Analysis
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max time kernel
161s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 11:19
Static task
static1
Behavioral task
behavioral1
Sample
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe
Resource
win10v2004-en-20220113
General
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Target
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe
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Size
99KB
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MD5
92610180bcecce7015077ac1ec78b369
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SHA1
84a5393196e17841cdf759a24b1ea0ea063dd96f
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SHA256
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17
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SHA512
1549e542d0456b279e8e8c579bf0a8d30f66fa9f53bc86477aba015bce7bdf8a3396162ac56996a2458dd4adc4fc158421625eb31668565998bc8ef75d2e2b5b
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4592 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk 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.exe04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 3404 svchost.exe Token: SeCreatePagefilePrivilege 3404 svchost.exe Token: SeShutdownPrivilege 3404 svchost.exe Token: SeCreatePagefilePrivilege 3404 svchost.exe Token: SeShutdownPrivilege 3404 svchost.exe Token: SeCreatePagefilePrivilege 3404 svchost.exe Token: SeIncBasePriorityPrivilege 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe Token: SeBackupPrivilege 2548 TiWorker.exe Token: SeRestorePrivilege 2548 TiWorker.exe Token: SeSecurityPrivilege 2548 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.execmd.exedescription pid process target process PID 3996 wrote to memory of 4592 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe MediaCenter.exe PID 3996 wrote to memory of 4592 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe MediaCenter.exe PID 3996 wrote to memory of 4592 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe MediaCenter.exe PID 3996 wrote to memory of 2072 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe cmd.exe PID 3996 wrote to memory of 2072 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe cmd.exe PID 3996 wrote to memory of 2072 3996 04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe cmd.exe PID 2072 wrote to memory of 672 2072 cmd.exe PING.EXE PID 2072 wrote to memory of 672 2072 cmd.exe PING.EXE PID 2072 wrote to memory of 672 2072 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe"C:\Users\Admin\AppData\Local\Temp\04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4592 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04ab5e421107f1313eade160015b969a6f71a70c1d2dc8bcede4ab825e28bc17.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:672
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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:3404
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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:2548
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
186ed4152b4f349bdbef5b8ed4c32320
SHA1f0ce915863c700da5ed20ff3667b89fe08db6d2c
SHA256e2cd6f1a2675117ac6f76ad915fca59b1878e0802b3db008cb9b470d35ea4c4b
SHA51227ca58e7e454606b376a91cceead4fc660d4bf225f7ace48e7d180fbe33577671786efa2124da8163ac684e02ac7f9f34025bdabc3b3e4c43c3de1835d1d834d
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
186ed4152b4f349bdbef5b8ed4c32320
SHA1f0ce915863c700da5ed20ff3667b89fe08db6d2c
SHA256e2cd6f1a2675117ac6f76ad915fca59b1878e0802b3db008cb9b470d35ea4c4b
SHA51227ca58e7e454606b376a91cceead4fc660d4bf225f7ace48e7d180fbe33577671786efa2124da8163ac684e02ac7f9f34025bdabc3b3e4c43c3de1835d1d834d
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memory/3404-132-0x0000021C9FB50000-0x0000021C9FB60000-memory.dmpFilesize
64KB
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memory/3404-133-0x0000021CA0220000-0x0000021CA0230000-memory.dmpFilesize
64KB
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memory/3404-134-0x0000021CA28D0000-0x0000021CA28D4000-memory.dmpFilesize
16KB