Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
26/08/2024, 06:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe
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Size
47KB
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MD5
20bef6163c73453a58c464e466a35779
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SHA1
5e45925aefc96e02f8f5c5fe8b3712fd87a3e799
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SHA256
66a3059d7e64baf2ab62500ac0068df27d9293b8a2567156f840efd079b49550
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SHA512
326d70563ec1426bb9d75113c74b18d25785f79905b2f1540c1690115ba3d18e6730509b0f3120a0aeb9ed21f125f306dee7a86813a21158759bd1fd5712da04
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlA2:P6QFElP6k+MRQMOtEvwDpjBQpVX8A2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2772 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2708 2024-08-26_20bef6163c73453a58c464e466a35779_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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2772 2708 2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe 30 PID 2708 wrote to memory of 2772 2708 2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe 30 PID 2708 wrote to memory of 2772 2708 2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe 30 PID 2708 wrote to memory of 2772 2708 2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708 -
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:2772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD50a1a025abc35ce16e03313bd82fc95ee
SHA1b10cc930a6b400f862bd8b07c87ac2bb4976850a
SHA256d03b0ead870a3b35bb1f5f6dcff5da720b92a5aa4c66c766ad6cdd915089ef41
SHA512e03efe779b388fea13b62ebb8cd74444d8e0b2c8263a8d506f0d7a2f46e316d710aa92920ac0d28257c2ccee4ca2811e50991aa573454517ad08370cf555b93a