Analysis Overview
SHA256
b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e
Threat Level: Known bad
The file b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e was found to be: Known bad.
Malicious Activity Summary
Sakula
Executes dropped EXE
Deletes itself
Loads dropped DLL
Adds Run key to start application
Modifies registry key
Runs ping.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-28 15:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-28 15:53
Reported
2022-02-28 15:58
Platform
win7-en-20211208
Max time kernel
285s
Max time network
288s
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\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.exe
"C:\Users\Admin\AppData\Local\Temp\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.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\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.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 |
| 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 |
| 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/1660-55-0x0000000075F81000-0x0000000075F83000-memory.dmp
memory/1660-56-0x0000000000401000-0x0000000000404000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | c2a6679d672e3995ce23d5d0361c854a |
| SHA1 | adc0b8681792cf059e9eb9859a083b77a5651535 |
| SHA256 | 789892bab25f05525d9ee032b9e6d69499689f996f09ad190d9c10dadb5e9583 |
| SHA512 | 8efbbd10a8a71d19b3574365b79097ec6c7d138a796559f1c12e8ef5a3b2682fed0a5129141f8ee2ce63213b8593c11864a90e880af07fb8ec39bd0033b4f731 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | c2a6679d672e3995ce23d5d0361c854a |
| SHA1 | adc0b8681792cf059e9eb9859a083b77a5651535 |
| SHA256 | 789892bab25f05525d9ee032b9e6d69499689f996f09ad190d9c10dadb5e9583 |
| SHA512 | 8efbbd10a8a71d19b3574365b79097ec6c7d138a796559f1c12e8ef5a3b2682fed0a5129141f8ee2ce63213b8593c11864a90e880af07fb8ec39bd0033b4f731 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | c2a6679d672e3995ce23d5d0361c854a |
| SHA1 | adc0b8681792cf059e9eb9859a083b77a5651535 |
| SHA256 | 789892bab25f05525d9ee032b9e6d69499689f996f09ad190d9c10dadb5e9583 |
| SHA512 | 8efbbd10a8a71d19b3574365b79097ec6c7d138a796559f1c12e8ef5a3b2682fed0a5129141f8ee2ce63213b8593c11864a90e880af07fb8ec39bd0033b4f731 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | c2a6679d672e3995ce23d5d0361c854a |
| SHA1 | adc0b8681792cf059e9eb9859a083b77a5651535 |
| SHA256 | 789892bab25f05525d9ee032b9e6d69499689f996f09ad190d9c10dadb5e9583 |
| SHA512 | 8efbbd10a8a71d19b3574365b79097ec6c7d138a796559f1c12e8ef5a3b2682fed0a5129141f8ee2ce63213b8593c11864a90e880af07fb8ec39bd0033b4f731 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-28 15:53
Reported
2022-02-28 15:58
Platform
win10-en-20211208
Max time kernel
281s
Max time network
284s
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 |
| 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\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.exe
"C:\Users\Admin\AppData\Local\Temp\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.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\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.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 |
| 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 |
| 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/3540-115-0x0000000000401000-0x0000000000404000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 16f86f85565789cc412fd969568f6b3f |
| SHA1 | b93351735aeda1aa18925679a153cb407293f0bf |
| SHA256 | 8323c5af48eeee648561b8d4f45d4a93750ec0784215dbaef1c52571f758f72d |
| SHA512 | e3b2fbd01506a2226a8a43cd20cb02474bb4cab900235a2223c0188ba39b7a208b804b2bd77f10af7fad5d0d5a00a94b92350a445004d15beb6ffaefcfb7848a |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 16f86f85565789cc412fd969568f6b3f |
| SHA1 | b93351735aeda1aa18925679a153cb407293f0bf |
| SHA256 | 8323c5af48eeee648561b8d4f45d4a93750ec0784215dbaef1c52571f758f72d |
| SHA512 | e3b2fbd01506a2226a8a43cd20cb02474bb4cab900235a2223c0188ba39b7a208b804b2bd77f10af7fad5d0d5a00a94b92350a445004d15beb6ffaefcfb7848a |
Analysis: behavioral3
Detonation Overview
Submitted
2022-02-28 15:53
Reported
2022-02-28 15:58
Platform
win10v2004-en-20220113
Max time kernel
241s
Max time network
273s
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 |
| 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\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.exe
"C:\Users\Admin\AppData\Local\Temp\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.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\b0144b6b820bbd7e84f82b2cbc63dfe25b858dd39f70e52efca66f5d5104046e.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"
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 | 13.107.4.50:80 | tcp | |
| US | 13.107.4.50:80 | 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 |
| US | 208.91.197.27:443 | vpn.premrera.com | tcp |
| US | 173.254.226.212:443 | tcp |
Files
memory/3320-130-0x0000000000401000-0x0000000000404000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 348cab12013d0bb99563504ccfe6f2c4 |
| SHA1 | 90858489641a388d19d27cdbd4c89d83e89cf7c1 |
| SHA256 | fdd8e6b083d810cdafc02070008c1b9c990bc99a860b8756dd3867766181a79f |
| SHA512 | de922692a294a10639976fd91565e99b58ab2db25651f0ea23944209028b33c46381f9a95b3199e78893c81ed554b4495d2baa514d9c97d6d9d33f06f0e75726 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 348cab12013d0bb99563504ccfe6f2c4 |
| SHA1 | 90858489641a388d19d27cdbd4c89d83e89cf7c1 |
| SHA256 | fdd8e6b083d810cdafc02070008c1b9c990bc99a860b8756dd3867766181a79f |
| SHA512 | de922692a294a10639976fd91565e99b58ab2db25651f0ea23944209028b33c46381f9a95b3199e78893c81ed554b4495d2baa514d9c97d6d9d33f06f0e75726 |