Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 03:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe
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Size
73KB
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MD5
440dd4bb707ab97aa3be4f0c1f2a01ff
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SHA1
b61e505048ff80ddee313dc4fcc27f3c45d4b0fb
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SHA256
11368d3df9c44b7d5e40c408699ff2b3dd7e8ea6b9ec282485ae810f2be052c2
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SHA512
0461bb6a586f7541714bbdd3cff28d16a5221b310ec21c89b4c792e8be1e50ea9d9a4d0a293ed03668275dde643fdaf98e1647cd89eb98cb4b8924b45b72de40
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rn:vj+jsMQMOtEvwDpj5HZYTjipvF24/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2968 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2376 2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.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 2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2968 2376 2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe 31 PID 2376 wrote to memory of 2968 2376 2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe 31 PID 2376 wrote to memory of 2968 2376 2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe 31 PID 2376 wrote to memory of 2968 2376 2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD56ed9ffc4dccd36a8e24f3284956a821e
SHA180385469390837806f1f78892cbd026515dd6ace
SHA256ad9ba7158eca86f5f470e96230ed04ffe7b0df0f8f2d540c296ae02742fa26e3
SHA512acd4ad1685352d221fc635914c5773fec5565226dcd030ae063439202e1a26b6eb8f51675da296cc71aae78434e8a5295ee80fcc91d8bb6ac7d785f866d7f7c7