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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
09/10/2024, 04:37
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe
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Size
74KB
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MD5
581331e4c561ee5820abb2bd8bea892e
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SHA1
39d0668b20665ce8489fcb4200d46c0478f7e611
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SHA256
b711f8556bfbf5dcce9aabec7c1bc9a236c3064134b66bb9ce8509dd7763388a
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SHA512
73f55951723bb665258c62f48144f157e3571c18b039c15ad646b5004a29e3ce77f3a26408b6c44189ab9e0dd203189c8d737af6a61e3d1690139a3d30f0f98b
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SSDEEP
768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zk:9Uj+AIMOtEvwDpjLizbR9Xwzk
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2548 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1580 2024-10-09_581331e4c561ee5820abb2bd8bea892e_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 2024-10-09_581331e4c561ee5820abb2bd8bea892e_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 1580 wrote to memory of 2548 1580 2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe 28 PID 1580 wrote to memory of 2548 1580 2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe 28 PID 1580 wrote to memory of 2548 1580 2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe 28 PID 1580 wrote to memory of 2548 1580 2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580 -
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:2548
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD558e0872d3e4af0b4b64b8cbcd1e4bd45
SHA1a7279856e16f9aa6fc039511e986016e972ab61a
SHA25689550387a47f5cba1308aa03dc11564e798bec637eef4343f3efe2bdab7eceb8
SHA51269348239f458aedd4f874d26ce5035e6b81b9c129520a9400166a44696370dd545fd2aa909b6a6ee0912366e8297276d9ec6020ae29ff4220d628aa9dc2afe12