Analysis
-
max time kernel
20s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30/12/2023, 01:15
Static task
static1
Behavioral task
behavioral1
Sample
09bf5ac47d1b650ff8110434cab7a5a8.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
09bf5ac47d1b650ff8110434cab7a5a8.dll
Resource
win10v2004-20231215-en
General
-
Target
09bf5ac47d1b650ff8110434cab7a5a8.dll
-
Size
103KB
-
MD5
09bf5ac47d1b650ff8110434cab7a5a8
-
SHA1
76d51015adb046ba387716018115f677cf411d0a
-
SHA256
dc553e3afbc554aeffd7763dae45ad5830291e0dbcefa796fa76ca415f5278c9
-
SHA512
ed83dbccdbeb76aff802cf762c221c70348abc798b63d4d250ca4b1e6376adbb91f2f2bf5d3f0cda48ca14b4dc90eceea3a48fb620ba467770fd03f2bfccaf25
-
SSDEEP
1536:7JQKCDy4UHwmSMkn8DpC1o/EK9YgV8xa6/k2AM5qxR0No9/xaSIAiXH1FmOJ3E5S:pCDyF5fVCi/E3+wSMgouxa5AilFR9EH
Malware Config
Signatures
-
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.
description ioc Process File opened for modification \??\PhysicalDrive0 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2896 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2568 wrote to memory of 2896 2568 rundll32.exe 29 PID 2568 wrote to memory of 2896 2568 rundll32.exe 29 PID 2568 wrote to memory of 2896 2568 rundll32.exe 29 PID 2568 wrote to memory of 2896 2568 rundll32.exe 29 PID 2568 wrote to memory of 2896 2568 rundll32.exe 29 PID 2568 wrote to memory of 2896 2568 rundll32.exe 29 PID 2568 wrote to memory of 2896 2568 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\09bf5ac47d1b650ff8110434cab7a5a8.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\09bf5ac47d1b650ff8110434cab7a5a8.dll,#12⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
PID:2896
-