Analysis
-
max time kernel
78s -
max time network
141s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1003666420.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1003666420.xls
Resource
win10v200722
General
-
Target
document-1003666420.xls
-
Size
426KB
-
MD5
994c0cc20a1ac9492b26c66c140678fb
-
SHA1
dfc5e6317577f34a612ec923521d91811adfeeb4
-
SHA256
926843015e16e5d36b30122b0d163610d23421be767de6a6a09339df19899b13
-
SHA512
2701fda41c9b35c4bfc650b8053ee29377884b3f9ddf22c20b4f03914a27a96c1c89477e4701d5a7445c9dc625ac53ecefaac0625a580d9aed0b7025404dadc5
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 3652 3696 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 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 3696 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3696 EXCEL.EXE 3696 EXCEL.EXE 3388 dwwin.exe 3388 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3696 EXCEL.EXE 3696 EXCEL.EXE 3696 EXCEL.EXE 3696 EXCEL.EXE 3696 EXCEL.EXE 3696 EXCEL.EXE 3696 EXCEL.EXE 3696 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3696 wrote to memory of 3652 3696 EXCEL.EXE 77 PID 3696 wrote to memory of 3652 3696 EXCEL.EXE 77 PID 3652 wrote to memory of 3388 3652 DW20.EXE 79 PID 3652 wrote to memory of 3388 3652 DW20.EXE 79
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-1003666420.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:3696 -
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 46282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46283⤵
- Suspicious behavior: EnumeratesProcesses
PID:3388
-
-