Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 06:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe
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Size
42KB
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MD5
868129a0a0927aa60f7aa34724f2b41d
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SHA1
421e092156b7a43218fc76533bf9267a1549935e
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SHA256
2d529a1aed231e23a8e13f1f0c300d01a44d3369bd738543e32aecfd4452fba0
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SHA512
3a71920396c28cda4012f13b3441cf9cc98969629ec2431dc9844780cd2cd982ce5d04e2f6d3a4a630afe8206b9a5c8447c9217323f7885801a193472fa9c812
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SSDEEP
768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCY:bA6YcA/X6G0W143QH
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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3876 hasfj.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 2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1500 wrote to memory of 3876 1500 2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe 82 PID 1500 wrote to memory of 3876 1500 2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe 82 PID 1500 wrote to memory of 3876 1500 2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_868129a0a0927aa60f7aa34724f2b41d_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5e695555c256a491b0e114a63f6712e12
SHA1f452c52f9813225e2dfcb03ae6613b2e518e2074
SHA256c6aa6e8078fd4ef7de3107aabe5ce6173a401022e57f6f83943627125e09c71c
SHA5126f1f648bffe0b60a2daf164b8959ca1b4910c5c343d19a1c47740373b86f776a140b64053def20c376a94a9c900e59efc8425d0430502dec54cdef9b55453494