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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2024, 06:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe
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Size
38KB
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MD5
8fe0a1098e54a3f1041b11515f89635c
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SHA1
49fde83653b26c3732c93a7a377b86924e63d9eb
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SHA256
15ac6a5217362da024162afddf764bd5a48330d2f9de2c8bdf3712253f63809e
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SHA512
05d4c84f64cdacdadcdd29a35211511399fb021b8ace71f0b7d6985aaeefcef58449d139837fa8eab91170d353215884b523c0369d87f40207ffa976a7ce2a3c
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHSO:X6QFElP6n+gJQMOtEvwDpjBmzDIO
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3464 asih.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 2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4728 wrote to memory of 3464 4728 2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe 85 PID 4728 wrote to memory of 3464 4728 2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe 85 PID 4728 wrote to memory of 3464 4728 2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_8fe0a1098e54a3f1041b11515f89635c_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4728 -
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:3464
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD58a234aabed80efae1de7471df43c3a4c
SHA10223fa9362f9bfcdc064d010ee2deaa6b95d5793
SHA256124637f5f9b2d121d34b74722fdb3c10ceed279d935269264a25c8428fbdc5b8
SHA512b1e5694594d4ea4fd7b46052f1a6123457780f94cd23f9d60aa2b6f680abf2f862806345e86739ec5efafefe78534ceb1e11987a367e1d5da3c85b63140d6842