Analysis
-
max time kernel
148s -
max time network
153s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-387165615.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-387165615.xls
Resource
win10
General
-
Target
doc_pack-387165615.xls
-
Size
62KB
-
MD5
d502b328110480bf46d79914498596da
-
SHA1
dd4fd649dd9a72241999936aa894700262a946d8
-
SHA256
5c15ac1ba8e3f040d65f436e6f442b4d1ebd7ca61d28e83d4ebab6eeaa877b94
-
SHA512
b3adea35f2fb6516acb5a2399bab103ab59b67f716e583715e30eea49e53d20008516e28223b411c886b85c295e1bc7f3c269f9c88cfd9eb1dca3385a236227d
Malware Config
Signatures
-
Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1556 720 DW20.EXE 66 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 1752 dwwin.exe 1752 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 720 wrote to memory of 1556 720 EXCEL.EXE 76 PID 720 wrote to memory of 1556 720 EXCEL.EXE 76 PID 1556 wrote to memory of 1752 1556 DW20.EXE 77 PID 1556 wrote to memory of 1752 1556 DW20.EXE 77
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-387165615.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 44722⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44723⤵
- Suspicious behavior: EnumeratesProcesses
PID:1752
-
-