Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
05-10-2024 20:51
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe
Resource
win10v2004-20240910-en
General
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Target
2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe
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Size
51KB
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MD5
596bf6af697fb406f7a883e55119b8d9
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SHA1
744a35192d93d39a80f08619e325efa95feb74c6
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SHA256
562f82fdd9d5834c5018ecef3611172b54954bf5f13e9a2d0d4df19e3c5a34ba
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SHA512
19da224d8b0c509ec86813f224bd6ca5805ebbdfc2207ffb346a009219f3c8833194764ba301b71a710bd784df927cc58a4e227a7f9458a8cca719ea9649c73f
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojaS2y9:V6a+pOtEvwDpjK
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation 2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4480 asih.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 2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1364 wrote to memory of 4480 1364 2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe 84 PID 1364 wrote to memory of 4480 1364 2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe 84 PID 1364 wrote to memory of 4480 1364 2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-05_596bf6af697fb406f7a883e55119b8d9_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364 -
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:4480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
51KB
MD52b28cf347630b3760a7b51c29105d7fc
SHA1809aa4c070da4c719fa4b47c2de06d3c7ae9e975
SHA256692f93e68579c3dd383b8d5706e48cff91f44b0dbdfdc77a6e158c359139f13a
SHA512ac862bb0164bef8aa25b62dbc807ffae6ec98988c2e709939f3231ea0e5b268f3801486a55e84fb9ca8f694dd01dce8d6fcee4944cac9513b05c5a1c300da939