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
14/10/2024, 20:12
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe
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Size
37KB
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MD5
aea1028fa46c7e46aa8c9e629d400369
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SHA1
13c5a4d5d09e46389199bacbe020e629204759a5
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SHA256
36cacf88e1c1ba59f7f3e8dea8bb0771eac8be00478b97928d145869524ce192
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SHA512
67bbf93bf5ffa6fc4e10731b48d93d519cec7baa88e690348dc04756c52487e10169a882edebeb63d2edeac4dc670130bed33b077985b35475618d5f3183cd76
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SSDEEP
384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf6XT+2ipddwh/:bgX4zYcgTEu6QOaryfjqDlCLk
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2712 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2260 2024-10-14_aea1028fa46c7e46aa8c9e629d400369_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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2260 wrote to memory of 2712 2260 2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe 31 PID 2260 wrote to memory of 2712 2260 2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe 31 PID 2260 wrote to memory of 2712 2260 2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe 31 PID 2260 wrote to memory of 2712 2260 2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_aea1028fa46c7e46aa8c9e629d400369_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD59f6ede10fcdaf8b36b34a95be44911a7
SHA1e126dff9381aafac25b7c7d4c7f18c33dea25655
SHA2565a593785cb453c26ce9a8fbac622caf389065ba2c3a0b3f401ee9ee44c1286ae
SHA512911dd5af2c52c6dd2cb72c2b5ab131a5ed1b6ba1bdcba8e68ab725ec5695fe0732ae385a628ab67995d12398e01038a8348550b8548a8911d006ff0a38ca1679