Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
23-07-2024 20:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe
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Size
38KB
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MD5
8ee5c57cb9c5ddf337e8e66740199f5f
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SHA1
3b8abbf1b6e2aca72991ef973628fa9e5207e742
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SHA256
35513e39e8d27c8a823714af13503555adbcb66e5c2faa3392590fa0a3ea74ac
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SHA512
b4e286d7dd75c0d6f7cc39a8570582f2a329625160a81595f0ec9e75a83a7c6a28eac60e43c54e7c68154baad35ce58727ae68dbcfd1ea7f7e82441aef1eef1e
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SSDEEP
768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+44:fT+hsMQMOtEvwDpjoIH4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2384 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2936 2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_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 2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_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 2936 wrote to memory of 2384 2936 2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe 28 PID 2936 wrote to memory of 2384 2936 2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe 28 PID 2936 wrote to memory of 2384 2936 2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe 28 PID 2936 wrote to memory of 2384 2936 2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-23_8ee5c57cb9c5ddf337e8e66740199f5f_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936 -
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:2384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD54dfec39deb5098d4ae6a51a6475d04db
SHA1aebff7c9b5b8c80393c5903d9d8e77ff90186369
SHA256cb10f2087157205ca991ac10384407720491fde251c40f78c6e751c2a79a4c6c
SHA51224db78364741ddfe5e1d76a9db10a3fd9dfc49526626d89cf811a349948c87c8c38e1320eb7fe9866ae521f13e88b1cbd6ef2a6e7d16812382bc20a29295830d