Analysis Overview
SHA256
72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e
Threat Level: Shows suspicious behavior
The file 72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Drops startup file
Executes dropped EXE
Loads dropped DLL
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
AutoIT Executable
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Program crash
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 02:28
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 02:28
Reported
2024-10-16 02:31
Platform
win7-20240903-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Lymnaeidae.vbs | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2796 set thread context of 2780 | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe
"C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
"C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
Files
memory/2968-2-0x0000000003CC0000-0x00000000040C0000-memory.dmp
\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
| MD5 | 55aebe7c9491e315b5cf0b1754cd970a |
| SHA1 | 0b7b1c687363a42a5a628c6fac6dc70304d32a0f |
| SHA256 | 72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e |
| SHA512 | cfe63311113b1464549db347fead8d383cfd112d1fd20ce07ff2839408b5e1de6f109bde959b8fffa80a4e1f5a4f0d5764ce210bd23b1706062d565334068d4b |
C:\Users\Admin\AppData\Local\Temp\endochylous
| MD5 | ce70b530bf5a9e09c5060d0668d21bde |
| SHA1 | 9aa5fde1392b803cec335710828d92326d092caf |
| SHA256 | 308e5b41746f297980dd8f0a6f8fbb68e00ea26453b147ac135a645741d07038 |
| SHA512 | 756e9604ff5b4360221dfcb2bc80c60f67e2504d00256a32207e6500c8b466e9c5e09558a96aeac1d59c23be6883e48419e149c93204d40fac85d3a0c73e3147 |
memory/2796-12-0x0000000004050000-0x0000000004450000-memory.dmp
memory/2780-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2780-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2780-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2780-18-0x0000000073E6E000-0x0000000073E6F000-memory.dmp
memory/2780-19-0x00000000003C0000-0x00000000003F0000-memory.dmp
memory/2780-20-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2780-22-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2780-21-0x0000000000610000-0x000000000063E000-memory.dmp
memory/2780-23-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2780-25-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-83-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-81-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-79-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-77-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-75-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-73-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-71-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-69-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-67-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-65-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-63-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-61-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-59-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-57-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-55-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-53-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-51-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-49-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-47-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-45-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-43-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-41-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-39-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-37-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-35-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-33-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-31-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-29-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-27-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-24-0x0000000000610000-0x0000000000638000-memory.dmp
memory/2780-472-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2780-473-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2780-474-0x0000000073E6E000-0x0000000073E6F000-memory.dmp
memory/2780-475-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2780-476-0x0000000073E60000-0x000000007454E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 02:28
Reported
2024-10-16 02:31
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
146s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Lymnaeidae.vbs | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe
"C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
"C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 740
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 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.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 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/3068-2-0x0000000003EA0000-0x00000000042A0000-memory.dmp
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
| MD5 | 55aebe7c9491e315b5cf0b1754cd970a |
| SHA1 | 0b7b1c687363a42a5a628c6fac6dc70304d32a0f |
| SHA256 | 72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e |
| SHA512 | cfe63311113b1464549db347fead8d383cfd112d1fd20ce07ff2839408b5e1de6f109bde959b8fffa80a4e1f5a4f0d5764ce210bd23b1706062d565334068d4b |
C:\Users\Admin\AppData\Local\Temp\endochylous
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/4900-10-0x0000000003EE0000-0x00000000042E0000-memory.dmp