Analysis
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max time kernel
132s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01/10/2024, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe
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Size
78KB
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MD5
a4319e597f341a0cf4f9390de88be83d
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SHA1
c96d8f4cea64961394a9225eadf43ba13765d8db
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SHA256
d99732d3335177782547c143b4675df84630df7417812dd985384307765be16d
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SHA512
0ecc9e39edeabcb1077033328705102bb2f972c0d5b03370fbc97c424481349d5b882b11d0661b132d73b858c4a17f8c934e359bd3c2c2d8af70f0ae7470c5ba
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsu:X6a+SOtEvwDpjBZYvQd2t
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2556 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1900 2024-10-01_a4319e597f341a0cf4f9390de88be83d_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 2024-10-01_a4319e597f341a0cf4f9390de88be83d_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 1900 wrote to memory of 2556 1900 2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe 30 PID 1900 wrote to memory of 2556 1900 2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe 30 PID 1900 wrote to memory of 2556 1900 2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe 30 PID 1900 wrote to memory of 2556 1900 2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900 -
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:2556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
78KB
MD5606f1c26e1fe1cee316263ecf95d9acd
SHA1b3a59f2edd5ad55e49f0aad46283c8093987c6ba
SHA25659233a9d97d926ac8095505ef7f1b2d6f8920fbb7785979ade723d826f5648b6
SHA512f26566dc76102c8a5ac11e8f3ec4735b317d6c07f00553f04b5d52b432241e397828eb816c152143fa0981c7faa6411d2160f244a20b0b91a8a82fa0c6dfe39f