Analysis
-
max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
22/09/2023, 05:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
39636529f99caaf04caf4bec02f46d63c790df1eca13a6d45873d2738b7c1cc1.dll
Resource
win7-20230831-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
39636529f99caaf04caf4bec02f46d63c790df1eca13a6d45873d2738b7c1cc1.dll
Resource
win10v2004-20230915-en
5 signatures
150 seconds
General
-
Target
39636529f99caaf04caf4bec02f46d63c790df1eca13a6d45873d2738b7c1cc1.dll
-
Size
5.0MB
-
MD5
3eeaecbc2dd335185911689f69e30326
-
SHA1
5279b66a5750827752f0f81eb19fc1370e42f3f5
-
SHA256
39636529f99caaf04caf4bec02f46d63c790df1eca13a6d45873d2738b7c1cc1
-
SHA512
f56eccbf622ae29e0f85cf821b158751db6bc2b1889e10a6c34e86fbd242f4a238755a542919e9f786de8ea53ccd7fcbb68734f4d4187d25340e27b1b28fe62e
-
SSDEEP
98304:zIxsnO859Rrin70NuJX2td9J30aNMEwczdD:Pnr59tsoCid9OwnB
Score
8/10
Malware Config
Signatures
-
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\cieHwr8LYAyjCSg6.sys\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\rundcieHwr8LYAyjCSg6.sys" rundll32.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundcieHwr8LYAyjCSg6.sys rundll32.exe File opened for modification C:\Windows\SysWOW64\rundcieHwr8LYAyjCSg6.sys rundll32.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 468 Process not Found -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1704 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2440 wrote to memory of 1704 2440 rundll32.exe 28 PID 2440 wrote to memory of 1704 2440 rundll32.exe 28 PID 2440 wrote to memory of 1704 2440 rundll32.exe 28 PID 2440 wrote to memory of 1704 2440 rundll32.exe 28 PID 2440 wrote to memory of 1704 2440 rundll32.exe 28 PID 2440 wrote to memory of 1704 2440 rundll32.exe 28 PID 2440 wrote to memory of 1704 2440 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39636529f99caaf04caf4bec02f46d63c790df1eca13a6d45873d2738b7c1cc1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39636529f99caaf04caf4bec02f46d63c790df1eca13a6d45873d2738b7c1cc1.dll,#12⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:1704
-