Analysis Overview
SHA256
8582ac823d04916033a900fa4a2e7879e259b405ed42bb3ccd8fc861b2828cbb
Threat Level: Known bad
The file 8582ac823d04916033a900fa4a2e7879e259b405ed42bb3ccd8fc861b2828cbb was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
System Location Discovery: System Language Discovery
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Checks processor information in registry
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 20:18
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 20:18
Reported
2024-11-11 20:21
Platform
win7-20240903-en
Max time kernel
142s
Max time network
146s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Processes
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8582ac823d04916033a900fa4a2e7879e259b405ed42bb3ccd8fc861b2828cbb.xlsm
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | antaoco.com | udp |
| US | 8.8.8.8:53 | amakpost.com | udp |
| US | 204.11.56.48:80 | amakpost.com | tcp |
| US | 8.8.8.8:53 | anat-bar.co.il | udp |
| US | 8.8.8.8:53 | andrewpharma.com | udp |
| KR | 112.175.184.95:80 | andrewpharma.com | tcp |
| US | 8.8.8.8:53 | amkltd.co.uk | udp |
| GB | 149.255.62.156:80 | amkltd.co.uk | tcp |
| GB | 149.255.62.156:443 | amkltd.co.uk | tcp |
| GB | 149.255.62.156:443 | amkltd.co.uk | tcp |
| GB | 149.255.62.156:443 | amkltd.co.uk | tcp |
| GB | 149.255.62.156:443 | amkltd.co.uk | tcp |
| US | 8.8.8.8:53 | gees.com.pl | udp |
| PL | 93.157.100.37:80 | gees.com.pl | tcp |
| PL | 93.157.100.37:443 | gees.com.pl | tcp |
| US | 8.8.8.8:53 | repository.certum.pl | udp |
| US | 95.100.195.11:80 | repository.certum.pl | tcp |
| US | 8.8.8.8:53 | www.bridgeaustria.at | udp |
| FR | 92.205.48.90:80 | www.bridgeaustria.at | tcp |
Files
memory/1608-1-0x0000000072ACD000-0x0000000072AD8000-memory.dmp
memory/1608-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab9FBC.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar9FCE.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/1608-225-0x0000000072ACD000-0x0000000072AD8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 20:18
Reported
2024-11-11 20:21
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
143s
Command Line
Signatures
Process spawned unexpected 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:\Windows\SysWow64\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWow64\regsvr32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| 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 |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| 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 |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | 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 use of FindShellTrayWindow
| 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 |
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 |
| 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 1568 wrote to memory of 3056 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 1568 wrote to memory of 3056 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 1568 wrote to memory of 3056 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.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\8582ac823d04916033a900fa4a2e7879e259b405ed42bb3ccd8fc861b2828cbb.xlsm"
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| IE | 52.109.76.243:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | antaoco.com | udp |
| US | 8.8.8.8:53 | amakpost.com | udp |
| US | 204.11.56.48:80 | amakpost.com | tcp |
| US | 8.8.8.8:53 | 243.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | anat-bar.co.il | udp |
| US | 8.8.8.8:53 | andrewpharma.com | udp |
| KR | 112.175.184.95:80 | andrewpharma.com | tcp |
| US | 8.8.8.8:53 | amkltd.co.uk | udp |
| GB | 149.255.62.156:80 | amkltd.co.uk | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.56.11.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.184.175.112.in-addr.arpa | udp |
| GB | 149.255.62.156:443 | amkltd.co.uk | tcp |
| US | 8.8.8.8:53 | r10.o.lencr.org | udp |
| GB | 2.23.210.82:80 | r10.o.lencr.org | tcp |
| US | 8.8.8.8:53 | www.amkltd.co.uk | udp |
| GB | 149.255.62.156:443 | www.amkltd.co.uk | tcp |
| US | 8.8.8.8:53 | gees.com.pl | udp |
| PL | 93.157.100.37:80 | gees.com.pl | tcp |
| US | 8.8.8.8:53 | 156.62.255.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.169.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.210.23.2.in-addr.arpa | udp |
| PL | 93.157.100.37:443 | gees.com.pl | tcp |
| US | 8.8.8.8:53 | cyberfolks2.ocsp-certum.com | udp |
| US | 95.100.195.48:80 | cyberfolks2.ocsp-certum.com | tcp |
| US | 8.8.8.8:53 | 37.100.157.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.195.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.195.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/1568-0-0x00007FFCE9070000-0x00007FFCE9080000-memory.dmp
memory/1568-1-0x00007FFD2908D000-0x00007FFD2908E000-memory.dmp
memory/1568-3-0x00007FFCE9070000-0x00007FFCE9080000-memory.dmp
memory/1568-2-0x00007FFCE9070000-0x00007FFCE9080000-memory.dmp
memory/1568-5-0x00007FFCE9070000-0x00007FFCE9080000-memory.dmp
memory/1568-4-0x00007FFCE9070000-0x00007FFCE9080000-memory.dmp
memory/1568-8-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-10-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-12-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-11-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-13-0x00007FFCE6E20000-0x00007FFCE6E30000-memory.dmp
memory/1568-9-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-7-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-15-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-17-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-19-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-18-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-16-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-14-0x00007FFCE6E20000-0x00007FFCE6E30000-memory.dmp
memory/1568-6-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
C:\Users\Admin\kytk.dll
| MD5 | a41b9f13b3714b389e52ec069255dd5d |
| SHA1 | ccf0477139c2da4e19ebb9c78cbdd74ebbbae0df |
| SHA256 | 66b9b031f6bd5c88861c509cc48685e2c5fdb4748705b6be3038e9f7747e7dc6 |
| SHA512 | f508075589da944538903bcf6d4c9428998256fe5d9e594de4015f0920674f693d95abac62b1f34eb107e9588b22adc11a054ede795b2a2ba9ac398709cb068e |
memory/1568-50-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-51-0x00007FFD2908D000-0x00007FFD2908E000-memory.dmp
memory/1568-52-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
memory/1568-56-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 8ddad547e571fa8171de96fb478c8700 |
| SHA1 | b657eeb40f0116933ec2a94165c0ac93cbd6df26 |
| SHA256 | b7fa8482c6d8e73530e2be0283651c3dc72aaaf41f324bc06ef01e550fa35fe1 |
| SHA512 | 7cad7cbc09b8f7a7d9a54ba122b7c1c0a294097375d63e71195b9cea5144f649b1d4d9303412bd8279a1fdeb5da99cfecfa30eaee886e4d9965c8dac32b25963 |