Analysis
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max time kernel
133s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 05:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe
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Size
73KB
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MD5
c833ea2de178f622af682baddfba5979
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SHA1
971d44eb06f7eef9dbc9ba2a2fd2c8dbf2633a2c
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SHA256
5782a8c4ea58074593caf8db167ee6b77e4e51bf9dc45c9761b44d7338ff2856
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SHA512
db0674ede21e1e2c2228846a74a652a6b24f73b5c7face5b3dbabb59c52c68f326515c3e5271a9eb103bf63420b6a4a00a62aa6d55e3c223635b4c49b61bcc87
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SSDEEP
768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs0:u6QFElP6n+gWMOtEvwDpjJGYQb0
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1424 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 780 2024-09-19_c833ea2de178f622af682baddfba5979_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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 780 wrote to memory of 1424 780 2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe 31 PID 780 wrote to memory of 1424 780 2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe 31 PID 780 wrote to memory of 1424 780 2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe 31 PID 780 wrote to memory of 1424 780 2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_c833ea2de178f622af682baddfba5979_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:780 -
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:1424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD5291191b440a51717f795b99b60e7bcea
SHA177be1e5f29ea0bc295bb00181b4bad51238e2a9a
SHA256a0e16ca026a02f71b60035afd52e1b719421f20dbf0843f05ef7103fc1b49a30
SHA5125e3ee230b221141312044ceb67755288fd550a6c267bfe3041ad871006bb58d0672d422bfff59f5afb452c08bd6381826965661a9ddbb56891a3246bad214a63