864 2380 2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe 30 PID 2380 wrote to memory of 1864 2380 2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe 30 PID 2380 wrote to memory of 1864 2380 2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD5be07593665508cfa7f62aa5ba1631906
SHA1dd2d3f232c0d8bae7344e3f5e535d6aa5b0c1705
SHA25671ba75394957a5d904597d831c25f9eeb4539b86986971576b9281cca6824fd1
SHA5126d1192afa69ca7335dcc22879e2635b4bf143e0f7fc5d6ac26f7c29f82d5751e4a4c4aa332f75ce80e83b9cb145fbba9c51434a5d47dd36d9fb87c03b9241954