Analysis
-
max time kernel
89s -
max time network
152s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-4330531.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-4330531.xls
Resource
win10v200722
General
-
Target
doc_pack-4330531.xls
-
Size
62KB
-
MD5
8a004104c6fbb9ad9a96d36d963f4c3b
-
SHA1
47b51a1cb28ddb16bc09c268938ff7cec6c0b9ad
-
SHA256
79979dd8eb8bfbfd89e6b5bc336fc685bcd1509c9b21bfc56a0fc73a451097e7
-
SHA512
b508628e3137903669778a41b7b18fbd23f07c8f39043bf270d98fda1e24a0a68f2f074111cdf1af01f7d29ef73bfad3e0de6b82d3d995168f2d655bb3606850
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 1444 408 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 408 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 1544 dwwin.exe 1544 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 408 wrote to memory of 1444 408 EXCEL.EXE 80 PID 408 wrote to memory of 1444 408 EXCEL.EXE 80 PID 1444 wrote to memory of 1544 1444 DW20.EXE 81 PID 1444 wrote to memory of 1544 1444 DW20.EXE 81
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-4330531.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:408 -
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 47002⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47003⤵
- Suspicious behavior: EnumeratesProcesses
PID:1544
-
-