Analysis
- max time kernel
149s - max time network
150s - platform
windows10_x64 - resource
win10v20210408 - submitted
19/07/2021, 17:34
Static task
static1
Behavioral task
behavioral1
Sample
PO for ART IMPEX GROUP LLP.doc
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO for ART IMPEX GROUP LLP.doc
Resource
win10v20210408
0 signatures
0 seconds
General
- Target PO for ART IMPEX GROUP LLP.doc
- Size 1.0MB
- Sample210719-e2q3d2693a
- SHA256 f415487e104efb2d80000858f7942cd9db73526601066eca5e63d99a50926298
- MD5 35c9dcf7c4a922996d01cd1172e5ee72
- SHA1 f04b7261c7209fbca4a6ca7b64d52b24fb0a0bef
- SHA512 7b1c68f5aa7bdfc3df156c4813d70c518adf570bfc82f4cbad72a487949303b988c8f355715d78f2d07c67a1a8ad3c3f86ce10dc1dd0eaf649b1b1a28b767900
- 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 1296 632 FLTLDR.EXE 67 - Checks processor information in registry 2 TTPs 3 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\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3815774415-3291267291-3272942471-495663830-3861463926-3794518342-784748754 WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3815774415-3291267291-3272942471-495663830-3861463926-3794518342-784748754\Moniker = "oice_16_974fa576_32c1d314_93b" WINWORD.EXE Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3815774415-3291267291-3272942471-495663830-3861463926-3794518342-784748754\Children WINWORD.EXE Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_93b\Children WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_CLASSES\LOCAL SETTINGS\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APPCONTAINER\STORAGE\OICE_16_974FA576_32C1D314_93B\CHILDREN WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3815774415-3291267291-3272942471-495663830-3861463926-3794518342-784748754 WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3815774415-3291267291-3272942471-495663830-3861463926-3794518342-784748754\DisplayName = "OICE_16_974FA576_32C1D314_93B" WINWORD.EXE Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_93b WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_93b WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_CLASSES\LOCAL SETTINGS\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APPCONTAINER\MAPPINGS\S-1-15-2-3815774415-3291267291-3272942471-495663830-3861463926-3794518342-784748754\CHILDREN WINWORD.EXE - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{F5C76850-75D3-44A3-AF73-6CFB7C54B94A}\abdtfhghgdghghœ.ScT:Zone.Identifier WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 632 WINWORD.EXE 632 WINWORD.EXE - Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE 632 WINWORD.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 632 wrote to memory of 1296 632 WINWORD.EXE 76 PID 632 wrote to memory of 1296 632 WINWORD.EXE 76
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\PO for ART IMPEX GROUP LLP.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:632 -
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:1296
-