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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
13/10/2024, 02:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe
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Size
42KB
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MD5
e35f547094c27d9007b195380764114a
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SHA1
600df97c2adb396efef06fa4dfa0553b18d4ded8
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SHA256
360c35dbdf5978a9f4bbedebe7fc6ff3981aeaeed8e6198e8090b3c5fdd2d5e3
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SHA512
e5942706e6fed01300190f55b693bed7cf5368727744ae32adf5535a29dcb3869e876a4655c6d4ff6f3d1f6928396a95e84fca68014e4b06aa25b174939d4e9e
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqt/:bCDOw9aMDooc+vAqt/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1660 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 1668 2024-10-13_e35f547094c27d9007b195380764114a_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 2024-10-13_e35f547094c27d9007b195380764114a_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 1668 wrote to memory of 1660 1668 2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe 31 PID 1668 wrote to memory of 1660 1668 2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe 31 PID 1668 wrote to memory of 1660 1668 2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe 31 PID 1668 wrote to memory of 1660 1668 2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668 -
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:1660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5623c9764f9f1e5094a4aa30d12123a9d
SHA1197b9bffba85b9d27cc965dc2a1cad4db0e25803
SHA2560ddb0a8e03bcc88b27e31df6985c9ef0de0d60e8d056b05688040bc9276e9fbc
SHA512b453ebf096f5b261afb29e00daa4b4ed2a06ec0981f3e9eda959902543cfc6967183bda5b90e503a9f001423987fec93dc4cb708012d52f11a913830bb79aec6