Analysis
-
max time kernel
75s -
max time network
136s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:09
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-683230931.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-683230931.xls
Resource
win10v200722
General
-
Target
doc_pack-683230931.xls
-
Size
62KB
-
MD5
551206d8cf7eee7dcf13a614d3102f6b
-
SHA1
bf22565ad6dfe568472aba50e2d9786e2251373a
-
SHA256
7e018b42bc2ebdbd3338149b6a44fd9c5bbf3bf5685187aa1c72ea0647b133ec
-
SHA512
f6cca0a74edd5e61b472810116071d6f4d5af4ac00c68350ea9fb98bae774ca30e0c17f704f899f3cfbf0b3558a55f06804f8a37edcfd8513b5fadc66cbace1b
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 200 3056 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 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 3056 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 732 dwwin.exe 732 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3056 wrote to memory of 200 3056 EXCEL.EXE 77 PID 3056 wrote to memory of 200 3056 EXCEL.EXE 77 PID 200 wrote to memory of 732 200 DW20.EXE 78 PID 200 wrote to memory of 732 200 DW20.EXE 78
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-683230931.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:3056 -
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 46442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:200 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46443⤵
- Suspicious behavior: EnumeratesProcesses
PID:732
-
-