Analysis
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max time kernel
132s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/11/2024, 06:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe
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Size
79KB
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MD5
4a6ecf7b77344638d5dcbfc79c8d017c
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SHA1
c972eb6dc1776ca4776da25150e39abfc86062e6
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SHA256
985e17ea08fa616547aa2e88b0cc4e90b1dd5dfd3054402be3f1e02889cb39eb
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SHA512
f9f107868961020876daea5f610ac2205b1c2b51fc04111ca0cd8c830f0e1b77f81f0a60dd81ae1f39f96b139b49b482f7550f626619f25abac9a67a3454ffe7
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktr:X6a+SOtEvwDpjBZYvQd2C
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1260 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2536 2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_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 2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_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 2536 wrote to memory of 1260 2536 2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe 30 PID 2536 wrote to memory of 1260 2536 2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe 30 PID 2536 wrote to memory of 1260 2536 2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe 30 PID 2536 wrote to memory of 1260 2536 2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_4a6ecf7b77344638d5dcbfc79c8d017c_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
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:1260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
79KB
MD57494d02a3e70f4d295e7db8f5f6718cf
SHA12bc386c820389887597f53efbb6db0a659f82019
SHA256ea6957cdc95365e340299c5937931059ae8296d28c5a51534623451080e1bb81
SHA51257924f38b682c8e51dfdbe46541dc279719ba35988efb867ba630551eb52334cf7c7ff4543e82cae4146644bf8c92cba249fa4b2a4d22b822571a391aab36749