Analysis
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max time kernel
152s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe
Resource
win10v2004-en-20220113
General
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Target
0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe
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Size
170KB
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MD5
bfef77600166f1ce95448e8f1fd4017a
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SHA1
af452885b4d7b37b7c721df4a40bc775e4493b91
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SHA256
0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f
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SHA512
4418ca4fe88165a20b8435a6bbb3cbd6668b510ab663e9a3f135f617271d1bf3c0714ce919f82db4804a54a444820e817bf70c5a2cf840aa6aaa99cd9eb48839
Malware Config
Signatures
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Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000400000001e795-130.dat family_sakula behavioral2/files/0x000400000001e795-131.dat family_sakula behavioral2/memory/2088-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2056-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
pid Process 2056 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 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.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" 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 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 -
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 116 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe Token: SeShutdownPrivilege 3852 svchost.exe Token: SeCreatePagefilePrivilege 3852 svchost.exe Token: SeShutdownPrivilege 3852 svchost.exe Token: SeCreatePagefilePrivilege 3852 svchost.exe Token: SeShutdownPrivilege 3852 svchost.exe Token: SeCreatePagefilePrivilege 3852 svchost.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe Token: SeBackupPrivilege 3948 TiWorker.exe Token: SeRestorePrivilege 3948 TiWorker.exe Token: SeSecurityPrivilege 3948 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2088 wrote to memory of 2056 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe 82 PID 2088 wrote to memory of 2056 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe 82 PID 2088 wrote to memory of 2056 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe 82 PID 2088 wrote to memory of 1980 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe 93 PID 2088 wrote to memory of 1980 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe 93 PID 2088 wrote to memory of 1980 2088 0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe 93 PID 1980 wrote to memory of 116 1980 cmd.exe 95 PID 1980 wrote to memory of 116 1980 cmd.exe 95 PID 1980 wrote to memory of 116 1980 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe"C:\Users\Admin\AppData\Local\Temp\0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2056
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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\0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:116
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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:3852
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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:3948