Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
14-10-2024 04:56
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe
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Size
36KB
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MD5
b103e8c467f0b0bee500513979c88fd5
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SHA1
fc8ca693d3ab7c13c148a3842700190a7af705ec
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SHA256
e0213e495b6540399ee1b19b4e01bf6dc56dfbfba83ee5bb4b6c2c4393d4ced4
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SHA512
adff3a8616cdbe8c7441b073a7b1aeac5b569e4e9dacf2191aa63f897778fb4c130b2e2a145cc368cf6ef664c17501f7cf403292ea3b754999d89f13b673fa11
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SSDEEP
768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLh:ZzFbxmLPWQMOtEvwDpjLeUh
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3036 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2268 2024-10-14_b103e8c467f0b0bee500513979c88fd5_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 2024-10-14_b103e8c467f0b0bee500513979c88fd5_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 2268 wrote to memory of 3036 2268 2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe 30 PID 2268 wrote to memory of 3036 2268 2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe 30 PID 2268 wrote to memory of 3036 2268 2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe 30 PID 2268 wrote to memory of 3036 2268 2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_b103e8c467f0b0bee500513979c88fd5_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268 -
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:3036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD5cc636f809cd879c7cb82078882dfc7ab
SHA138301b03fc52049b81c65c93c7cd5860d2cd8f6c
SHA2567c73c23937dc772802bfd2ac4715399a30bb9b7d3e9bc5c73753892a199b8ea4
SHA512128ecde2cd5e5456c747c5d8e74ca34d486d815ce57e5a6f105289304a0bf8590e00e9f3af840cd7c5c390e81b3ec742d75c4098042cd29c739c850a8312c6fe