Analysis
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max time kernel
126s -
max time network
157s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe
Resource
win10-en-20211208
General
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Target
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe
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Size
79KB
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MD5
b6b3e7b18384bb632602662a7f559bcd
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SHA1
e791e376afa6b555727ed534a69f85bfc0a744b5
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SHA256
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6
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SHA512
047258a417cf7a6d7305b6b657809aec2ab223cc58159e125f930effa93f1440c50acf8d205dd767245153dc066904eaca038519db2ddf0d3ae3e188fde4a071
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 1636 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1096 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exepid process 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.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:
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exedescription pid process Token: SeIncBasePriorityPrivilege 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.execmd.exedescription pid process target process PID 1684 wrote to memory of 1636 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe MediaCenter.exe PID 1684 wrote to memory of 1636 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe MediaCenter.exe PID 1684 wrote to memory of 1636 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe MediaCenter.exe PID 1684 wrote to memory of 1636 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe MediaCenter.exe PID 1684 wrote to memory of 1096 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe cmd.exe PID 1684 wrote to memory of 1096 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe cmd.exe PID 1684 wrote to memory of 1096 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe cmd.exe PID 1684 wrote to memory of 1096 1684 757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe cmd.exe PID 1096 wrote to memory of 964 1096 cmd.exe PING.EXE PID 1096 wrote to memory of 964 1096 cmd.exe PING.EXE PID 1096 wrote to memory of 964 1096 cmd.exe PING.EXE PID 1096 wrote to memory of 964 1096 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe"C:\Users\Admin\AppData\Local\Temp\757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1636 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\757b9ce02f954e646c803bf402bbdc697c642049e1730e4822db5e7864a1cce6.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:964
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
03f4118cabaaaba91bcac70aa0f0e82c
SHA1e679439f06486c0d9d03be403c5026919126e698
SHA2569bdd4d53782740a651793350decbad5d6349f9ced626cdc9dd3b221cc8901cda
SHA51237325bd0d8d47053d5bf654aa2b7bc45522d8901f4294031d5a8dc58d3eb28b9ba93646e645e5eb6f119680cde0c0bdf86dd337739724b1a77a7d6c9f6a65a6c
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MD5
03f4118cabaaaba91bcac70aa0f0e82c
SHA1e679439f06486c0d9d03be403c5026919126e698
SHA2569bdd4d53782740a651793350decbad5d6349f9ced626cdc9dd3b221cc8901cda
SHA51237325bd0d8d47053d5bf654aa2b7bc45522d8901f4294031d5a8dc58d3eb28b9ba93646e645e5eb6f119680cde0c0bdf86dd337739724b1a77a7d6c9f6a65a6c
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MD5
03f4118cabaaaba91bcac70aa0f0e82c
SHA1e679439f06486c0d9d03be403c5026919126e698
SHA2569bdd4d53782740a651793350decbad5d6349f9ced626cdc9dd3b221cc8901cda
SHA51237325bd0d8d47053d5bf654aa2b7bc45522d8901f4294031d5a8dc58d3eb28b9ba93646e645e5eb6f119680cde0c0bdf86dd337739724b1a77a7d6c9f6a65a6c