Analysis
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max time kernel
151s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe
Resource
win10v2004-en-20220113
General
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Target
0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe
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Size
216KB
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MD5
772e03d79983fd54ec91a07d06cf1d20
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SHA1
98c670cb2cf4c8d12b803328c637f2a4da0920d7
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SHA256
0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b
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SHA512
dbead2f26ca0b057c7a43569603d76f1d1724b48182b512beaff293eb5d8db1393510e384c9d515ffcbbd455e2acfbe3c019bd2a651e26c94756b23e4b56a755
Malware Config
Signatures
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Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000500000001e7c3-130.dat family_sakula behavioral2/files/0x000500000001e7c3-131.dat family_sakula behavioral2/memory/1288-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/5056-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
pid Process 5056 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 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.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" 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.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.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 4552 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe Token: SeBackupPrivilege 3688 TiWorker.exe Token: SeRestorePrivilege 3688 TiWorker.exe Token: SeSecurityPrivilege 3688 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1288 wrote to memory of 5056 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe 81 PID 1288 wrote to memory of 5056 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe 81 PID 1288 wrote to memory of 5056 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe 81 PID 1288 wrote to memory of 4788 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe 91 PID 1288 wrote to memory of 4788 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe 91 PID 1288 wrote to memory of 4788 1288 0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe 91 PID 4788 wrote to memory of 4552 4788 cmd.exe 93 PID 4788 wrote to memory of 4552 4788 cmd.exe 93 PID 4788 wrote to memory of 4552 4788 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe"C:\Users\Admin\AppData\Local\Temp\0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:5056
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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\0f65963f6c5025e68be3d0ee992f714b8b5431ffd5b2ace097175367050c812b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4552
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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:4448
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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:3688