Analysis
- max time kernel
153s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 02:57
Static task
static1
Behavioral task
behavioral1
Sample
18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe
- Size 89KB
- Sample220212-dfxvbafbg2
- SHA256 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3
- MD5 60b419cc2f0b4d5467429473cfae2f69
- SHA1 38acdfdbc1c09915f452693e0a1a1c756694d4a1
- SHA512 cfe9baa00cb44072bb8400d2eac67720dbeb3c2a80ce9bb870844b77bf16c877ef22cb7d0ec1019e24ebe91bb68ae1db9c4a72bb03f25f33defbe4f9eee0e7a3
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x00070000000220e3-130.dat family_sakula behavioral2/files/0x00070000000220e3-131.dat family_sakula behavioral2/memory/3592-132-0x0000000000400000-0x000000000041B000-memory.dmp family_sakula behavioral2/memory/1552-133-0x0000000000400000-0x000000000041B000-memory.dmp family_sakula - Executes dropped EXE 1 IoCs
pid Process 1552 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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.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" 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe - Modifies data under HKEY_USERS 46 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.124917" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3692" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.218914" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3664" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1780 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe Token: SeBackupPrivilege 2436 TiWorker.exe Token: SeRestorePrivilege 2436 TiWorker.exe Token: SeSecurityPrivilege 2436 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3592 wrote to memory of 1552 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe 58 PID 3592 wrote to memory of 1552 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe 58 PID 3592 wrote to memory of 1552 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe 58 PID 3592 wrote to memory of 1380 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe 78 PID 3592 wrote to memory of 1380 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe 78 PID 3592 wrote to memory of 1380 3592 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe 78 PID 1380 wrote to memory of 1780 1380 cmd.exe 80 PID 1380 wrote to memory of 1780 1380 cmd.exe 80 PID 1380 wrote to memory of 1780 1380 cmd.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe"C:\Users\Admin\AppData\Local\Temp\18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1552
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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\18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1780
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:776
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:960
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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:2436