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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2024, 04:39
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe
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Size
53KB
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MD5
60bec9992e1a669d456e29fb125448a0
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SHA1
050dfd1f76edd0c2575bda06fd8100f42bba7049
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SHA256
52f62b480315f675c50eb1aae80027641155899695c4bfe990e1fe1b11e415b0
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SHA512
71920aefca87170849eeec4af10559a8e5c2f895b0d2fd98ca1380d966ad87c69278fe781676b82a91c1cb91c61d5c773301b86133a6200ff7f539755da6145d
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRszDr6PZ:79mqyNhQMOtEvwDpjBxe8TpXRSDePZ
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1548 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 2024-10-12_60bec9992e1a669d456e29fb125448a0_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 2276 wrote to memory of 1548 2276 2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe 85 PID 2276 wrote to memory of 1548 2276 2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe 85 PID 2276 wrote to memory of 1548 2276 2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-12_60bec9992e1a669d456e29fb125448a0_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276 -
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:1548
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD5023047ba7b554ac602cca9c66bae2142
SHA1e2b99bebcf207e1bf4bafd1b6a8a5700d30d636c
SHA25665bcd2b1a2a0873eb6ecd2e9e0552d31ef4b4ef536fd4c5bf3c7af8269823566
SHA512c6b9c9fb0518bd215ff52ebc9400bf4a4c39276859c34cf3348ab9cb496c9f595ad202165bab98f943aff3cfad7a6f4a2f4a6a20dcd749442530589df54a5af3