Analysis
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max time kernel
136s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2022 08:51
Behavioral task
behavioral1
Sample
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe
Resource
win10v2004-20220812-en
General
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Target
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe
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Size
98KB
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MD5
8946d4b46f5028f7c7e6c1f25941d5a0
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SHA1
18349c8b71169f43d3ea4553af3c381af52ec693
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SHA256
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a
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SHA512
de514410c424e69bc24895ea6c7cde5010954398bccabff914b9665a39d73965f094a5835dd84a0697d47d7eafec72127e9be20b82d41bb83e8d41f4c28ddc9d
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SSDEEP
1536:XQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrduxzuB:429DkEGRQixVSjLaes5G30B+G
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 4728 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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 1 IoCs
Processes:
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exedescription pid process Token: SeIncBasePriorityPrivilege 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.execmd.exedescription pid process target process PID 4560 wrote to memory of 4728 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe MediaCenter.exe PID 4560 wrote to memory of 4728 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe MediaCenter.exe PID 4560 wrote to memory of 4728 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe MediaCenter.exe PID 4560 wrote to memory of 432 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe cmd.exe PID 4560 wrote to memory of 432 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe cmd.exe PID 4560 wrote to memory of 432 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe cmd.exe PID 432 wrote to memory of 4244 432 cmd.exe PING.EXE PID 432 wrote to memory of 4244 432 cmd.exe PING.EXE PID 432 wrote to memory of 4244 432 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
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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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
98KB
MD5cf39c482f088e22b48e824f318afb5bd
SHA1d923224f77df7eae20c78a7e5e5c5bd7e28d95dd
SHA25639d47874f844c107085fa78add0c0c52d3c2e89193cf0a95cf8789373a228bef
SHA51244d5b71ce8acb8567537b6a98aa72311c3f13d4e8308821967b4ead2fe862364fe3b328ae6abb8822cbb5837aaf35df6eaaab7ae1f335ad0cdca513abf07254f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
98KB
MD5cf39c482f088e22b48e824f318afb5bd
SHA1d923224f77df7eae20c78a7e5e5c5bd7e28d95dd
SHA25639d47874f844c107085fa78add0c0c52d3c2e89193cf0a95cf8789373a228bef
SHA51244d5b71ce8acb8567537b6a98aa72311c3f13d4e8308821967b4ead2fe862364fe3b328ae6abb8822cbb5837aaf35df6eaaab7ae1f335ad0cdca513abf07254f
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memory/432-135-0x0000000000000000-mapping.dmp
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memory/4244-136-0x0000000000000000-mapping.dmp
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memory/4728-132-0x0000000000000000-mapping.dmp