Analysis Overview
SHA256
7a3c203d3668423e2bf6e11568ceeac3c5081d06f304db0db39fea341833323e
Threat Level: Known bad
The file virussign.com_1bc0e4769e7c8d200892a2b1450961e0 was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
Sakula
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
Sakula payload
Sakula family
Executes dropped EXE
UPX packed file
Checks computer location settings
Loads dropped DLL
Deletes itself
Adds Run key to start application
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-16 08:13
Signatures
Sakula family
Sakula payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-16 08:13
Reported
2022-07-16 08:18
Platform
win7-20220414-en
Max time kernel
134s
Max time network
178s
Command Line
Signatures
Sakula
Sakula payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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:\Users\Admin\AppData\Local\Temp\virussign.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:\Users\Admin\AppData\Local\Temp\virussign.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\virussign.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\virussign.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.polarroute.com | udp |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 8.8.8.8:53 | www.northpoleroute.com | udp |
Files
memory/1516-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 78e8d366a9398e0122b01f5e7fcd11a9 |
| SHA1 | 07beb008010de20198cad3ecad910547656f1f23 |
| SHA256 | 95123cffb519372a9ef0d5eddd69e8349724d401a4d77f4a17010594f0f897eb |
| SHA512 | 21b4ffac9850a36ff2fa1a38832faea842034bd1cf79de84830c5527dc2d1cfb2532b0f7269f1ec8bcb72ad56f84052d466a7b623087bf00601912858227f1d4 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 78e8d366a9398e0122b01f5e7fcd11a9 |
| SHA1 | 07beb008010de20198cad3ecad910547656f1f23 |
| SHA256 | 95123cffb519372a9ef0d5eddd69e8349724d401a4d77f4a17010594f0f897eb |
| SHA512 | 21b4ffac9850a36ff2fa1a38832faea842034bd1cf79de84830c5527dc2d1cfb2532b0f7269f1ec8bcb72ad56f84052d466a7b623087bf00601912858227f1d4 |
memory/972-56-0x0000000000000000-mapping.dmp
memory/1516-59-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1516-60-0x0000000000440000-0x0000000000475000-memory.dmp
memory/972-61-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1684-62-0x0000000000000000-mapping.dmp
memory/1516-63-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1204-64-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-16 08:13
Reported
2022-07-16 08:16
Platform
win10v2004-20220414-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
Sakula
Sakula payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\virussign.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:\Users\Admin\AppData\Local\Temp\virussign.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\virussign.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\virussign.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 52.109.12.18:443 | tcp | |
| US | 8.8.8.8:53 | www.polarroute.com | udp |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 20.189.173.1:443 | tcp | |
| US | 13.107.21.200:443 | tcp | |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| NL | 178.79.208.1:80 | tcp | |
| US | 104.18.25.243:80 | tcp | |
| US | 204.11.56.48:80 | www.polarroute.com | tcp |
| US | 8.8.8.8:53 | www.northpoleroute.com | udp |
| US | 8.8.8.8:53 | www.northpoleroute.com | udp |
| US | 8.8.8.8:53 | www.northpoleroute.com | udp |
| US | 13.107.21.200:443 | tcp |
Files
memory/4088-130-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 349fbefe7935ba6d15c55c1f69f13d95 |
| SHA1 | 21b0009e3e4ceb65cf3f11b10b80183bf42239db |
| SHA256 | 11023e2ad8f91e567c54aa10fbe9110338c8a2d60eacd652d3b7c6f99d465551 |
| SHA512 | 4b68b5404d62b50aac704cac18544163620282f87b6b7219ee663285fdff81c8f4299ff47a9fb9d57ac5af34ae429106ee304218fa16dd9882207e91dbce0baf |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 349fbefe7935ba6d15c55c1f69f13d95 |
| SHA1 | 21b0009e3e4ceb65cf3f11b10b80183bf42239db |
| SHA256 | 11023e2ad8f91e567c54aa10fbe9110338c8a2d60eacd652d3b7c6f99d465551 |
| SHA512 | 4b68b5404d62b50aac704cac18544163620282f87b6b7219ee663285fdff81c8f4299ff47a9fb9d57ac5af34ae429106ee304218fa16dd9882207e91dbce0baf |
memory/3000-133-0x0000000000400000-0x0000000000435000-memory.dmp
memory/4088-134-0x0000000000400000-0x0000000000435000-memory.dmp
memory/4088-135-0x0000000000400000-0x0000000000435000-memory.dmp
memory/3528-136-0x0000000000000000-mapping.dmp
memory/3000-137-0x0000000000400000-0x0000000000435000-memory.dmp
memory/5076-138-0x0000000000000000-mapping.dmp