Analysis Overview
SHA256
caf382e68c15d63324bc42c21c891d7a6ece9b23f955d1b8e37c429073e9f566
Threat Level: Likely malicious
The file caf382e68c15d63324bc42c21c891d7a6ece9b23f955d1b8e37c429073e9f566 was found to be: Likely malicious.
Malicious Activity Summary
Office macro that triggers on suspicious action
Suspicious Office macro
Disables RegEdit via registry modification
System Location Discovery: System Language Discovery
Office loads VBA resources, possible macro or embedded object present
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies Internet Explorer start page
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-15 21:40
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
2024-08-15 21:40
Reported
2024-08-15 21:41
Platform
win7-20240704-en
Max time kernel
11s
Max time network
15s
Command Line
Signatures
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
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 |
Office loads VBA resources, possible macro or embedded object present
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 |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\SOFTWARE\MICROSOFT\Internet Explorer\Main | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Modifies Internet Explorer start page
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://3azu.taobao.com" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://3azu.taobao.com" | 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 FindShellTrayWindow
| 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\caf382e68c15d63324bc42c21c891d7a6ece9b23f955d1b8e37c429073e9f566.xls
Network
Files
memory/3012-1-0x0000000071E5D000-0x0000000071E68000-memory.dmp
memory/3012-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/3012-7-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/3012-9-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/3012-6-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/3012-5-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/3012-2-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/3012-3-0x00000000005F0000-0x00000000006F0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\VB1392.tmp
| MD5 | 63a99f0138b8b8db9b1ea7c49bf4b9fb |
| SHA1 | 20f81df4d9b710d478974e64c3f00f27504b454c |
| SHA256 | 516eb4fe006dadc0cc6074a99a6cf572e6141766335f8198b00a0067d512ac1f |
| SHA512 | c894d763c1b772a3fcc89683f3ce7c142069106efafaad39ba98f9368a7b79310f541d6fe1aceafee7d6272df75eae2879a5d426bbaebda299a1c5e5a08b25c5 |
memory/3012-31-0x0000000071E5D000-0x0000000071E68000-memory.dmp
memory/3012-32-0x00000000005F0000-0x00000000006F0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-15 21:40
Reported
2024-08-15 21:41
Platform
win10v2004-20240802-en
Max time kernel
51s
Max time network
52s
Command Line
Signatures
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | 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 |
Modifies Internet Explorer start page
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://3azu.taobao.com" | 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 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 |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
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\caf382e68c15d63324bc42c21c891d7a6ece9b23f955d1b8e37c429073e9f566.xls"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| FR | 52.109.68.129:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 129.68.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.141.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/868-0-0x00007FF817F90000-0x00007FF817FA0000-memory.dmp
memory/868-1-0x00007FF857FAD000-0x00007FF857FAE000-memory.dmp
memory/868-3-0x00007FF817F90000-0x00007FF817FA0000-memory.dmp
memory/868-2-0x00007FF817F90000-0x00007FF817FA0000-memory.dmp
memory/868-5-0x00007FF817F90000-0x00007FF817FA0000-memory.dmp
memory/868-4-0x00007FF817F90000-0x00007FF817FA0000-memory.dmp
memory/868-9-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-8-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-7-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-11-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-12-0x00007FF815C40000-0x00007FF815C50000-memory.dmp
memory/868-10-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-6-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-13-0x00007FF815C40000-0x00007FF815C50000-memory.dmp
memory/868-16-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-17-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-21-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-20-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-19-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-18-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-15-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-14-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-47-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-40-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-52-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-51-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-50-0x00007FF857F10000-0x00007FF858105000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\VB8B2A.tmp
| MD5 | 63a99f0138b8b8db9b1ea7c49bf4b9fb |
| SHA1 | 20f81df4d9b710d478974e64c3f00f27504b454c |
| SHA256 | 516eb4fe006dadc0cc6074a99a6cf572e6141766335f8198b00a0067d512ac1f |
| SHA512 | c894d763c1b772a3fcc89683f3ce7c142069106efafaad39ba98f9368a7b79310f541d6fe1aceafee7d6272df75eae2879a5d426bbaebda299a1c5e5a08b25c5 |
memory/868-60-0x00007FF857F10000-0x00007FF858105000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
| MD5 | 28d593471adaf398c30a72cd009d3b3b |
| SHA1 | b4e3c9b9fb57178ef4a147445fbde085c53cc420 |
| SHA256 | e7e259e2475d24d00651d61b5083421d347ac6ac139f5507a14199c33154d27d |
| SHA512 | a2af2b123190e827a59ce46a3db476406fa094f746069d78384d0e11e8899af3af592572602460628572395544e896b3f6a19b5caaef3f706fc443be743082cd |
memory/868-75-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-76-0x00007FF857FAD000-0x00007FF857FAE000-memory.dmp
memory/868-77-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-78-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-82-0x00007FF857F10000-0x00007FF858105000-memory.dmp
memory/868-83-0x00007FF857F10000-0x00007FF858105000-memory.dmp