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Analysis
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max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/09/2024, 05:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
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Size
47KB
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MD5
4374ea1bf2183c921aa430c37986c07c
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SHA1
f87ef4ab6f693145c5a6ab9bfed303419744d429
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SHA256
1af8b61e3010a38815d1efe24305870855576cff3fbc23fcb536a28bceda3990
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SHA512
c8bd88820eadfad0d99ed35f0d126901657e45c1a1c333abd1b63bee3a13826c7fc116632d7685910f3472ed5ecf6cd57e1db24a86602d3d2fe3abadfc61374a
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlADh:P6QFElP6k+MRQMOtEvwDpjBQpVX8AF
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2560 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2092 2024-09-12_4374ea1bf2183c921aa430c37986c07c_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 2024-09-12_4374ea1bf2183c921aa430c37986c07c_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 2092 wrote to memory of 2560 2092 2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe 30 PID 2092 wrote to memory of 2560 2092 2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe 30 PID 2092 wrote to memory of 2560 2092 2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe 30 PID 2092 wrote to memory of 2560 2092 2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092 -
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:2560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD55aefb378c017388077bbb4be21fe7108
SHA1ea8a40fd3a59df6459a1b2d10d22cb3e190a1b24
SHA256453cf13f2732f643d2576fdf32a316d15225a279103d7c8ab1db6a8e1445a07b
SHA512359f4dadac91fa3fc1fe14e9eb73c66758163045797091c9bd49896fc4032797c74d613b7e3c3aa23c3cc826067f107bdab9a082a08f5a7206853c246958a725