Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2024, 04:52
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe
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Size
55KB
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MD5
f9322e07620194a53530679f2dcdb17c
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SHA1
6f4c3b0c40700ec9a1fe1a9b1465dfe8eb29127e
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SHA256
21abf344cc1cd46a54d65f5d1433ab5174ad6c206cc6d0536fc6acbd09bca3ae
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SHA512
5b47379a1512163b55da75fa4fd12962295d1f65d420ad451a61b94242f729ad7371687266b487262f8deb6ba5b535162b0aad5b17ea73745cf2034efcc80a4d
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIweL:X6QFElP6n+gJBMOtEvwDpjBtExmlsL
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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 868 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 2024-10-06_f9322e07620194a53530679f2dcdb17c_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 4540 wrote to memory of 868 4540 2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe 82 PID 4540 wrote to memory of 868 4540 2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe 82 PID 4540 wrote to memory of 868 4540 2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540 -
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:868
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD5602fa215866525395be48a71b3bf80ee
SHA14d303d3227df5b7fe2a37850e03438c536c3a155
SHA2569110dc55fa50a85e549a882e84c9b29122fe8aae97954e1689c215a1d410dc6c
SHA5122ae1ca9f89cf78d6f102021e073cbe87ebcab4da2c57f4c6580df2436d1780618c8f61f452b94111167345f8428ceaaea3b12755fa122ec3ad61af97caa1dd19