Analysis
-
max time kernel
139s -
max time network
133s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
24-11-2020 14:56
Static task
static1
Behavioral task
behavioral1
Sample
material.11.20.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
material.11.20.doc
Resource
win10v20201028
General
-
Target
material.11.20.doc
-
Size
142KB
-
MD5
96d1a0a87b63e08f2b2299841cd0bf52
-
SHA1
f89fd556d4bdfd8052e2a5c29164823ab79a6923
-
SHA256
4de0cdd480990aad05acf6c178e4711cd05bf0bc83b4c65fe0e0c0003832f5d6
-
SHA512
c2ee88dcaceee3fb638a357e2a4f5a7fcd0a73cf2cda370e924ac4b9581a819435250a5598eccb1c338467b815d9a9037f33a0e0891e3595b4a0620f1085a683
Malware Config
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 1172 1400 rundll32.exe WINWORD.EXE -
Blacklisted process makes network request 6 IoCs
Processes:
rundll32.exeflow pid process 28 2068 rundll32.exe 30 2068 rundll32.exe 36 2068 rundll32.exe 38 2068 rundll32.exe 40 2068 rundll32.exe 41 2068 rundll32.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2068 rundll32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 19 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 1400 WINWORD.EXE 1400 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 2068 rundll32.exe 2068 rundll32.exe -
Suspicious use of SetWindowsHookEx 18 IoCs
Processes:
WINWORD.EXEpid process 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE 1400 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
WINWORD.EXErundll32.exedescription pid process target process PID 1400 wrote to memory of 1172 1400 WINWORD.EXE rundll32.exe PID 1400 wrote to memory of 1172 1400 WINWORD.EXE rundll32.exe PID 1172 wrote to memory of 2068 1172 rundll32.exe rundll32.exe PID 1172 wrote to memory of 2068 1172 rundll32.exe rundll32.exe PID 1172 wrote to memory of 2068 1172 rundll32.exe rundll32.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\material.11.20.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\rundll32.exerundll32 C:\Users\Admin\AppData\Local\Temp\Fxrri.pdf,ShowDialogA -r2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32 C:\Users\Admin\AppData\Local\Temp\Fxrri.pdf,ShowDialogA -r3⤵
- Blacklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\Fxrri.pdfMD5
57fb48d6a4897dd5652493026639792a
SHA1aa14009859bb1f2ef9c997cce015311f5524c387
SHA256af887107d68c47636d9e7ec110b66afd84290257a92c02fcd0ab368c43fcf46c
SHA512279cbbfac052e7abc479a0162dd82730d93f798681db08ead8f251e5e3888712f72030b22ec3e1280ad8df7a6b48bc1a98bd0240bfd94558ad6c9d75e9e7b250
-
\Users\Admin\AppData\Local\Temp\Fxrri.pdfMD5
57fb48d6a4897dd5652493026639792a
SHA1aa14009859bb1f2ef9c997cce015311f5524c387
SHA256af887107d68c47636d9e7ec110b66afd84290257a92c02fcd0ab368c43fcf46c
SHA512279cbbfac052e7abc479a0162dd82730d93f798681db08ead8f251e5e3888712f72030b22ec3e1280ad8df7a6b48bc1a98bd0240bfd94558ad6c9d75e9e7b250
-
memory/1172-6-0x0000000000000000-mapping.dmp
-
memory/1400-0-0x00007FFB52C70000-0x00007FFB532A7000-memory.dmpFilesize
6.2MB
-
memory/2068-8-0x0000000000000000-mapping.dmp