Analysis Overview
SHA256
1b5859d09b5e7cfe5cd7c37bde8e29ddc97ecadb442bac954d44f7342ec4b52c
Threat Level: Likely malicious
The file 9785e072ecc643a10511ccf47e721bf8.zip was found to be: Likely malicious.
Malicious Activity Summary
Suspicious Office macro
Enumerates physical storage devices
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Enumerates system info in registry
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-29 09:24
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-29 09:24
Reported
2024-02-29 09:30
Platform
win10v2004-20240226-en
Max time kernel
194s
Max time network
277s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4828 wrote to memory of 4716 | N/A | C:\Windows\system32\OpenWith.exe | C:\Windows\system32\NOTEPAD.EXE |
| PID 4828 wrote to memory of 4716 | N/A | C:\Windows\system32\OpenWith.exe | C:\Windows\system32\NOTEPAD.EXE |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\9785e072ecc643a10511ccf47e721bf8.tnef
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\9785e072ecc643a10511ccf47e721bf8.tnef
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 188.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.141.182.52.in-addr.arpa | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-29 09:24
Reported
2024-02-29 09:30
Platform
win10v2004-20240226-en
Max time kernel
272s
Max time network
281s
Command Line
Signatures
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 |
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
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\Levi Strauss (India) Pvt. Ltd.- RRL(Ajio) Recon upto Sep23.xlsb"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.109.69.13.in-addr.arpa | udp |
Files
memory/556-0-0x00007FFB8C3D0000-0x00007FFB8C3E0000-memory.dmp
memory/556-1-0x00007FFB8C3D0000-0x00007FFB8C3E0000-memory.dmp
memory/556-2-0x00007FFB8C3D0000-0x00007FFB8C3E0000-memory.dmp
memory/556-3-0x00007FFB8C3D0000-0x00007FFB8C3E0000-memory.dmp
memory/556-4-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-5-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-7-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-6-0x00007FFB8C3D0000-0x00007FFB8C3E0000-memory.dmp
memory/556-8-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-9-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-10-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-11-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp
memory/556-12-0x00007FFB89F30000-0x00007FFB89F40000-memory.dmp
memory/556-13-0x00007FFB89F30000-0x00007FFB89F40000-memory.dmp
memory/556-23-0x00007FFBCC350000-0x00007FFBCC545000-memory.dmp