Analysis
- max time kernel
136s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 06:46
Static task
static1
Behavioral task
behavioral1
Sample
0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe
- Size 191KB
- Sample220212-hj14csagfk
- SHA256 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1
- MD5 c7ce5d421f071196c2a0213c1e0579d0
- SHA1 6ae5039ec7f4fff938b2cbf499640eefd435648a
- SHA512 9a2f492eb748dff29c44ed04253f94a251099088aa961c1d1f9434a112cb952066bbd4a762aeae6bcd77c55ed7ae1eb9e8d332acd0950751baa825b04f55ea72
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001e7b2-130.dat family_sakula behavioral2/files/0x000300000001e7b2-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 1248 MediaCenter.exe - 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 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.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" 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm 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 544 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3364 svchost.exe Token: SeCreatePagefilePrivilege 3364 svchost.exe Token: SeShutdownPrivilege 3364 svchost.exe Token: SeCreatePagefilePrivilege 3364 svchost.exe Token: SeShutdownPrivilege 3364 svchost.exe Token: SeCreatePagefilePrivilege 3364 svchost.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe Token: SeRestorePrivilege 4656 TiWorker.exe Token: SeSecurityPrivilege 4656 TiWorker.exe Token: SeBackupPrivilege 4656 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1848 wrote to memory of 1248 1848 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe 82 PID 1848 wrote to memory of 1248 1848 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe 82 PID 1848 wrote to memory of 1248 1848 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe 82 PID 1848 wrote to memory of 452 1848 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe 104 PID 1848 wrote to memory of 452 1848 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe 104 PID 1848 wrote to memory of 452 1848 0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe 104 PID 452 wrote to memory of 544 452 cmd.exe 106 PID 452 wrote to memory of 544 452 cmd.exe 106 PID 452 wrote to memory of 544 452 cmd.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe"C:\Users\Admin\AppData\Local\Temp\0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1248
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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\0f0475feaefb09b82bcc6484844a8a6cbcd9527739e22cc7f4eed76120d5a5e1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:544
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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:3364
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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:4656