Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe
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Size
42KB
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MD5
8ae94bdb6ea88bcd3de203a9e4df07c4
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SHA1
14139885eabca03ec93d19c051f7185ad0b62213
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SHA256
f088472cacc6da47da523a69027a05f5ddc243ab9fb4d972cd9af1d5edca6088
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SHA512
6dd1f0bae60005c7efbdb00c42a2182383bcd6f685a5bf59ff6548abf8398ed026b597b4910067902831c6ba8000cdfb626268add2eca406665768382b5b5ef6
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SSDEEP
768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCk:bA6YcA/X6G0W143Qr
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 2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4588 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 2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_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 3400 wrote to memory of 4588 3400 2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe 82 PID 3400 wrote to memory of 4588 3400 2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe 82 PID 3400 wrote to memory of 4588 3400 2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400 -
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:4588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5b1c8576acccbf40259c61c82eef1cc96
SHA1543ed5679ffbbd121b9b4f759f347ba653ec864c
SHA25687fe96604cf7a3f0edae1869f7a95531b62e47d05e57ac15f6f5218ae1e3b7a0
SHA5121ed29a9d77090d010d0ea9451302c43ee05e8d9998176d93ecbf421108dc354b897d9e893b9cbd3ae2b0d5bfcf0cec9fd85d892e2df3e72ec3015f5ae09063b7