Analysis
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max time kernel
138s -
max time network
157s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 05:46
Static task
static1
Behavioral task
behavioral1
Sample
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe
Resource
win10v2004-en-20220113
General
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Target
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe
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Size
99KB
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MD5
de2eaf2e82d0feb70a64c1b37d8146c2
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SHA1
576beba8e9cd46b725230e9affb673b02f9d14be
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SHA256
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b
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SHA512
955941b33ba0a1613bb8f46104bf73fc27cb4a2f077e3ae5ee228e17bd614c29550cf2f60e9b63a4ac8f420cccc3bb8f34e8e466a172120b7a8ea5ec3bd0e50f
Malware Config
Signatures
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Sakula Payload 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \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 1516 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 432 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exepid process 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.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:
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exedescription pid process Token: SeIncBasePriorityPrivilege 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.execmd.exedescription pid process target process PID 1568 wrote to memory of 1516 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe MediaCenter.exe PID 1568 wrote to memory of 1516 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe MediaCenter.exe PID 1568 wrote to memory of 1516 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe MediaCenter.exe PID 1568 wrote to memory of 1516 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe MediaCenter.exe PID 1568 wrote to memory of 432 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe cmd.exe PID 1568 wrote to memory of 432 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe cmd.exe PID 1568 wrote to memory of 432 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe cmd.exe PID 1568 wrote to memory of 432 1568 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe cmd.exe PID 432 wrote to memory of 1260 432 cmd.exe PING.EXE PID 432 wrote to memory of 1260 432 cmd.exe PING.EXE PID 432 wrote to memory of 1260 432 cmd.exe PING.EXE PID 432 wrote to memory of 1260 432 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe"C:\Users\Admin\AppData\Local\Temp\11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1516 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1260
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0ce4fb8f2348dfe88bbb3ed360363d14
SHA1797aef74733159d777b3b6a04eb9d8df3cf646cb
SHA2564c2b7669dafadf671bcc0b838d3fa482641d50bbb7cc5c36db0366e0cc06ec38
SHA512ccf0605327530320bbb448e718685786b8939fccbf9e12d3503fa790492689821f9f090660b67b32881b16e169837e0c63dafef17a1a21318fef17abb7464830
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MD5
0ce4fb8f2348dfe88bbb3ed360363d14
SHA1797aef74733159d777b3b6a04eb9d8df3cf646cb
SHA2564c2b7669dafadf671bcc0b838d3fa482641d50bbb7cc5c36db0366e0cc06ec38
SHA512ccf0605327530320bbb448e718685786b8939fccbf9e12d3503fa790492689821f9f090660b67b32881b16e169837e0c63dafef17a1a21318fef17abb7464830
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MD5
0ce4fb8f2348dfe88bbb3ed360363d14
SHA1797aef74733159d777b3b6a04eb9d8df3cf646cb
SHA2564c2b7669dafadf671bcc0b838d3fa482641d50bbb7cc5c36db0366e0cc06ec38
SHA512ccf0605327530320bbb448e718685786b8939fccbf9e12d3503fa790492689821f9f090660b67b32881b16e169837e0c63dafef17a1a21318fef17abb7464830