Analysis Overview
SHA256
43a38e61e55656a97efa139ef3b52248ac2f2adf3b15bed9299a575867677d72
Threat Level: Known bad
The file PO-2024151-pdf.gz was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-07-17 10:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-17 10:13
Reported
2024-07-17 10:16
Platform
win7-20240705-en
Max time kernel
118s
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\PO-2024151-pdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\PO-2024151-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO-2024151-pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2452 -s 1796
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 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
Files
memory/2452-0-0x000007FEF5C83000-0x000007FEF5C84000-memory.dmp
memory/2452-1-0x0000000000900000-0x0000000000986000-memory.dmp
memory/2452-16-0x0000000002060000-0x000000000206A000-memory.dmp
memory/2452-18-0x000007FEF5C83000-0x000007FEF5C84000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-17 10:13
Reported
2024-07-17 10:16
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
149s
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4284 set thread context of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\PO-2024151-pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 1436 set thread context of 3432 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | C:\Windows\Explorer.EXE |
| PID 1540 set thread context of 3432 | N/A | C:\Windows\SysWOW64\help.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-1-5-21-2990742725-2267136959-192470804-1000_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\SysWOW64\help.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\help.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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\help.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 |
| 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 |
| 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\PO-2024151-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO-2024151-pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 121.133.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.201.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.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 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.online-business-70709.bond | udp |
| DE | 185.53.179.91:80 | www.online-business-70709.bond | tcp |
| US | 8.8.8.8:53 | 91.179.53.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.thenextamendment.net | udp |
| US | 13.248.243.5:80 | www.thenextamendment.net | tcp |
| US | 8.8.8.8:53 | www.thenextamendment.net | udp |
| US | 13.248.243.5:80 | www.thenextamendment.net | tcp |
| US | 8.8.8.8:53 | www.kzliw.xyz | udp |
| US | 47.251.26.138:80 | www.kzliw.xyz | tcp |
| US | 8.8.8.8:53 | 138.26.251.47.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.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 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 76.223.105.230:80 | www.listxtreme.com | tcp |
| US | 8.8.8.8:53 | www.bfgj46578456454.vip | udp |
| HK | 147.92.38.135:80 | www.bfgj46578456454.vip | tcp |
| US | 8.8.8.8:53 | 135.38.92.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.yourhug.xyz | udp |
| DE | 91.195.240.19:80 | www.yourhug.xyz | tcp |
| US | 8.8.8.8:53 | 19.240.195.91.in-addr.arpa | udp |
Files
memory/4284-0-0x00007FF896C13000-0x00007FF896C15000-memory.dmp
memory/4284-1-0x0000000000780000-0x0000000000806000-memory.dmp
memory/4284-2-0x00007FF896C10000-0x00007FF8976D1000-memory.dmp
memory/4284-12-0x000000001C010000-0x000000001C01A000-memory.dmp
memory/1436-14-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1436-15-0x00000000017F0000-0x0000000001B3A000-memory.dmp
memory/1436-18-0x0000000001360000-0x0000000001375000-memory.dmp
memory/1436-17-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3432-19-0x0000000008900000-0x0000000008A8C000-memory.dmp
memory/4284-20-0x00007FF896C10000-0x00007FF8976D1000-memory.dmp
memory/1540-22-0x0000000000470000-0x0000000000477000-memory.dmp
memory/1540-21-0x0000000000470000-0x0000000000477000-memory.dmp
memory/1540-23-0x0000000000150000-0x000000000017F000-memory.dmp
memory/3432-25-0x0000000008900000-0x0000000008A8C000-memory.dmp
memory/3432-28-0x0000000002A20000-0x0000000002ABC000-memory.dmp
memory/3432-29-0x0000000002A20000-0x0000000002ABC000-memory.dmp
memory/3432-32-0x0000000002A20000-0x0000000002ABC000-memory.dmp