Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-09-2024 23:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe
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Size
42KB
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MD5
feb85bc4af7669dbd7f4603da79339f4
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SHA1
fa292af8bba6231603c4a71d5d087ebce78a4dce
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SHA256
3f12f963d148993f0d42a8089fcf2969bf92dabf32ce037b8ae95da3a74aff9a
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SHA512
b36924f1a4171e4b5de2a71245a6f0d79a4eee934152d73ad631d983b2f990f253f7ecdf7ab220ea4542818c5776a88a5d30e3c33a46efabaff32f1e824b33b7
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SSDEEP
384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WdBLGqmldhJuYWer:79inqyNR/QtOOtEvwDpjBKdtGrP+Y
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2576 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 320 2024-09-18_feb85bc4af7669dbd7f4603da79339f4_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 2024-09-18_feb85bc4af7669dbd7f4603da79339f4_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 320 wrote to memory of 2576 320 2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe 30 PID 320 wrote to memory of 2576 320 2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe 30 PID 320 wrote to memory of 2576 320 2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe 30 PID 320 wrote to memory of 2576 320 2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:320 -
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:2576
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD57e0a77e40a203cc981ba20c6d66b636e
SHA1b5ff6edd0a3b095bca3524568d83afcbc730954a
SHA256710e6c254c186f83bc1c0de578be9faf4905d6b021474091e82156d71b8c2929
SHA512f7211553dca090c6a41d2eef27304b97897b68079385484d311382ef8d5546305949feb7b72c43890362430da7422359ac4d75b71fe30cb1b578f75372573575