Analysis Overview
SHA256
bdca0c7f1c605c0c7276aace42c629d34351a3a96bc1e6f92143a574d7056448
Threat Level: Known bad
The file e8c9b7f59a3a01397d9e5a7be24aba70_exe32.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
Modifies registry key
Runs ping.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-15 19:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-15 19:49
Reported
2023-10-16 01:41
Platform
win7-20230831-en
Max time kernel
142s
Max time network
154s
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\e8c9b7f59a3a01397d9e5a7be24aba70_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\e8c9b7f59a3a01397d9e5a7be24aba70_exe32.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\e8c9b7f59a3a01397d9e5a7be24aba70_exe32.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 | 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 |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
Files
memory/2124-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2124-1-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2124-3-0x0000000000400000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 883951d65fa1f12b3c90532aa9ef7559 |
| SHA1 | 6220f46ec93752e98a3f4963c38362347f309625 |
| SHA256 | 802eb58b93f000b19fab6f4283b5cfdbe9a7fd802536972931ad45004aae1b80 |
| SHA512 | 86b7fc6af4998e86705b2e8d21f6d1ef5e8bb914f6cb911effed464880cf929555a90abd395240b770cb4fe90228523f00d7832348be9bdf962bbfe30d203a7d |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 883951d65fa1f12b3c90532aa9ef7559 |
| SHA1 | 6220f46ec93752e98a3f4963c38362347f309625 |
| SHA256 | 802eb58b93f000b19fab6f4283b5cfdbe9a7fd802536972931ad45004aae1b80 |
| SHA512 | 86b7fc6af4998e86705b2e8d21f6d1ef5e8bb914f6cb911effed464880cf929555a90abd395240b770cb4fe90228523f00d7832348be9bdf962bbfe30d203a7d |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 883951d65fa1f12b3c90532aa9ef7559 |
| SHA1 | 6220f46ec93752e98a3f4963c38362347f309625 |
| SHA256 | 802eb58b93f000b19fab6f4283b5cfdbe9a7fd802536972931ad45004aae1b80 |
| SHA512 | 86b7fc6af4998e86705b2e8d21f6d1ef5e8bb914f6cb911effed464880cf929555a90abd395240b770cb4fe90228523f00d7832348be9bdf962bbfe30d203a7d |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 883951d65fa1f12b3c90532aa9ef7559 |
| SHA1 | 6220f46ec93752e98a3f4963c38362347f309625 |
| SHA256 | 802eb58b93f000b19fab6f4283b5cfdbe9a7fd802536972931ad45004aae1b80 |
| SHA512 | 86b7fc6af4998e86705b2e8d21f6d1ef5e8bb914f6cb911effed464880cf929555a90abd395240b770cb4fe90228523f00d7832348be9bdf962bbfe30d203a7d |
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-15 19:49
Reported
2023-10-16 01:41
Platform
win10v2004-20230915-en
Max time kernel
141s
Max time network
156s
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\e8c9b7f59a3a01397d9e5a7be24aba70_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\e8c9b7f59a3a01397d9e5a7be24aba70_exe32.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\e8c9b7f59a3a01397d9e5a7be24aba70_exe32.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 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.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 | 11.227.111.52.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 |
| 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/1760-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1760-1-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1760-3-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 48941d7f9ecdaff4cac38744c5963729 |
| SHA1 | 81b197bc674aa67c3eef95807f2ba9e10a91a8f1 |
| SHA256 | 37d279b569e4e6ef6aa0e8d9392b9a3be97a1505c6004bf8bcb57f69810a57b5 |
| SHA512 | 62d0321ac0d7ef310062cb26b2a4a629711223c2176b1a41f1bd0b70478c68c7074512c8cfbea923d54fdc1ede06c42104a6e40d7bf409ea4896391022d6ea61 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 48941d7f9ecdaff4cac38744c5963729 |
| SHA1 | 81b197bc674aa67c3eef95807f2ba9e10a91a8f1 |
| SHA256 | 37d279b569e4e6ef6aa0e8d9392b9a3be97a1505c6004bf8bcb57f69810a57b5 |
| SHA512 | 62d0321ac0d7ef310062cb26b2a4a629711223c2176b1a41f1bd0b70478c68c7074512c8cfbea923d54fdc1ede06c42104a6e40d7bf409ea4896391022d6ea61 |