Analysis Overview
SHA256
01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94
Threat Level: Known bad
The file 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94 was found to be: Known bad.
Malicious Activity Summary
Sakula
Executes dropped EXE
Deletes itself
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-12 12:18
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-12 12:18
Reported
2022-02-12 12:48
Platform
win7-en-20211208
Max time kernel
120s
Max time network
137s
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:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.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\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.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\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe
"C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.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\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| TH | 184.22.175.13:80 | tcp | |
| TH | 184.22.175.13:80 | tcp |
Files
memory/1624-55-0x0000000076641000-0x0000000076643000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 895a6f7cdc7837c2a39ccef535868da5 |
| SHA1 | 1ebf411f9af19496bc7c3d006d2b4bb542ed5700 |
| SHA256 | 8082a18fbe3a0c91d5d00d339ee5e35534c7edf11dacb21c219f8231512ea302 |
| SHA512 | 8dcd3743621f856203479d2c206857d3b0f0d6b902320c6a5f5704b9e8e5c0781d7eef11e71a63bbf1687a2904fb6ddd466f6dc9429be10cfd6b7ddc465cfd12 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 895a6f7cdc7837c2a39ccef535868da5 |
| SHA1 | 1ebf411f9af19496bc7c3d006d2b4bb542ed5700 |
| SHA256 | 8082a18fbe3a0c91d5d00d339ee5e35534c7edf11dacb21c219f8231512ea302 |
| SHA512 | 8dcd3743621f856203479d2c206857d3b0f0d6b902320c6a5f5704b9e8e5c0781d7eef11e71a63bbf1687a2904fb6ddd466f6dc9429be10cfd6b7ddc465cfd12 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 895a6f7cdc7837c2a39ccef535868da5 |
| SHA1 | 1ebf411f9af19496bc7c3d006d2b4bb542ed5700 |
| SHA256 | 8082a18fbe3a0c91d5d00d339ee5e35534c7edf11dacb21c219f8231512ea302 |
| SHA512 | 8dcd3743621f856203479d2c206857d3b0f0d6b902320c6a5f5704b9e8e5c0781d7eef11e71a63bbf1687a2904fb6ddd466f6dc9429be10cfd6b7ddc465cfd12 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-12 12:18
Reported
2022-02-12 12:48
Platform
win10v2004-en-20220113
Max time kernel
171s
Max time network
186s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.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\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\Logs\CBS\CBS.log | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\WinSxS\pending.xml | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.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
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe
"C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 52.109.8.21:443 | tcp | |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| NL | 8.248.3.254:80 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| NL | 8.248.3.254:80 | tcp | |
| NL | 8.248.3.254:80 | tcp | |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| TH | 184.22.175.13:80 | tcp | |
| US | 104.208.16.89:443 | tcp | |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| TH | 184.22.175.13:80 | tcp | |
| TH | 184.22.175.13:80 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 736fd0eec5e2007f5f4b1dcf2b1a175c |
| SHA1 | c9f7f499a759e48c8b1c6a95ff42d839b636b2d3 |
| SHA256 | b4c3dbeab7c7821669813d45be489d1ab67db18b805517670bfdd9ff9c3ed271 |
| SHA512 | 60f05c024063487e8f4e6718c89df1e339a7116b71aff081b0a046c3bdf251cee53f306a4315d3635e85400244dc6f4577a25c5cdc66860a96359f7d55c69d00 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 736fd0eec5e2007f5f4b1dcf2b1a175c |
| SHA1 | c9f7f499a759e48c8b1c6a95ff42d839b636b2d3 |
| SHA256 | b4c3dbeab7c7821669813d45be489d1ab67db18b805517670bfdd9ff9c3ed271 |
| SHA512 | 60f05c024063487e8f4e6718c89df1e339a7116b71aff081b0a046c3bdf251cee53f306a4315d3635e85400244dc6f4577a25c5cdc66860a96359f7d55c69d00 |
memory/4152-132-0x00000287D7D20000-0x00000287D7D30000-memory.dmp
memory/4152-133-0x00000287D7D80000-0x00000287D7D90000-memory.dmp
memory/4152-134-0x00000287DA450000-0x00000287DA454000-memory.dmp