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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12/09/2024, 03:07
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
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Size
39KB
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MD5
eb1f30e65ae849ab5f3049aa3b60717f
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SHA1
dc2c49b11596b1a9d49a5fcc1455a3c77cf8adbd
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SHA256
1410c050ac644bf0b7696ca485baaeb1ccf9cc0c1b8d4a436919e319f82604e4
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SHA512
60c5e4aa95cb93cc0e56b5b93b3acd9a11762e906e6dc11fb55747c877759e024be256b2f88e8795ad0bdb5d93b5791916ffa20ce2579e3a0a2454c59e2045a7
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SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3Li:btB9g/WItCSsAGjX7e9N0hunRv+
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation gewos.exe -
Executes dropped EXE 1 IoCs
pid Process 3092 gewos.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 2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 640 wrote to memory of 3092 640 2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe 84 PID 640 wrote to memory of 3092 640 2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe 84 PID 640 wrote to memory of 3092 640 2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3092
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD592f9cb4ebf132a1ee2bb1be3ab4281ec
SHA13ba412f2b114d0f7e7e483a0364a0ead4c43dd82
SHA256a1844d76bda775d71deb7440bb764f4e10db5a41dd55a8b58edbbf5028b3fc10
SHA51248802e6150515de6446391d5530669ad2b64c234668a6ef81866ea093e868e2c7fb1ee8b47d29c5eb99f9aa195f161e15a41a4fa336312616e1024e1d65b260b
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Filesize
184B
MD5a59c988c9f7406d1db18eeb49d28c3a0
SHA1bc4fbb1242f91a90c2b173f81d0fd47cc5d9f55d
SHA256cf62fe65404f87cad035019fda280aeac59976c758b9d23ee68b1bed6bcd2746
SHA512ad225cdea667cf0bdb7f7b1d870abf96f932f804225d5a57b8ed24ce8732fbe80dff909f8f2e727fa625307e6b6ee17ab9034c40e8cd9b408e44caf35aa25e5b