Analysis Overview
SHA256
dd36a21b3f11b6142a898ce80d046abf5f8e0b62fa112957db619c865272ce20
Threat Level: Known bad
The file PO1511-pdf.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-07-18 09:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-18 09:51
Reported
2024-07-18 09:53
Platform
win7-20240704-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2812 -s 1432
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ainvestinternational.com | udp |
| US | 172.67.133.121:443 | ainvestinternational.com | tcp |
| US | 172.67.133.121:443 | ainvestinternational.com | tcp |
Files
memory/2812-0-0x000007FEF5103000-0x000007FEF5104000-memory.dmp
memory/2812-1-0x0000000000E40000-0x0000000000E66000-memory.dmp
memory/2812-2-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp
memory/2812-3-0x0000000000530000-0x000000000053A000-memory.dmp
memory/2812-4-0x000007FEF5103000-0x000007FEF5104000-memory.dmp
memory/2812-5-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-18 09:51
Reported
2024-07-18 09:53
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
148s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 404 set thread context of 4832 | N/A | C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 4832 set thread context of 3372 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | C:\Windows\Explorer.EXE |
| PID 4832 set thread context of 3372 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | C:\Windows\Explorer.EXE |
| PID 716 set thread context of 3372 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ | C:\Windows\Explorer.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO1511-pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" NoLabel
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ainvestinternational.com | udp |
| US | 172.67.133.121:443 | ainvestinternational.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 172.67.133.121:443 | ainvestinternational.com | tcp |
| US | 8.8.8.8:53 | 121.133.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.listxtreme.com | udp |
| US | 13.248.243.5:80 | www.listxtreme.com | tcp |
| US | 8.8.8.8:53 | 5.243.248.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.rv0awy.rest | udp |
| HK | 47.242.239.155:80 | www.rv0awy.rest | tcp |
| US | 8.8.8.8:53 | 155.239.242.47.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.mythandbody.com | udp |
| US | 76.223.105.230:80 | www.mythandbody.com | tcp |
| US | 8.8.8.8:53 | 230.105.223.76.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.anviltotable.com | udp |
| US | 3.33.130.190:80 | www.anviltotable.com | tcp |
| US | 8.8.8.8:53 | 190.130.33.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.cprcertificationcoach.com | udp |
| US | 3.33.130.190:80 | www.cprcertificationcoach.com | tcp |
| US | 8.8.8.8:53 | www.mysleepfriend.shop | udp |
| CA | 23.227.38.74:80 | www.mysleepfriend.shop | tcp |
| US | 8.8.8.8:53 | 74.38.227.23.in-addr.arpa | udp |
Files
memory/404-0-0x00007FFE23C23000-0x00007FFE23C25000-memory.dmp
memory/404-1-0x0000000000150000-0x0000000000176000-memory.dmp
memory/404-2-0x00007FFE23C20000-0x00007FFE246E1000-memory.dmp
memory/404-3-0x0000000002290000-0x000000000229A000-memory.dmp
memory/4832-4-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4832-5-0x00000000010C0000-0x000000000140A000-memory.dmp
memory/4832-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4832-8-0x0000000001030000-0x0000000001045000-memory.dmp
memory/3372-9-0x0000000002D20000-0x0000000002E7E000-memory.dmp
memory/404-10-0x00007FFE23C20000-0x00007FFE246E1000-memory.dmp
memory/4832-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4832-13-0x00000000015E0000-0x00000000015F5000-memory.dmp
memory/3372-14-0x0000000002B30000-0x0000000002BF4000-memory.dmp
memory/716-15-0x0000000000390000-0x00000000003A4000-memory.dmp
memory/716-17-0x0000000000390000-0x00000000003A4000-memory.dmp
memory/716-18-0x0000000000D20000-0x0000000000D4F000-memory.dmp
memory/3372-20-0x0000000002D20000-0x0000000002E7E000-memory.dmp
memory/3372-21-0x0000000002B30000-0x0000000002BF4000-memory.dmp
memory/3372-23-0x0000000007350000-0x0000000007443000-memory.dmp
memory/3372-25-0x0000000007350000-0x0000000007443000-memory.dmp
memory/3372-28-0x0000000007350000-0x0000000007443000-memory.dmp