Analysis
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max time kernel
126s -
max time network
159s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 09:36
Static task
static1
Behavioral task
behavioral1
Sample
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe
Resource
win10v2004-en-20220112
General
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Target
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe
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Size
191KB
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MD5
a5a3b807c886b205b12d70d190bb37a9
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SHA1
c191e5ab9df27b9f0049622d3d10cab7efa1f97e
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SHA256
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557
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SHA512
6ac50ba34e59c65cf763735a6bace05c4c7c8474496ce30ca2118577fc8726b6d4564ffc53bf5c9faef95355e4bbb8017d0d907c522a39daf936577020804e59
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 C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \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 400 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exepid process 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.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:
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exedescription pid process Token: SeIncBasePriorityPrivilege 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.execmd.exedescription pid process target process PID 1436 wrote to memory of 1636 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe MediaCenter.exe PID 1436 wrote to memory of 1636 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe MediaCenter.exe PID 1436 wrote to memory of 1636 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe MediaCenter.exe PID 1436 wrote to memory of 1636 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe MediaCenter.exe PID 1436 wrote to memory of 400 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe cmd.exe PID 1436 wrote to memory of 400 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe cmd.exe PID 1436 wrote to memory of 400 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe cmd.exe PID 1436 wrote to memory of 400 1436 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe cmd.exe PID 400 wrote to memory of 740 400 cmd.exe PING.EXE PID 400 wrote to memory of 740 400 cmd.exe PING.EXE PID 400 wrote to memory of 740 400 cmd.exe PING.EXE PID 400 wrote to memory of 740 400 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe"C:\Users\Admin\AppData\Local\Temp\098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436 -
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\098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:400 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:740
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c7fb094ae36b4eed35aa9ad697af835a
SHA1fba329412b7dc7b3d09e7f02bd07c8044ddebebf
SHA256889692763f9026088342ce0f219d83f90395b80b2d6850fd68c52c2b8de7f7c3
SHA5121809f865458dc2bb353f1f3356254efd9c13ce8d35ab672085c2ad3a30119b60cc13607db62bd15e20b88ff1450e37c33ca61c5ffe9f468047f94e565bb236ef
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c7fb094ae36b4eed35aa9ad697af835a
SHA1fba329412b7dc7b3d09e7f02bd07c8044ddebebf
SHA256889692763f9026088342ce0f219d83f90395b80b2d6850fd68c52c2b8de7f7c3
SHA5121809f865458dc2bb353f1f3356254efd9c13ce8d35ab672085c2ad3a30119b60cc13607db62bd15e20b88ff1450e37c33ca61c5ffe9f468047f94e565bb236ef
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c7fb094ae36b4eed35aa9ad697af835a
SHA1fba329412b7dc7b3d09e7f02bd07c8044ddebebf
SHA256889692763f9026088342ce0f219d83f90395b80b2d6850fd68c52c2b8de7f7c3
SHA5121809f865458dc2bb353f1f3356254efd9c13ce8d35ab672085c2ad3a30119b60cc13607db62bd15e20b88ff1450e37c33ca61c5ffe9f468047f94e565bb236ef
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memory/1436-55-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB