Analysis
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max time kernel
141s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 17:37
Static task
static1
Behavioral task
behavioral1
Sample
49a0cf085294e33da948e1856d94d66c.doc
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
49a0cf085294e33da948e1856d94d66c.doc
Resource
win10v2004-20231215-en
General
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Target
49a0cf085294e33da948e1856d94d66c.doc
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Size
43KB
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MD5
49a0cf085294e33da948e1856d94d66c
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SHA1
b3ee1dbb77d9600480b298842b82c8ce87467f5e
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SHA256
20ff0a8b7d8cc6fd89f793e9162c5cb71ecee71846026a4252e427c80c1f53a3
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SHA512
6855b8082ab0443d740034d4a543b4bce0cc650a36f50db2b215f0f25d3c6707a0d32df038e189acad0b1b0dedb6bff7fb573bbd810c19c711a5190851fd9f2f
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SSDEEP
384:9U7rbUXtbmGhgqJ1kyGcSxwAjLT/67Sm44Y1OkhfE0jc8tySZ2:9UQXt1hgqJ1kfTsSf4OOkefNn
Malware Config
Signatures
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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\WINWORD.EXE is not expected to spawn this process 396 3120 DW20.EXE 25 -
Checks processor information in registry 2 TTPs 6 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\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dwwin.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Enumerates system info in registry 2 TTPs 5 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwwin.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dwwin.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3120 WINWORD.EXE 3120 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE 3120 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3120 wrote to memory of 396 3120 WINWORD.EXE 95 PID 3120 wrote to memory of 396 3120 WINWORD.EXE 95 PID 396 wrote to memory of 3712 396 DW20.EXE 96 PID 396 wrote to memory of 3712 396 DW20.EXE 96
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\49a0cf085294e33da948e1856d94d66c.doc" /o ""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:3120 -
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 37482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 37483⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3712
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