Analysis
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max time kernel
27s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
17-02-2023 21:47
Behavioral task
behavioral1
Sample
fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe
Resource
win10v2004-20220812-en
General
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Target
fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe
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Size
1.8MB
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MD5
106fba8159f464f38b530a04a9807bd3
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SHA1
7989d09b91a609f47dba1f8949c23864f21ccb97
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SHA256
fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0
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SHA512
a23997a92050ad9d603de9789d435c4bad39ea3bb89d4c221596f9dc189dbab3ce786010a9adf365dcee22d9846b265afdc0f42dae0f6268a8c1a4a64e0cad5d
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SSDEEP
24576:CrEP/MK8RWmUo8TqjTz1yqO/tXN20clFutaytNtkUrYtrJ2ds+v+Z0U:CrE8W3mjvAN/tGlFuwy1rYtrKNvv
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exedescription ioc process File opened for modification \??\PhysicalDrive0 fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exepid process 1124 fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe 1124 fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe 1124 fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe"C:\Users\Admin\AppData\Local\Temp\fb52fcd8c2909761ee793e0ea656acc133974579dfdc47b830936aafbf6aa7f0.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
PID:1124