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Analysis
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max time kernel
149s -
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, 03:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe
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Size
40KB
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MD5
7cb32cdb60847ab7a2ee2301353d9d5f
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SHA1
36d5b05d34a4aaab4cc794bdf0bb7947c7bb1dda
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SHA256
e817bc1a4e97b2a504fc0a528f734764c35d0b0e0459f5b14a5c98d78fd27e27
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SHA512
ffa755b38917600c7a6236117cc9a9696dc728a77981d0399ae83fe0a51a9b284a4a879754ff02bf81fd9cf1ea0eb6e13c262dc6bd2eb2ea2e3e2f9cbbc5acce
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SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3Lb:btB9g/WItCSsAGjX7e9N0hunRvv
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2816 gewos.exe -
Loads dropped DLL 1 IoCs
pid Process 2388 2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_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_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2388 2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe 2816 gewos.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2388 wrote to memory of 2816 2388 2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe 29 PID 2388 wrote to memory of 2816 2388 2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe 29 PID 2388 wrote to memory of 2816 2388 2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe 29 PID 2388 wrote to memory of 2816 2388 2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD5e1f0db92ce04ab23f8eed74ef55e051d
SHA16268423354497a2bf82aa058bab16424efa155b8
SHA256064f34363748fcd9910104f0a70d7185201935021acab8011c94dbaee76203c4
SHA5127d63f46fc5d6cee0cae9a3cfc63f7a505e83620adb875a418d9932f81a5d826f45ce10c13d6667d47147562849928588a2ef3bd2f73ec0d4e5b9d4e39d3bc85a