Analysis
-
max time kernel
17s -
max time network
128s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1328340647.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1328340647.xls
Resource
win10v200722
General
-
Target
document-1328340647.xls
-
Size
426KB
-
MD5
6cda90c1729ced3e2c2152ccc5310257
-
SHA1
90e94122097d13bddc437836365a9c7a47c4f4cd
-
SHA256
6511ac733d2e35a9347c40f3ae7b5076efc4a59ed177e17e78afe44b1a4f3a71
-
SHA512
34ba66511288f9c5e9279dc811e00eee6e5eec7ea7046394d593f47787ef9b5ae193d0be3f4578bcf2f58190f1c1e0309339d646712f3e96c871574e4144be73
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 3856 1012 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1012 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1012 EXCEL.EXE 1012 EXCEL.EXE 3772 dwwin.exe 3772 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1012 wrote to memory of 3856 1012 EXCEL.EXE 74 PID 1012 wrote to memory of 3856 1012 EXCEL.EXE 74 PID 3856 wrote to memory of 3772 3856 DW20.EXE 75 PID 3856 wrote to memory of 3772 3856 DW20.EXE 75
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\document-1328340647.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:1012 -
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 44842⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44843⤵
- Suspicious behavior: EnumeratesProcesses
PID:3772
-
-