Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-452426061.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-452426061.xls
Resource
win10v200722
General
-
Target
doc_pack-452426061.xls
-
Size
62KB
-
MD5
0467a7bd753774c2f0bf789f1c477f8f
-
SHA1
167c742501e4c0c002579b3170f065b4f44a5339
-
SHA256
8f49de2384dc23cbbc327373262f21b43c584084c844d85d66e9f0f591ec2987
-
SHA512
986b483441c2aa7c17f20ba52d83c577c0f7bafd2fde1c6d5b7be5115996db31f9c70f4d9d212a6b48666cbf86c87826984cbe29a36798f6446b3d8899b64e79
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 932 3948 DW20.EXE 65 -
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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3948 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3948 EXCEL.EXE 3948 EXCEL.EXE 2448 dwwin.exe 2448 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3948 EXCEL.EXE 3948 EXCEL.EXE 3948 EXCEL.EXE 3948 EXCEL.EXE 3948 EXCEL.EXE 3948 EXCEL.EXE 3948 EXCEL.EXE 3948 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3948 wrote to memory of 932 3948 EXCEL.EXE 79 PID 3948 wrote to memory of 932 3948 EXCEL.EXE 79 PID 932 wrote to memory of 2448 932 DW20.EXE 80 PID 932 wrote to memory of 2448 932 DW20.EXE 80
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-452426061.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:3948 -
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 47162⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47163⤵
- Suspicious behavior: EnumeratesProcesses
PID:2448
-
-