Analysis
-
max time kernel
13s -
max time network
128s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-701289589.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-701289589.xls
Resource
win10
General
-
Target
doc_pack-701289589.xls
-
Size
62KB
-
MD5
0a3e4a4306d4d9ccf1e3aa14305c4705
-
SHA1
37d91dfb8934dfd1221e847f4ba6c3777731596b
-
SHA256
77ed5c2c804488f816c2e84f360b87194225f5a42609ed07a715209bdbba5abc
-
SHA512
1686a6f55cc0a0d088724d8bfa47512da2c04129c9accabd6b5a0f4c21ec382c8cb6d297d6f4d3298a34e678fcabf4fd531b391c56fb4bd3624ea007d4e9ae1d
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 2560 3920 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 3920 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3920 EXCEL.EXE 3920 EXCEL.EXE 2784 dwwin.exe 2784 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3920 wrote to memory of 2560 3920 EXCEL.EXE 77 PID 3920 wrote to memory of 2560 3920 EXCEL.EXE 77 PID 2560 wrote to memory of 2784 2560 DW20.EXE 78 PID 2560 wrote to memory of 2784 2560 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-701289589.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:3920 -
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 44442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44443⤵
- Suspicious behavior: EnumeratesProcesses
PID:2784
-
-