Analysis
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max time kernel
137s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/11/2024, 06:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
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Size
50KB
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MD5
15c200490bdf824eac11892b523ae93f
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SHA1
77ad50e398ede317150390dd506ac2325e2b70f4
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SHA256
7c77114823eff445c63efa63986bed8a8daf502f433a523ea1ff7d09843d7ab4
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SHA512
a6f2b67f81d1240fe17a20abf0250b123b9ee68ba8af5ed680834ae8ea4dcf9c5a54305d64a956cb6447877f72a9c23c7ed57919697ed506749dec074fa6aaae
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatshMd:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7X
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2284 hurok.exe -
Loads dropped DLL 1 IoCs
pid Process 2252 2024-11-21_15c200490bdf824eac11892b523ae93f_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 2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2252 2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe 2284 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2252 wrote to memory of 2284 2252 2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe 30 PID 2252 wrote to memory of 2284 2252 2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe 30 PID 2252 wrote to memory of 2284 2252 2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe 30 PID 2252 wrote to memory of 2284 2252 2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD529c7e470ebd7a7929701a0d7138ae20f
SHA13b3aa525d067cd1f5b6df4eec9cdb3dfd0c23b83
SHA256f28d7b942e136680fec1d38fb2c35b3b6e2a24e5518c9de6eae0609920fa9980
SHA5128b7031f35735b8cdcf82bd356c41a918162fe7073bdf9919aeee5731f304b5dbb96ca593f77576f295c5131205baceb57ad92ae2f858373d50ba597fa965df75