Analysis
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max time kernel
35s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 06:38
Static task
static1
Behavioral task
behavioral1
Sample
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe
Resource
win10v2004-20221111-en
General
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Target
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe
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Size
3.2MB
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MD5
fd90b5972b01f4cd6b4bfbfd4df5960b
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SHA1
4ae4355664f052c1c7fd9c401b99434f7f12908d
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SHA256
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a
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SHA512
5f1740498c6ede14d597f30c8d28e7199989ed9f9aaae9115fb3a3a8476c25b0aa473dcd3899282a6743d47287833053e788778a8d37494f4f2353933715148d
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SSDEEP
98304:x+DvHm85wKUDawn+LSzIoyYGMNY61v+M/:xtOUEMNZvZ
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:
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exedescription ioc process File opened for modification \??\PhysicalDrive0 b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe -
Drops file in Windows directory 1 IoCs
Processes:
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exedescription ioc process File opened for modification C:\WINDOWS\lce.ini b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exepid process 340 b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe 340 b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe"C:\Users\Admin\AppData\Local\Temp\b8838c2d6e7aaef21105202bfb3c36c90ba7505a11080720d1badc30709f0f6a.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/340-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmpFilesize
8KB