Analysis
- max time kernel
141s - max time network
137s - platform
windows10_x64 - resource
win10v200722 - submitted
01/10/2020, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
MV HEILAN SONG V2004.doc
Resource
win7v200722
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
MV HEILAN SONG V2004.doc
Resource
win10v200722
0 signatures
0 seconds
General
- Target MV HEILAN SONG V2004.doc
- Size 211KB
- Sample201001-9j96bw79ex
- SHA256 0deba8ea85be06af543e5135150d4f7fe5d9e6d1bbaf41213fec2f2c9dbe3d8e
- MD5 7ab95e4e129b3b9b59cacc13719b558c
- SHA1 ca02a7d5c70ad25419c378ac054f57982e7f89cb
- SHA512 620ef850956e9d8508b23efd6e760eaefbdefe35c6b9f78528b66684943b90f3d544f46c85491990e49c667c9a1fa7487d6e64d6c3d89406f98ed7f9cdf147c1
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 2096 3888 FLTLDR.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 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process 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 - Modifies registry class 10 IoCs
description ioc Process Key created \Registry\User\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-803454782-2705938251-1751147828-4157562620-2460364236-1748483740-651255353 WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-803454782-2705938251-1751147828-4157562620-2460364236-1748483740-651255353\Moniker = "oice_16_974fa576_32c1d314_822" WINWORD.EXE Key created \Registry\User\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_822 WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-803454782-2705938251-1751147828-4157562620-2460364236-1748483740-651255353\Children WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_822 WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-803454782-2705938251-1751147828-4157562620-2460364236-1748483740-651255353 WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-803454782-2705938251-1751147828-4157562620-2460364236-1748483740-651255353\DisplayName = "OICE_16_974FA576_32C1D314_822" WINWORD.EXE Key created \Registry\User\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-803454782-2705938251-1751147828-4157562620-2460364236-1748483740-651255353\Children WINWORD.EXE Key created \Registry\User\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_822\Children WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_822\Children WINWORD.EXE - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\Abctfhghgdghghž.scT:Zone.Identifier WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3888 WINWORD.EXE 3888 WINWORD.EXE - Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE 3888 WINWORD.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3888 wrote to memory of 2096 3888 WINWORD.EXE 73 PID 3888 wrote to memory of 2096 3888 WINWORD.EXE 73
Processes
-
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\MV HEILAN SONG V2004.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE" C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\PNG32.FLT2⤵
- Process spawned unexpected child process
PID:2096
-