Analysis
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max time kernel
125s -
max time network
125s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
22-01-2022 01:14
Static task
static1
Behavioral task
behavioral1
Sample
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe
Resource
win10-en-20211208
General
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Target
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe
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Size
89KB
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MD5
a39729153ceaeaf9b3aded9a28d0e4dc
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SHA1
4a893e20379d454c94b637caf15a9eb8a20491fa
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SHA256
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b
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SHA512
4bf506c6552202d59dbc0ddfafbaa6386dcdf0feac1020b4c4ffed0fc386570e100b1f2f30fbeba59f7ce144f56e20b99a90c60ba2eec758cf072e8755535ca8
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 1332 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2028 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exepid process 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.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:
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exedescription pid process Token: SeIncBasePriorityPrivilege 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.execmd.exedescription pid process target process PID 1608 wrote to memory of 1332 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe MediaCenter.exe PID 1608 wrote to memory of 1332 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe MediaCenter.exe PID 1608 wrote to memory of 1332 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe MediaCenter.exe PID 1608 wrote to memory of 1332 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe MediaCenter.exe PID 1608 wrote to memory of 2028 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe cmd.exe PID 1608 wrote to memory of 2028 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe cmd.exe PID 1608 wrote to memory of 2028 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe cmd.exe PID 1608 wrote to memory of 2028 1608 2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe cmd.exe PID 2028 wrote to memory of 1612 2028 cmd.exe PING.EXE PID 2028 wrote to memory of 1612 2028 cmd.exe PING.EXE PID 2028 wrote to memory of 1612 2028 cmd.exe PING.EXE PID 2028 wrote to memory of 1612 2028 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe"C:\Users\Admin\AppData\Local\Temp\2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1332 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\2bcff388ad12a48cdb14fff8793b8581d357dcf5a6d44d6bd735fda2274a056b.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1612
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6e55b1e50f0c8bc75f82b3189c381ba6
SHA1a6e1a0c27928b084f973e0f20350a117ceaeaed4
SHA25693e3230c9ee8d6cbeb09f77f56e31771d008f1fe3d8c5ba3a53eccb28e7dbc3d
SHA5121f2c897d16ea03153b48a2b0393395708a3561be642f5c357c67bab003512c0bfa069bc83a86d19449f1b2a669271003f024ff5d660528322a3dc5fb06a3b5bd
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MD5
6e55b1e50f0c8bc75f82b3189c381ba6
SHA1a6e1a0c27928b084f973e0f20350a117ceaeaed4
SHA25693e3230c9ee8d6cbeb09f77f56e31771d008f1fe3d8c5ba3a53eccb28e7dbc3d
SHA5121f2c897d16ea03153b48a2b0393395708a3561be642f5c357c67bab003512c0bfa069bc83a86d19449f1b2a669271003f024ff5d660528322a3dc5fb06a3b5bd