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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
09/09/2024, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe
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Size
48KB
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MD5
9ddce8cb3482875f756ca02614a5dcd7
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SHA1
9b33f3494d717a5afd6b394ad975144121ab3bfb
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SHA256
2dd6a6d127bcf8b403f521bb8ec3809af58f5e813e2b38fe2ec9906dd73d3c3e
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SHA512
110d304b85a7648c8564bfd3303e13cbd854e05d9d7fbbe0f0b408d47d8ccef3fcedeac3427f1a6b7a933e3e34610d6ca6af22f9d455c4f2945c6e341aa3b36d
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAr:P6QFElP6k+MRQMOtEvwDpjBQpVX8Ar
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2816 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2280 2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_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 2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_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 2280 wrote to memory of 2816 2280 2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe 30 PID 2280 wrote to memory of 2816 2280 2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe 30 PID 2280 wrote to memory of 2816 2280 2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe 30 PID 2280 wrote to memory of 2816 2280 2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-09_9ddce8cb3482875f756ca02614a5dcd7_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280 -
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:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5b9ee7bdd75e0d0ef9a7d0d1410eacf23
SHA1a292a00f01537a18dcae23cca8ada59da85b252f
SHA256abca8c7be86848715ff9f6ec91bfb3d826980d890075a02c6ab3f30c4b27f0c1
SHA512dc5944347758600566125459a5a2233a1805271c51c11b9e3d85e0af95cb7eafa7fccca9a728aa15409ce35f855ec77fa2b48e7887639dfe3a398a6649b85b68