Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 03:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe
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Size
55KB
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MD5
22874134879c355bcc6641a9003a3910
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SHA1
92b85052a803886fd332e519f20b73bc3f5bed90
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SHA256
6d97ad48baba2d83c52de8a322132604adba5275d98ea0019a7796daee19b46c
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SHA512
5e55373dc9ebe1c1ba6cac035e3779dfd8b28cc0b40b054845d846d8827e852cd2519887d9e9e9d6b090ef2c0df0669cf6a7d901a2f2e495c593c31b2a373ad5
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIL:X6QFElP6n+gJBMOtEvwDpjBtExmlA
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 2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2400 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 2024-09-25_22874134879c355bcc6641a9003a3910_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 2660 wrote to memory of 2400 2660 2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe 82 PID 2660 wrote to memory of 2400 2660 2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe 82 PID 2660 wrote to memory of 2400 2660 2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
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:2400
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD56503d1200f3d6c261156f8e76f4df4bb
SHA1001862ae6bd12d212420ef2cc9f9a5a67247fb4b
SHA256473cd15c34f0a5b4da0ca8b70487a608ed2008778b69311d1e3212cd5f8e284b
SHA5127312f5ce1838388302a9c64620d776b9479bfc7f0424ec513fadc85d4a64f6252b3edad476e980d6e2047ccd0fab173811ae4d575925f806dcb53440d7a417bd