Analysis Overview
SHA256
4e64e96e5f49908f9bd44176dbdd2012e84bb6e7bde72af419ada7e8a17e303a
Threat Level: Known bad
The file cd64145da6ddb5857039ef96ca9b47d0_JC.exe was found to be: Known bad.
Malicious Activity Summary
Sakula
Deletes itself
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Runs ping.exe
Suspicious use of WriteProcessMemory
Modifies registry key
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-14 03:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-14 03:40
Reported
2023-10-14 17:58
Platform
win10v2004-20230915-en
Max time kernel
144s
Max time network
160s
Command Line
Signatures
Sakula
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | vpn.premrera.com | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 8.8.8.8:53 | 27.197.91.208.in-addr.arpa | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 8.8.8.8:53 | 126.209.247.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
Files
memory/4088-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4088-1-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4088-3-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 5828e6ee661b0fb65a47b279d3683e24 |
| SHA1 | cb6541f5f7acee95b2d52dfd434eaa693f79d057 |
| SHA256 | 5da3e5d55a901edef3a70f28083dc216624b55ce59c82f6eaea717b2ac8aa7db |
| SHA512 | 74ceabf859d04839d7511e4660a8ec165283be2173e632d943cc00befd3659d0d79e78645cea139b276ea8aa7045c8efe429137e6b2b6bf94cdc6e002bcc1c93 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 5828e6ee661b0fb65a47b279d3683e24 |
| SHA1 | cb6541f5f7acee95b2d52dfd434eaa693f79d057 |
| SHA256 | 5da3e5d55a901edef3a70f28083dc216624b55ce59c82f6eaea717b2ac8aa7db |
| SHA512 | 74ceabf859d04839d7511e4660a8ec165283be2173e632d943cc00befd3659d0d79e78645cea139b276ea8aa7045c8efe429137e6b2b6bf94cdc6e002bcc1c93 |
memory/4344-7-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-14 03:40
Reported
2023-10-14 17:58
Platform
win7-20230831-en
Max time kernel
144s
Max time network
177s
Command Line
Signatures
Sakula
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\cd64145da6ddb5857039ef96ca9b47d0_JC.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | vpn.premrera.com | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
Files
memory/1692-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1692-1-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1692-3-0x0000000000400000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2b95f260ed966ac3570b1aa91283bc51 |
| SHA1 | 19bc62b1bc4b8aea3081823f1b47f11706d0aa2a |
| SHA256 | 4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04 |
| SHA512 | 06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742 |
memory/1376-9-0x0000000001EE0000-0x0000000001EEB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2b95f260ed966ac3570b1aa91283bc51 |
| SHA1 | 19bc62b1bc4b8aea3081823f1b47f11706d0aa2a |
| SHA256 | 4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04 |
| SHA512 | 06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742 |
memory/1376-6-0x0000000001EE0000-0x0000000001EEB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2b95f260ed966ac3570b1aa91283bc51 |
| SHA1 | 19bc62b1bc4b8aea3081823f1b47f11706d0aa2a |
| SHA256 | 4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04 |
| SHA512 | 06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 2b95f260ed966ac3570b1aa91283bc51 |
| SHA1 | 19bc62b1bc4b8aea3081823f1b47f11706d0aa2a |
| SHA256 | 4a924f731de5a9a74ab1ab9413b022ee22c235585b04d13b2927c49a1ed3de04 |
| SHA512 | 06dfb3b36436ace3a4b28ad3cccb1bced843902b2417a661d19ca79afa1602e4b396b2da4c69b1c73f0da112aef06e575e1cd2e896863fca20d92c2129a9e742 |
memory/1376-10-0x0000000001EE0000-0x0000000001EEB000-memory.dmp