Analysis
-
max time kernel
136s -
max time network
137s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-347551717.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-347551717.xls
Resource
win10
General
-
Target
doc_pack-347551717.xls
-
Size
62KB
-
MD5
d878f924aee710320e13bbc726e83233
-
SHA1
780cbae4f106ba1354d537e3b3531dabbb6e9a08
-
SHA256
5367352d3bf6e369c752291c83f9a196b2335dbe147b10149280292e709b2d82
-
SHA512
68688de7da5ee7569e4462c2a19e488f34168ce1015480a1a140579ef6ef8bc033f7ac40413c927d17b7e9853cee924b607e7534a7f1b4213a220a9f13121cfb
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 1536 3832 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3832 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3832 EXCEL.EXE 3832 EXCEL.EXE 1676 dwwin.exe 1676 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3832 wrote to memory of 1536 3832 EXCEL.EXE 76 PID 3832 wrote to memory of 1536 3832 EXCEL.EXE 76 PID 1536 wrote to memory of 1676 1536 DW20.EXE 77 PID 1536 wrote to memory of 1676 1536 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-347551717.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:3832 -
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 44762⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44763⤵
- Suspicious behavior: EnumeratesProcesses
PID:1676
-
-