Analysis
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max time kernel
143s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07/09/2024, 10:44
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe
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Size
39KB
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MD5
d6703b8532041a4d239b7d90eaaffbdf
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SHA1
a284e58c389742b889e2af206f8681fe3cbef400
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SHA256
4f7620dc68c3c00c5969b2e6de8989638e70e54b9015fe3faa5ab3ab2f4a262b
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SHA512
ca1c193c040ad6c2b8285e42bfcd95c12c1910fefaf7f4978ecfc0d329837c942de60a1a9dad82718aad07e0b0e878d1653249a4e9b4af366bf5fbe0f23e58cc
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SSDEEP
768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qN:fT+hsMQMOtEvwDpjoIHO
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3004 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1744 2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_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 2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1744 wrote to memory of 3004 1744 2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe 29 PID 1744 wrote to memory of 3004 1744 2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe 29 PID 1744 wrote to memory of 3004 1744 2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe 29 PID 1744 wrote to memory of 3004 1744 2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-07_d6703b8532041a4d239b7d90eaaffbdf_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744 -
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:3004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD5d0f4f7bd5f05df36f64d3c336b694699
SHA1ec1a1aa8f3cfd616271884cc5f47dd4f6db9cc0e
SHA256b2e78406b190e6e3cbf45b530234deed8e8cb4d741a0e267cde9e3b82949f8cb
SHA512b22ee9c7ff48cfb76697fae77e34867ba3964bfeb6bde7d8091e8a6669646b072a437ceb468ceb8f44f322090f283d3770bb3b0999c162015b48b67ac48155a5