Analysis Overview
SHA256
a3f8800b974f9b141987cf9a585a95af33766dde3361ac6087ad4f6cba2c6fbc
Threat Level: Known bad
The file 29f12f6e9f37fffbaea93b39b9050c09 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Modifies Internet Explorer settings
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-31 05:25
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-31 05:25
Reported
2024-01-02 08:00
Platform
win7-20231215-en
Max time kernel
0s
Max time network
118s
Command Line
Signatures
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar | 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\29f12f6e9f37fffbaea93b39b9050c09.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\ilD0.txt,DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | skill.fashion | udp |
| US | 8.8.8.8:53 | syracuse.best | udp |
Files
memory/2500-1-0x000000007296D000-0x0000000072978000-memory.dmp
memory/2500-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2500-2-0x000000007296D000-0x0000000072978000-memory.dmp
memory/2500-3-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2500-4-0x000000007296D000-0x0000000072978000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-31 05:25
Reported
2024-01-02 08:01
Platform
win10v2004-20231222-en
Max time kernel
0s
Max time network
136s
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\explorer.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\29f12f6e9f37fffbaea93b39b9050c09.xls"
C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\kN1.vbs
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\kN1.vbs"
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 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skill.fashion | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tcp | |
| US | 204.79.197.200:443 | tcp |
Files
memory/4952-2-0x00007FF7F7730000-0x00007FF7F7740000-memory.dmp
memory/4952-6-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-9-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-12-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-15-0x00007FF7F5620000-0x00007FF7F5630000-memory.dmp
memory/4952-18-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-20-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-22-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-23-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-21-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-19-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-17-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-16-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-14-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-13-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-11-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-10-0x00007FF7F5620000-0x00007FF7F5630000-memory.dmp
memory/4952-8-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-7-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-5-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp
memory/4952-4-0x00007FF7F7730000-0x00007FF7F7740000-memory.dmp
memory/4952-3-0x00007FF7F7730000-0x00007FF7F7740000-memory.dmp
memory/4952-1-0x00007FF7F7730000-0x00007FF7F7740000-memory.dmp
memory/4952-0-0x00007FF7F7730000-0x00007FF7F7740000-memory.dmp
memory/4952-35-0x00007FF8376B0000-0x00007FF8378A5000-memory.dmp