Analysis
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max time kernel
131s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
09-10-2024 03:49
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe
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Size
38KB
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MD5
4b13539df931483fe4485fb1d657ad93
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SHA1
dce61c2deabd052d2b9410a81b2509f99fcec0da
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SHA256
8206631d0eb3c747b353b182b430716fca5d8e97a49a1c9fd00d81b0c6f2e878
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SHA512
f0f08ca2286c5407cf3cc502b02cac8033a0c8738525f751b74fa205762667cf1499bc33d6bb8517ccea2e3264ce1efb78ad14d50164f0b4ecabeaacafa107b5
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5ax+u:V6QFElP6n+gMQMOtEvwDpjyaYaP
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2016 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1792 2024-10-09_4b13539df931483fe4485fb1d657ad93_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 2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1792 wrote to memory of 2016 1792 2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe 30 PID 1792 wrote to memory of 2016 1792 2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe 30 PID 1792 wrote to memory of 2016 1792 2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe 30 PID 1792 wrote to memory of 2016 1792 2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_4b13539df931483fe4485fb1d657ad93_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792 -
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:2016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD5d8f711a08e7ceb9890327490ff17ec3b
SHA1436fa5526910e269109355dec680b45d9a59b8af
SHA25624440973c5fedfd7f694ddf83aa47622c659adac0b1ffc61d53a591917ecd493
SHA512122c4b96a4de452a3f8eb3bf9f27845eba822d38bfedda8367a58e895fb82c2c05e5ed36bc9f77b88463d855ad3671d0c18ec2b9890c57caffc6abb93e419a69