Analysis
- max time kernel
145s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 12:54
Static task
static1
Behavioral task
behavioral1
Sample
0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe
- Size 160KB
- Sample220212-p5fswaecdn
- SHA256 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859
- MD5 6b60534ec20df1e8423bcdcad0c84a5a
- SHA1 217e86417141ee18d60759f55e0f973844459287
- SHA512 1db010eff2ceb248dc1dd42fdd3693c5aada8e347b01cb57d9b4ade6b56e9ef74394491dc7ff76912460fc2324c5777ed41998f5a7ce8650a4a07d6129c20bde
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000600000001e7b8-130.dat family_sakula behavioral2/files/0x000600000001e7b8-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 1544 MediaCenter.exe -
resource yara_rule behavioral2/files/0x000600000001e7b8-130.dat upx behavioral2/files/0x000600000001e7b8-131.dat upx - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 1060 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4844 svchost.exe Token: SeCreatePagefilePrivilege 4844 svchost.exe Token: SeShutdownPrivilege 4844 svchost.exe Token: SeCreatePagefilePrivilege 4844 svchost.exe Token: SeShutdownPrivilege 4844 svchost.exe Token: SeCreatePagefilePrivilege 4844 svchost.exe Token: SeIncBasePriorityPrivilege 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe Token: SeBackupPrivilege 1916 TiWorker.exe Token: SeRestorePrivilege 1916 TiWorker.exe Token: SeSecurityPrivilege 1916 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3536 wrote to memory of 1544 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe 81 PID 3536 wrote to memory of 1544 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe 81 PID 3536 wrote to memory of 1544 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe 81 PID 3536 wrote to memory of 2160 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe 97 PID 3536 wrote to memory of 2160 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe 97 PID 3536 wrote to memory of 2160 3536 0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe 97 PID 2160 wrote to memory of 1060 2160 cmd.exe 99 PID 2160 wrote to memory of 1060 2160 cmd.exe 99 PID 2160 wrote to memory of 1060 2160 cmd.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe"C:\Users\Admin\AppData\Local\Temp\0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1544
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0000b2fef428e92dae29996f177423dbf82e49523eaf70d03bc698114ab5d859.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1060
-
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4844
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1916