Analysis
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max time kernel
139s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:37
Static task
static1
Behavioral task
behavioral1
Sample
0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe
Resource
win10v2004-en-20220113
General
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Target
0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe
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Size
80KB
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MD5
33574dfc4811cda63c21cf7f32bbce5e
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SHA1
a815af1246167842e568dae31ed819ecb2e391d8
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SHA256
0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c
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SHA512
aaaa6493a0fe760bda0d4f389b367c012c1418236b2dd3f517b1dcf86fb713835af3c35b10475785419771e13cda216f70697a8129ee2408361a460be8e8749e
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e8c7-130.dat family_sakula behavioral2/files/0x000400000001e8c7-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 4004 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 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.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" 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb 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 1180 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1656 svchost.exe Token: SeCreatePagefilePrivilege 1656 svchost.exe Token: SeShutdownPrivilege 1656 svchost.exe Token: SeCreatePagefilePrivilege 1656 svchost.exe Token: SeShutdownPrivilege 1656 svchost.exe Token: SeCreatePagefilePrivilege 1656 svchost.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeIncBasePriorityPrivilege 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe Token: SeBackupPrivilege 1028 TiWorker.exe Token: SeRestorePrivilege 1028 TiWorker.exe Token: SeSecurityPrivilege 1028 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4232 wrote to memory of 4004 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe 82 PID 4232 wrote to memory of 4004 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe 82 PID 4232 wrote to memory of 4004 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe 82 PID 4232 wrote to memory of 3188 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe 97 PID 4232 wrote to memory of 3188 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe 97 PID 4232 wrote to memory of 3188 4232 0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe 97 PID 3188 wrote to memory of 1180 3188 cmd.exe 99 PID 3188 wrote to memory of 1180 3188 cmd.exe 99 PID 3188 wrote to memory of 1180 3188 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe"C:\Users\Admin\AppData\Local\Temp\0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4004
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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\0f806ffd94c274e3604e64f35fddd7710cf8c7d6c674276d6dcfc38ce50f615c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1180
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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:1656
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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:1028