Analysis Overview
SHA256
7111f7cdfe1b2b426fd0d98360f19b581896dde6f77997abaf6fededba0c420d
Threat Level: Known bad
The file NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.exe was found to be: Known bad.
Malicious Activity Summary
Sakula
Deletes itself
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Modifies registry key
Runs ping.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-13 19:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-13 19:46
Reported
2023-10-13 20:30
Platform
win7-20230831-en
Max time kernel
141s
Max time network
159s
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\NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.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\NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
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
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 |
Files
memory/2692-0-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2692-2-0x0000000000400000-0x0000000000409000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 0b0eb4435d189829761fb935d047051d |
| SHA1 | f42707bb6b9687f5b2172a50bbe325bfcd1156b0 |
| SHA256 | 06588a9b1df750f826df0decf1584f2d3596acc21b125390ec473e986b6c3be5 |
| SHA512 | 69e21955f2517121b2c3a939eb82020d109e552e148f764b1fab27d9f158a82a867b387a4ec3ceb1b30ccbf869feec7794f1ae7616ff662a88467bfb578f7701 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 0b0eb4435d189829761fb935d047051d |
| SHA1 | f42707bb6b9687f5b2172a50bbe325bfcd1156b0 |
| SHA256 | 06588a9b1df750f826df0decf1584f2d3596acc21b125390ec473e986b6c3be5 |
| SHA512 | 69e21955f2517121b2c3a939eb82020d109e552e148f764b1fab27d9f158a82a867b387a4ec3ceb1b30ccbf869feec7794f1ae7616ff662a88467bfb578f7701 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 0b0eb4435d189829761fb935d047051d |
| SHA1 | f42707bb6b9687f5b2172a50bbe325bfcd1156b0 |
| SHA256 | 06588a9b1df750f826df0decf1584f2d3596acc21b125390ec473e986b6c3be5 |
| SHA512 | 69e21955f2517121b2c3a939eb82020d109e552e148f764b1fab27d9f158a82a867b387a4ec3ceb1b30ccbf869feec7794f1ae7616ff662a88467bfb578f7701 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 0b0eb4435d189829761fb935d047051d |
| SHA1 | f42707bb6b9687f5b2172a50bbe325bfcd1156b0 |
| SHA256 | 06588a9b1df750f826df0decf1584f2d3596acc21b125390ec473e986b6c3be5 |
| SHA512 | 69e21955f2517121b2c3a939eb82020d109e552e148f764b1fab27d9f158a82a867b387a4ec3ceb1b30ccbf869feec7794f1ae7616ff662a88467bfb578f7701 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-13 19:46
Reported
2023-10-13 20:31
Platform
win10v2004-20230915-en
Max time kernel
155s
Max time network
163s
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\NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.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\NEAS.1cf23f1a8d357c5e5466acdb7ed4dca0.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
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
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.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 | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 8.8.8.8:53 | 27.197.91.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 38.148.119.40.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 | 43.58.199.20.in-addr.arpa | udp |
| 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 | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 8.8.8.8:53 | 13.173.189.20.in-addr.arpa | udp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
Files
memory/2640-0-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2640-2-0x0000000000400000-0x0000000000409000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 31c36ac08fdf8f980b8059bd34c2550d |
| SHA1 | ac62cd3af80b5023caf87a1a21e2809be85b12c6 |
| SHA256 | a5fbcc54fc8402fb47cc10cd0166dd8f10654d98265e12a6daf964460cddb8b6 |
| SHA512 | 3d9df91c063fbb714487dfb58fe38898e0ba5f577880fdb9ec82b0d07bd2d5b3223ca70e7a26df97f505c7ea1dbfd667b91d7ccbbf8477d400c480044d013555 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 31c36ac08fdf8f980b8059bd34c2550d |
| SHA1 | ac62cd3af80b5023caf87a1a21e2809be85b12c6 |
| SHA256 | a5fbcc54fc8402fb47cc10cd0166dd8f10654d98265e12a6daf964460cddb8b6 |
| SHA512 | 3d9df91c063fbb714487dfb58fe38898e0ba5f577880fdb9ec82b0d07bd2d5b3223ca70e7a26df97f505c7ea1dbfd667b91d7ccbbf8477d400c480044d013555 |