Analysis
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max time kernel
145s -
max time network
160s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 11:11
Static task
static1
Behavioral task
behavioral1
Sample
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe
Resource
win10v2004-en-20220113
General
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Target
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe
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Size
188KB
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MD5
d9157c112b541e1d7a729c52eebfa9a0
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SHA1
912ecfe378314a7958405196806d2abf66c59f15
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SHA256
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb
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SHA512
6c21976886f87519d1abf8e2b97056fccb28b960323f972244492c272fd33335c71afdcb657015e423c35678961cb3357b4e6d0fbc928d92ea8097d30ce3db39
Malware Config
Signatures
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Sakula Payload 4 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 behavioral1/memory/964-58-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral1/memory/1600-59-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1600 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 324 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exepid process 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.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:
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exedescription pid process Token: SeIncBasePriorityPrivilege 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.execmd.exedescription pid process target process PID 964 wrote to memory of 1600 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe MediaCenter.exe PID 964 wrote to memory of 1600 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe MediaCenter.exe PID 964 wrote to memory of 1600 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe MediaCenter.exe PID 964 wrote to memory of 1600 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe MediaCenter.exe PID 964 wrote to memory of 324 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe cmd.exe PID 964 wrote to memory of 324 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe cmd.exe PID 964 wrote to memory of 324 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe cmd.exe PID 964 wrote to memory of 324 964 051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe cmd.exe PID 324 wrote to memory of 436 324 cmd.exe PING.EXE PID 324 wrote to memory of 436 324 cmd.exe PING.EXE PID 324 wrote to memory of 436 324 cmd.exe PING.EXE PID 324 wrote to memory of 436 324 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe"C:\Users\Admin\AppData\Local\Temp\051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1600 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\051a5de14f6a0afec7c33669690af0486e83f05805ff6de794bb1f85b605b2bb.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:436
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
87b5248aae125d8239b74f4cc9c43931
SHA12be8437e6c0f9975b349b53573ba33a714475b17
SHA25616db77e64b46469028ab18c0b0ee75622ca717692cca21875eb20b8d59203308
SHA512d6ed8da33b8e7199ae409b808ef7e033438f91580a9e1e86ab6636d7865d9f6890b22cc32f3de5740f7c410fdd877dff0fddf107b673a92ee5487c8023c8f6b6
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
87b5248aae125d8239b74f4cc9c43931
SHA12be8437e6c0f9975b349b53573ba33a714475b17
SHA25616db77e64b46469028ab18c0b0ee75622ca717692cca21875eb20b8d59203308
SHA512d6ed8da33b8e7199ae409b808ef7e033438f91580a9e1e86ab6636d7865d9f6890b22cc32f3de5740f7c410fdd877dff0fddf107b673a92ee5487c8023c8f6b6
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memory/964-54-0x0000000075601000-0x0000000075603000-memory.dmpFilesize
8KB
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memory/964-58-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1600-59-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB