Analysis
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max time kernel
154s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 02:56
Static task
static1
Behavioral task
behavioral1
Sample
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe
Resource
win10v2004-en-20220113
General
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Target
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe
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Size
150KB
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MD5
9a39a06f58f14bde5d03ddc3ad65cb32
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SHA1
55989167ab32aef6f5633b5cf8e05b32f7320dc0
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SHA256
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3
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SHA512
bf3e1ab4d8518bedcdfea3910c1c66955386c43d33892c10f38a0e0b45ce28c57acef7c05bb14b42699dacb09e9ffbeb5ba55f860fa7ece077ecf1fa28787586
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe 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
Processes:
MediaCenter.exepid process 1600 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 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 -
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
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exe18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4044 svchost.exe Token: SeCreatePagefilePrivilege 4044 svchost.exe Token: SeShutdownPrivilege 4044 svchost.exe Token: SeCreatePagefilePrivilege 4044 svchost.exe Token: SeShutdownPrivilege 4044 svchost.exe Token: SeCreatePagefilePrivilege 4044 svchost.exe Token: SeIncBasePriorityPrivilege 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe Token: SeBackupPrivilege 4428 TiWorker.exe Token: SeRestorePrivilege 4428 TiWorker.exe Token: SeSecurityPrivilege 4428 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.execmd.exedescription pid process target process PID 1320 wrote to memory of 1600 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe MediaCenter.exe PID 1320 wrote to memory of 1600 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe MediaCenter.exe PID 1320 wrote to memory of 1600 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe MediaCenter.exe PID 1320 wrote to memory of 4576 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe cmd.exe PID 1320 wrote to memory of 4576 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe cmd.exe PID 1320 wrote to memory of 4576 1320 18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe cmd.exe PID 4576 wrote to memory of 964 4576 cmd.exe PING.EXE PID 4576 wrote to memory of 964 4576 cmd.exe PING.EXE PID 4576 wrote to memory of 964 4576 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe"C:\Users\Admin\AppData\Local\Temp\18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1600 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18fcca26090ce421de0b9b207e5f8a4ffe367e9e20994586b8bbc79eba632cc3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:964
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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:4044
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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:4428
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
e46f996fcdcf737b3193c6a2877afaab
SHA1fd7bd930cb13cc229c7dccc0cf38b6edb5b7d1bb
SHA256cb4d0a483644c93da8facdea226d5a948982177e9a4115ded3ee6c670bdf250f
SHA5120ebb9207316d931c0ad359f5732f81cb9c5c25595a1f86933175e6aab2b1fd70e3e395c8ff43804fa440eed9efabbe754c0690b941c0217f5a48e82a77482ecd
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MD5
e46f996fcdcf737b3193c6a2877afaab
SHA1fd7bd930cb13cc229c7dccc0cf38b6edb5b7d1bb
SHA256cb4d0a483644c93da8facdea226d5a948982177e9a4115ded3ee6c670bdf250f
SHA5120ebb9207316d931c0ad359f5732f81cb9c5c25595a1f86933175e6aab2b1fd70e3e395c8ff43804fa440eed9efabbe754c0690b941c0217f5a48e82a77482ecd