Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-10-2024 05:56
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe
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Size
34KB
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MD5
a22c5c01ce0f6c110e6e57d12beb24d1
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SHA1
77be097b30eda3c4c1fdbad318f558ddf376c73e
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SHA256
7757ceaa8c8454f20b4a8e97f852471ec21ea16c1382384787074e1f4f5dce44
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SHA512
e42acb107ed02eb0b0990a0dd1269c917c815cded3b604fb6cfff2ddbc0126c66064b9c21c269146e1c6a1b394344bc76a38b2ee9b3a8935f06c9afc70751b39
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SSDEEP
384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGOFj:bG74zYcgT/Ekd0ryfj7
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 480 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 944 2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 944 wrote to memory of 480 944 2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe 31 PID 944 wrote to memory of 480 944 2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe 31 PID 944 wrote to memory of 480 944 2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe 31 PID 944 wrote to memory of 480 944 2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-10_a22c5c01ce0f6c110e6e57d12beb24d1_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:944 -
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:480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5e680334bded04b855126b35f351a85ff
SHA1ff0a5b904a81b7539b7c21c52037dccb630ee186
SHA256f75d4311cdde4dca9caebce133fae076b2b65b88430db581c300b473438d0286
SHA51275db473b23beb3f2527fd0d3482acbe6c5bbac9307c8a29e38633e40d0dcb83fb19a1948b83ab04c3a4265e1ab57ac6a185ea4b6ff3404db82bf957845838508