Analysis Overview
SHA256
4d4e577b8f11d978d6b240970a88ed4ba69ac3e47da2a850f2f964ef8f23fe9c
Threat Level: Known bad
The file doc_pack-334255853.xls was found to be: Known bad.
Malicious Activity Summary
Qakbot/Qbot
Executes dropped EXE
Suspicious Office macro
Office macro that triggers on suspicious action
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: EnumeratesProcesses
Creates scheduled task(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
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
win7
Max time kernel
102s
Max time network
79s
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\Cwmykkefb\nsaaurm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.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\Cwmykkefb\nsaaurm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.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\Cwmykkefb\nsaaurm.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-334255853.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\Cwmykkefb\nsaaurm.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rhwriuifwg /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I rhwriuifwg" /SC ONCE /Z /ST 22:34 /ET 22:46
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe /C
C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {B4E4B4E9-7428-4876-AC3A-286693B3BC83} S-1-5-18:NT AUTHORITY\System:Service:
C:\COsuv\Wegerb\szvMhegn.exe
C:\COsuv\Wegerb\szvMhegn.exe /I rhwriuifwg
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/1132-2-0x000007FEF7860000-0x000007FEF7ADA000-memory.dmp
memory/1496-3-0x0000000000000000-mapping.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1152-5-0x0000000006C40000-0x0000000006C44000-memory.dmp
memory/1152-6-0x0000000006CD0000-0x0000000006CD4000-memory.dmp
memory/1152-7-0x0000000002500000-0x0000000002501000-memory.dmp
memory/1152-11-0x0000000005A00000-0x0000000005A04000-memory.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1020-13-0x0000000000000000-mapping.dmp
C:\COsuv\Wegerb\szvMhegn.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/1020-15-0x0000000002490000-0x00000000024A1000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/844-18-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/692-20-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/528-22-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe
| MD5 | cd1d9f1f22120d080cb52057a7d9fb96 |
| SHA1 | d428fda3e1be91a246628fca76f5d0fe8d53e04d |
| SHA256 | 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852 |
| SHA512 | 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f |
memory/528-24-0x0000000002490000-0x00000000024A1000-memory.dmp
memory/844-25-0x00000000023C0000-0x00000000023F7000-memory.dmp
memory/584-26-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.dat
| MD5 | 2ac5787f871224e07625f9828dbccb7f |
| SHA1 | b70e0986a555e0d214d7cfb3d34fed639b83b65c |
| SHA256 | 7a993fcaf2b8dd492744634cbcab072861e11ff549d73fa8a6abe22515d7fcc1 |
| SHA512 | 43898d8c2e4fc956c6dc5949e130892b009875daeda4ac3958d8a4813fe543540c2a2f4855084e0d46ab74a58d06ce841c11665c57d8a8db7714d565b368b1ba |
memory/1948-28-0x0000000000000000-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
win10v200722
Max time kernel
105s
Max time network
131s
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 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | 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 816 wrote to memory of 3824 | 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 816 wrote to memory of 3824 | 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 3824 wrote to memory of 3736 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 3824 wrote to memory of 3736 | 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-334255853.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
Files
memory/816-0-0x00007FF91A240000-0x00007FF91A906000-memory.dmp
memory/3824-3-0x0000000000000000-mapping.dmp
memory/3736-4-0x0000000000000000-mapping.dmp
memory/3736-5-0x000002D1B4380000-0x000002D1B4381000-memory.dmp
memory/3736-6-0x000002D1B4380000-0x000002D1B4381000-memory.dmp
memory/3736-8-0x000002D1B4BD0000-0x000002D1B4BD1000-memory.dmp
memory/3736-11-0x000002D1B4FD0000-0x000002D1B4FD1000-memory.dmp
memory/3736-13-0x000002D1B4E30000-0x000002D1B4E31000-memory.dmp
memory/3736-14-0x000002D1B4E30000-0x000002D1B4E31000-memory.dmp
memory/3736-15-0x000002D1B4E30000-0x000002D1B4E31000-memory.dmp