Analysis
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max time kernel
151s -
max time network
161s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
22-01-2022 00:03
Static task
static1
Behavioral task
behavioral1
Sample
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe
Resource
win10-en-20211208
General
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Target
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe
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Size
89KB
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MD5
ef855c88842821a15a80bbee00024817
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SHA1
5b28af3c34fd2eddd6e5a715142aa237d8cd0e20
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SHA256
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca
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SHA512
4b51939a0f63ea5b1fc1402f907235f6e7c5d2f56db6680f69062322745db58fe9b681996f3c434d03954665c0ec1b78bdd5a7c208a556b06a64cb8e10b25610
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule \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 1128 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1220 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exepid process 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.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:
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exedescription pid process Token: SeIncBasePriorityPrivilege 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.execmd.exedescription pid process target process PID 812 wrote to memory of 1128 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe MediaCenter.exe PID 812 wrote to memory of 1128 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe MediaCenter.exe PID 812 wrote to memory of 1128 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe MediaCenter.exe PID 812 wrote to memory of 1128 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe MediaCenter.exe PID 812 wrote to memory of 1220 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe cmd.exe PID 812 wrote to memory of 1220 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe cmd.exe PID 812 wrote to memory of 1220 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe cmd.exe PID 812 wrote to memory of 1220 812 71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe cmd.exe PID 1220 wrote to memory of 1056 1220 cmd.exe PING.EXE PID 1220 wrote to memory of 1056 1220 cmd.exe PING.EXE PID 1220 wrote to memory of 1056 1220 cmd.exe PING.EXE PID 1220 wrote to memory of 1056 1220 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe"C:\Users\Admin\AppData\Local\Temp\71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1128 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\71e0fba078adc470d9c1ba33afc12a60a7a56cbf6b146578f3ce6e422c4a99ca.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1056
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2826752a66f88df7871b703efd4c8640
SHA1a8190cddf2b50002231d00e25de7590bff364d9c
SHA256322bd729bc9af9e22a74bbc8970a3564a0c9b1606a595d67d95baf77c60b7260
SHA51258eaec9f98b31471227329dae1a8536101f0fe18d0c7f228caa895d53e3d962950d330ee6ab02af034b84706fd6fe6671632a03c2f7c533a91a4eaf262ab987c
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MD5
2826752a66f88df7871b703efd4c8640
SHA1a8190cddf2b50002231d00e25de7590bff364d9c
SHA256322bd729bc9af9e22a74bbc8970a3564a0c9b1606a595d67d95baf77c60b7260
SHA51258eaec9f98b31471227329dae1a8536101f0fe18d0c7f228caa895d53e3d962950d330ee6ab02af034b84706fd6fe6671632a03c2f7c533a91a4eaf262ab987c