Analysis Overview
SHA256
8527e1ee98bd62527f021c1f0a02389d4115dfd5959fc89894adbd4226ecffd4
Threat Level: Known bad
The file doc_pack-354065331.xls was found to be: Known bad.
Malicious Activity Summary
Qakbot/Qbot
Office macro that triggers on suspicious action
Executes dropped EXE
Suspicious Office macro
Loads dropped DLL
Process spawned suspicious child process
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2020-10-20 22:23
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2020-10-20 22:23
Reported
2020-10-20 22:31
Platform
win7v200722
Max time kernel
144s
Max time network
10s
Command Line
Signatures
Qakbot/Qbot
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe | N/A |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
Office loads VBA resources, possible macro or embedded object present
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\COsuv\Wegerb\szvMhegn.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-354065331.xls
C:\COsuv\Wegerb\szvMhegn.exe
"C:\COsuv\Wegerb\szvMhegn.exe"
C:\COsuv\Wegerb\szvMhegn.exe
C:\COsuv\Wegerb\szvMhegn.exe /C
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ozlwfoxxgx /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I ozlwfoxxgx" /SC ONCE /Z /ST 00:35 /ET 00:47
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe /C
C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {FE982D5B-3142-4083-9007-3992CE5A6722} S-1-5-18:NT AUTHORITY\System:Service:
C:\COsuv\Wegerb\szvMhegn.exe
C:\COsuv\Wegerb\szvMhegn.exe /I ozlwfoxxgx
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | blog.vokasidev.com | udp |
| N/A | 68.65.123.245:80 | blog.vokasidev.com | tcp |
Files
memory/1836-1-0x000007FEF8540000-0x000007FEF87BA000-memory.dmp
memory/1896-2-0x0000000000000000-mapping.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1436-4-0x0000000007010000-0x0000000007014000-memory.dmp
memory/1436-5-0x0000000006010000-0x0000000006014000-memory.dmp
memory/1436-8-0x0000000004E00000-0x0000000004E04000-memory.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1972-10-0x0000000000000000-mapping.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1972-12-0x0000000002470000-0x0000000002481000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1368-15-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/940-17-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1120-19-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1120-21-0x00000000024A0000-0x00000000024B1000-memory.dmp
memory/1368-22-0x00000000023E0000-0x0000000002417000-memory.dmp
memory/860-23-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Rukadrcv\nijyzeip.dat
| MD5 | c191cb8f0b225bdf7c63656dc967fa9c |
| SHA1 | 012641e7f02412e5249fd1f77075d23b3df50ca0 |
| SHA256 | ccfcbeb554eaa5dfc3debff8522ddf49983f0ea0b78a83d6fa7e9c934b084714 |
| SHA512 | c17dcfd218c333219ab30b944a4b858304de78cfca24e733ebde719d14ee7437c3726d0557d16e0c8b788886e2f3333e7606d5e68dccd9ed87f01fc74afecca1 |
memory/1516-25-0x0000000000000000-mapping.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
Analysis: behavioral2
Detonation Overview
Submitted
2020-10-20 22:23
Reported
2020-10-20 22:31
Platform
win10
Max time kernel
7s
Max time network
126s
Command Line
Signatures
Process spawned suspicious child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Windows\system32\dwwin.exe | N/A |
| N/A | N/A | C:\Windows\system32\dwwin.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3672 wrote to memory of 3844 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE |
| PID 3672 wrote to memory of 3844 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE |
| PID 3844 wrote to memory of 1620 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 3844 wrote to memory of 1620 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
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-354065331.xls"
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 4472
C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4472
Network
| Country | Destination | Domain | Proto |
| N/A | 52.109.8.19:443 | nexusrules.officeapps.live.com | tcp |
Files
memory/3672-0-0x00007FFDC0700000-0x00007FFDC0DC6000-memory.dmp
memory/3844-3-0x0000000000000000-mapping.dmp
memory/1620-4-0x0000000000000000-mapping.dmp
memory/1620-5-0x00000179AC6F0000-0x00000179AC6F1000-memory.dmp
memory/1620-6-0x00000179AC6F0000-0x00000179AC6F1000-memory.dmp
memory/1620-8-0x00000179ACE00000-0x00000179ACE01000-memory.dmp
memory/1620-11-0x00000179AD100000-0x00000179AD101000-memory.dmp
memory/1620-12-0x00000179AD100000-0x00000179AD101000-memory.dmp
memory/1620-13-0x00000179AD100000-0x00000179AD101000-memory.dmp