Analysis Overview
SHA256
280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7
Threat Level: Known bad
The file 280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7 was found to be: Known bad.
Malicious Activity Summary
Sakula
Executes dropped EXE
Deletes itself
Loads dropped DLL
Adds Run key to start application
Drops file in System32 directory
Modifies registry key
Runs ping.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-20 05:57
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-20 05:57
Reported
2022-03-20 21:21
Platform
win7-20220311-en
Max time kernel
4294195s
Max time network
155s
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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.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 |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| 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\280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7.exe
"C:\Users\Admin\AppData\Local\Temp\280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7.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\280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7.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 |
Files
memory/972-54-0x00000000760A1000-0x00000000760A3000-memory.dmp
memory/972-55-0x0000000000400000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 43538c79814a61bd1141e791048705ae |
| SHA1 | 1999162d5fd2295fb01d6ae83b729dc3f67cf398 |
| SHA256 | 2dba1a5af19ce59338da6489f7dd9ebdab90275f8d52623f2e4a8c3ec4b48c23 |
| SHA512 | 35ec806d0368fdc226b8efa667c3c5dbed87a11ef61d9831776d92d0bc27945da1970b63c7153080521765a05735a7cd907c4fd29fe4bd133e610148d1e7bf98 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 43538c79814a61bd1141e791048705ae |
| SHA1 | 1999162d5fd2295fb01d6ae83b729dc3f67cf398 |
| SHA256 | 2dba1a5af19ce59338da6489f7dd9ebdab90275f8d52623f2e4a8c3ec4b48c23 |
| SHA512 | 35ec806d0368fdc226b8efa667c3c5dbed87a11ef61d9831776d92d0bc27945da1970b63c7153080521765a05735a7cd907c4fd29fe4bd133e610148d1e7bf98 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 43538c79814a61bd1141e791048705ae |
| SHA1 | 1999162d5fd2295fb01d6ae83b729dc3f67cf398 |
| SHA256 | 2dba1a5af19ce59338da6489f7dd9ebdab90275f8d52623f2e4a8c3ec4b48c23 |
| SHA512 | 35ec806d0368fdc226b8efa667c3c5dbed87a11ef61d9831776d92d0bc27945da1970b63c7153080521765a05735a7cd907c4fd29fe4bd133e610148d1e7bf98 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 43538c79814a61bd1141e791048705ae |
| SHA1 | 1999162d5fd2295fb01d6ae83b729dc3f67cf398 |
| SHA256 | 2dba1a5af19ce59338da6489f7dd9ebdab90275f8d52623f2e4a8c3ec4b48c23 |
| SHA512 | 35ec806d0368fdc226b8efa667c3c5dbed87a11ef61d9831776d92d0bc27945da1970b63c7153080521765a05735a7cd907c4fd29fe4bd133e610148d1e7bf98 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-20 05:57
Reported
2022-03-20 21:20
Platform
win10v2004-20220310-en
Max time kernel
147s
Max time network
168s
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 |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C579840E-7AAB-4BE5-878F-E9F2F0A572D9}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6E7307F9-E79A-441A-A7F5-77E96C761E3C}.catalogItem | C:\Windows\System32\svchost.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\280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7.exe
"C:\Users\Admin\AppData\Local\Temp\280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
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\280622602950739b9b13be1aa783a895f674e85d0dccf78d6350bcaa214361a7.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 | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| US | 20.96.63.25:443 | licensing.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | storesdk.dsx.mp.microsoft.com | udp |
| NL | 104.80.225.205:443 | storesdk.dsx.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| US | 20.96.63.25:443 | licensing.mp.microsoft.com | tcp |
| NL | 13.69.109.131:443 | tcp | |
| NL | 104.80.225.205:443 | storesdk.dsx.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| US | 20.96.63.25:443 | licensing.mp.microsoft.com | tcp |
| 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/3464-134-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 410422fe8bff1a11fd69980ea879fa4f |
| SHA1 | 3743d56d27603e856377660c98d5f63dcc6cf9a8 |
| SHA256 | e22ee7b25c493600004b75b2039426f50ae30b2e845f8c417b4aa9a9cc7d12fd |
| SHA512 | e243a77ea7d6c4d69ab485463bbfe105ca133b3f847ec88605fa4fdf5c261602ec44dad8790f8bb05bd674917880c59dcaaa31695cef81b4e4ac0f6910c2b281 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 410422fe8bff1a11fd69980ea879fa4f |
| SHA1 | 3743d56d27603e856377660c98d5f63dcc6cf9a8 |
| SHA256 | e22ee7b25c493600004b75b2039426f50ae30b2e845f8c417b4aa9a9cc7d12fd |
| SHA512 | e243a77ea7d6c4d69ab485463bbfe105ca133b3f847ec88605fa4fdf5c261602ec44dad8790f8bb05bd674917880c59dcaaa31695cef81b4e4ac0f6910c2b281 |
memory/3716-137-0x0000000000400000-0x000000000040B000-memory.dmp