Analysis
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max time kernel
154s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe
Resource
win10v2004-en-20220113
General
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Target
0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe
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Size
144KB
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MD5
6dee3b23eb34596dd80d2774b23e36d8
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SHA1
1144a179bb6b400b2d4ec779949674b5ab3a6767
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SHA256
0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81
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SHA512
2f7039157f017781ad5c22d8c9b6d081de6246bb39ba73ba5cf31fcccad6807857b011a24116ebd185ef3657fe450fe7512ac13339f28b8d78ea2d8645bd614b
Malware Config
Signatures
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Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000600000001e7cd-130.dat family_sakula behavioral2/files/0x000600000001e7cd-131.dat family_sakula behavioral2/memory/3120-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3228-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
pid Process 3228 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 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.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" 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.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.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 696 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4552 svchost.exe Token: SeCreatePagefilePrivilege 4552 svchost.exe Token: SeShutdownPrivilege 4552 svchost.exe Token: SeCreatePagefilePrivilege 4552 svchost.exe Token: SeShutdownPrivilege 4552 svchost.exe Token: SeCreatePagefilePrivilege 4552 svchost.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeIncBasePriorityPrivilege 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe Token: SeBackupPrivilege 2008 TiWorker.exe Token: SeRestorePrivilege 2008 TiWorker.exe Token: SeSecurityPrivilege 2008 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3120 wrote to memory of 3228 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe 81 PID 3120 wrote to memory of 3228 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe 81 PID 3120 wrote to memory of 3228 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe 81 PID 3120 wrote to memory of 4572 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe 93 PID 3120 wrote to memory of 4572 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe 93 PID 3120 wrote to memory of 4572 3120 0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe 93 PID 4572 wrote to memory of 696 4572 cmd.exe 95 PID 4572 wrote to memory of 696 4572 cmd.exe 95 PID 4572 wrote to memory of 696 4572 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe"C:\Users\Admin\AppData\Local\Temp\0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3228
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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\0f58f3a4bfa973026e42b336205a63df205f7a0bf565321d7d08589bcfec6b81.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:696
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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:4552
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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:2008