Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2024, 06:32
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe
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Size
67KB
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MD5
1ea282ba8449629944baa8e1970c5b0d
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SHA1
8b267c37bbec3d022ddee178efc3fe81a3f7b2b7
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SHA256
03dd085818c08108840f70824a1a3f886a639976f6d909b94cfa090f9ecc6a85
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SHA512
40fe538538b15f6d6b7ad1430ffc6ff65eb439acec6934e7d769666a3876c854e704584841d886d55a94c96abeba86effb297f419f1b1d8da3e7857490b14867
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsijA:BbdDmjr+OtEvwDpjM89
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 2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2056 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 2024-09-30_1ea282ba8449629944baa8e1970c5b0d_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 4696 wrote to memory of 2056 4696 2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe 81 PID 4696 wrote to memory of 2056 4696 2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe 81 PID 4696 wrote to memory of 2056 4696 2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696 -
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:2056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD5646772d80cb7375db08a02236da16401
SHA1c9df85df9d35fff91be6e46e40df84126447350d
SHA2563b5d7dc5d9bffa951eb386181382909e4bf8dea083b79c61d01e7fd4bab4cab0
SHA51285a95e551fbcce77ee937932167591769ecde5ffa69bc4b6a5d4ec71b58191a5fea8e1455397b6762849d3aeac32f3e258337f6194b9dd4328410b86613cb45d