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Analysis
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max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04/10/2024, 02:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe
Resource
win10v2004-20240910-en
General
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Target
2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe
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Size
32KB
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MD5
04fc277ecf714558ba02de0acba980ac
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SHA1
8136a51102460f1042a332c89925944db62050e4
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SHA256
a53dd6fc265418d1c2d32952cbad14f9dc996c4a3de05015dee5921e723ff54b
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SHA512
1a108e402bb72c84978305140e4783b66429ef8e1a4784135c123dd0b7ed635af765a374b9f07a093be8c728ea85e0aed3b971c7f8a94364b507f2e6085e912c
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SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B4lWM:btB9g/WItCSsAGjX7r3B4D
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1736 gewos.exe -
Loads dropped DLL 1 IoCs
pid Process 2508 2024-10-04_04fc277ecf714558ba02de0acba980ac_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 2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2508 2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe 1736 gewos.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2508 wrote to memory of 1736 2508 2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe 30 PID 2508 wrote to memory of 1736 2508 2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe 30 PID 2508 wrote to memory of 1736 2508 2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe 30 PID 2508 wrote to memory of 1736 2508 2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2508 -
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:1736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD56b857c62c9de1c2bf75874cb2effa092
SHA1e5186c2312c0a416a96a44e1c6ae42e3e02bc565
SHA25645c2cea9ca0d9cc711d462c356f6ae48a1109720dadcdd2d94218d4a453b2aa8
SHA5128cb8290bf413c6351bf595ebc50d314686567a976cc0a8a3e3f68743cbdc082d9b6708cbe553bfb733f8c1fa5b90e7ad18fc352f52201b514557cdc2a8d77304