Analysis
- max time kernel
149s - max time network
171s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 09:28
Static task
static1
Behavioral task
behavioral1
Sample
09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe
- Size 79KB
- Sample220212-lfe89sccaj
- SHA256 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239
- MD5 cc32889924dd325f3d699b7d8ff23a7c
- SHA1 924b1ded093d4854f23b58b9cf64651f03d31046
- SHA512 8e582d2309910ddd7be3ff592fde534a822d43fd19b3c74a79031777f14d0d0c467a60c7e97cde008c9e42a34c152e1a42f1a07437a20a0cce2efbf53b1a3637
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e78c-130.dat family_sakula behavioral2/files/0x000400000001e78c-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 1268 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 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.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" 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.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.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 3048 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2448 svchost.exe Token: SeCreatePagefilePrivilege 2448 svchost.exe Token: SeShutdownPrivilege 2448 svchost.exe Token: SeCreatePagefilePrivilege 2448 svchost.exe Token: SeShutdownPrivilege 2448 svchost.exe Token: SeCreatePagefilePrivilege 2448 svchost.exe Token: SeIncBasePriorityPrivilege 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe Token: SeBackupPrivilege 1720 TiWorker.exe Token: SeRestorePrivilege 1720 TiWorker.exe Token: SeSecurityPrivilege 1720 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 540 wrote to memory of 1268 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe 82 PID 540 wrote to memory of 1268 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe 82 PID 540 wrote to memory of 1268 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe 82 PID 540 wrote to memory of 2232 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe 95 PID 540 wrote to memory of 2232 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe 95 PID 540 wrote to memory of 2232 540 09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe 95 PID 2232 wrote to memory of 3048 2232 cmd.exe 97 PID 2232 wrote to memory of 3048 2232 cmd.exe 97 PID 2232 wrote to memory of 3048 2232 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe"C:\Users\Admin\AppData\Local\Temp\09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1268
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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\09fe6361c45b001aa3032b82ae1c6287b8d687615a502f8e78fb52f11f9b8239.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3048
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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:2448
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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:1720