Analysis Overview
SHA256
e6fda356348e9ff7a2c47e30fce3b554808c2e241f603ca4e4511382bc43d360
Threat Level: Known bad
The file 4c72ad845295416156d9033ccb3b2b69 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
2024-01-08 21:03
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-08 21:03
Reported
2024-01-08 21:07
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 |
| 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 |
| 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 |
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\4c72ad845295416156d9033ccb3b2b69.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\EMf1.txt,DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | skill.fashion | udp |
Files
memory/1876-1-0x000000007227D000-0x0000000072288000-memory.dmp
memory/1876-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1876-2-0x000000007227D000-0x0000000072288000-memory.dmp
memory/1876-4-0x000000007227D000-0x0000000072288000-memory.dmp
memory/1876-3-0x000000005FFF0000-0x0000000060000000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-08 21:03
Reported
2024-01-08 21:07
Platform
win10v2004-20231215-en
Max time kernel
0s
Max time network
50s
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\4c72ad845295416156d9033ccb3b2b69.xls"
C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\b5Cf.vbs
C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\b5Cf.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | skill.fashion | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 189.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.245.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 153.141.79.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.246.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.71.91.104.in-addr.arpa | udp |
Files
memory/2296-3-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp
memory/2296-2-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp
memory/2296-6-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-10-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-12-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-15-0x00007FF914360000-0x00007FF914370000-memory.dmp
memory/2296-16-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-17-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-18-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-21-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-22-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-20-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-19-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-14-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-13-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-11-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-9-0x00007FF914360000-0x00007FF914370000-memory.dmp
memory/2296-8-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-7-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-5-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp
memory/2296-4-0x00007FF956970000-0x00007FF956B65000-memory.dmp
memory/2296-1-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp
memory/2296-0-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp
C:\Users\Public\Documents\b5Cf.vbs
| MD5 | 3b7df8245d15e9c4110f82089ed93875 |
| SHA1 | a96ad9a7c17c24d968edf33e97fb21eee4bf29e4 |
| SHA256 | bfa18843e93970d57a63ffaef6bd731c258701e5a7f7add0c9834b394065f6c6 |
| SHA512 | a8a6a0c82fea00d396a80ae891cdf9c44eb3f29124ae4cf6e1c6fe4ee40e02ea6c3f52299ba1a0aaa2daa5350602e2afc2ba10841260fbe595678856f24a2ac5 |
memory/2296-34-0x00007FF956970000-0x00007FF956B65000-memory.dmp