Analysis
-
max time kernel
70s -
max time network
134s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1202565946.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1202565946.xls
Resource
win10v200722
General
-
Target
document-1202565946.xls
-
Size
426KB
-
MD5
3ecc724d353c5fc3660cc5905cc559a6
-
SHA1
554a1d3aa2f83d95666d37c11672c38770dd03a4
-
SHA256
ba2c99ae321dfbcdd3eb1db3c235d5629fa377aae00a5860fd0c8e5d722da506
-
SHA512
a85e9978473f85dda830171e8d0ccaa883dbca4b1df7b939b0035ab22dc6e03cade5c6291c8e039352e4add0d0f722817b943dae9e30bf1285de793e99934cec
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 2516 2200 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 2200 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2200 EXCEL.EXE 2200 EXCEL.EXE 3036 dwwin.exe 3036 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2200 EXCEL.EXE 2200 EXCEL.EXE 2200 EXCEL.EXE 2200 EXCEL.EXE 2200 EXCEL.EXE 2200 EXCEL.EXE 2200 EXCEL.EXE 2200 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2200 wrote to memory of 2516 2200 EXCEL.EXE 74 PID 2200 wrote to memory of 2516 2200 EXCEL.EXE 74 PID 2516 wrote to memory of 3036 2516 DW20.EXE 76 PID 2516 wrote to memory of 3036 2516 DW20.EXE 76
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-1202565946.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:2200 -
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 46322⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46323⤵
- Suspicious behavior: EnumeratesProcesses
PID:3036
-
-