Analysis
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max time kernel
136s -
max time network
135s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 00:04
Static task
static1
Behavioral task
behavioral1
Sample
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe
Resource
win10-en-20211208
General
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Target
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe
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Size
89KB
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MD5
04e8510007eea6bb009ab3b053f039db
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SHA1
b9e93e1a71d901e67764c48a6dc4818b8ec63a50
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SHA256
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425
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SHA512
20fd643f3ce7dc9c29b9425d48fedf07702fe125c57112b7435f62c2366160af497ee5e13980f179f342e32f8dd94646457ce92275ad3f598da251fbdb8ca0b0
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 -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1348 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 828 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exepid process 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.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:
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exedescription pid process Token: SeIncBasePriorityPrivilege 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.execmd.exedescription pid process target process PID 1916 wrote to memory of 1348 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe MediaCenter.exe PID 1916 wrote to memory of 1348 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe MediaCenter.exe PID 1916 wrote to memory of 1348 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe MediaCenter.exe PID 1916 wrote to memory of 1348 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe MediaCenter.exe PID 1916 wrote to memory of 828 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe cmd.exe PID 1916 wrote to memory of 828 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe cmd.exe PID 1916 wrote to memory of 828 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe cmd.exe PID 1916 wrote to memory of 828 1916 69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe cmd.exe PID 828 wrote to memory of 1044 828 cmd.exe PING.EXE PID 828 wrote to memory of 1044 828 cmd.exe PING.EXE PID 828 wrote to memory of 1044 828 cmd.exe PING.EXE PID 828 wrote to memory of 1044 828 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe"C:\Users\Admin\AppData\Local\Temp\69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1348 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\69a71e8d87e3f9c694dfb532f99cfdf186d2c6d7ca109e6890b5f2272d2d6425.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1044
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c77f7dbc0bc8bbf6bb5add96aa3e730c
SHA1c6d41d5b91e2ca5c3b919181825541f12c784465
SHA25641ae599840de5b65693cb4c66a86f9941a58386f452e79b8bea81f35de37b441
SHA512fb3940fa36167f13162551b350ee1a54b6bc3a30f3978ce1933a39d412553263400d6765795bce1bf0a9aa8a0cb8cddbd89f30d2e443fe25478235f64d984d80
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MD5
c77f7dbc0bc8bbf6bb5add96aa3e730c
SHA1c6d41d5b91e2ca5c3b919181825541f12c784465
SHA25641ae599840de5b65693cb4c66a86f9941a58386f452e79b8bea81f35de37b441
SHA512fb3940fa36167f13162551b350ee1a54b6bc3a30f3978ce1933a39d412553263400d6765795bce1bf0a9aa8a0cb8cddbd89f30d2e443fe25478235f64d984d80