Analysis
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max time kernel
135s -
max time network
144s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 06:20
Static task
static1
Behavioral task
behavioral1
Sample
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe
Resource
win10v2004-en-20220113
General
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Target
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe
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Size
188KB
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MD5
48bee4a0acf0d4fd97e3de4c8cc22a85
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SHA1
36fecc532545d43c5ab39db3bfed7630d381383b
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SHA256
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc
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SHA512
75126b079923a74f1dc6d4787dc6efc7574c6d271c096fdcf58ffb8f7d43a4a21d89f473603cc06a94d86ad75784f982b81abcfdf4ff1e7091d61c7fe76765a8
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/976-58-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral1/memory/308-59-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 308 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1552 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exepid process 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.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:
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exedescription pid process Token: SeIncBasePriorityPrivilege 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.execmd.exedescription pid process target process PID 976 wrote to memory of 308 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe MediaCenter.exe PID 976 wrote to memory of 308 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe MediaCenter.exe PID 976 wrote to memory of 308 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe MediaCenter.exe PID 976 wrote to memory of 308 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe MediaCenter.exe PID 976 wrote to memory of 1552 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe cmd.exe PID 976 wrote to memory of 1552 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe cmd.exe PID 976 wrote to memory of 1552 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe cmd.exe PID 976 wrote to memory of 1552 976 1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe cmd.exe PID 1552 wrote to memory of 980 1552 cmd.exe PING.EXE PID 1552 wrote to memory of 980 1552 cmd.exe PING.EXE PID 1552 wrote to memory of 980 1552 cmd.exe PING.EXE PID 1552 wrote to memory of 980 1552 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe"C:\Users\Admin\AppData\Local\Temp\1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:308 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1042dd2e307f7144875a41b30c643af9299184685eecfa2657e1362f26c27afc.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
eaa239fa41e4754a931a8819eba403a7
SHA1766b7f90b9cfceb59b610472da4ca1cf847ff15a
SHA25619f37add8ad1f27d51e583184fca1186a9b94e242d29ed4f44f30d4c8d117965
SHA512073d30f77ae5f2ffb8040102efe309dd1ef344cbc57b175b47bab546ff34551aaab0bfaff30a3e952bcbf262e2fa93da224f0855ca3cebcbf072a3d2fe4cb405
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MD5
eaa239fa41e4754a931a8819eba403a7
SHA1766b7f90b9cfceb59b610472da4ca1cf847ff15a
SHA25619f37add8ad1f27d51e583184fca1186a9b94e242d29ed4f44f30d4c8d117965
SHA512073d30f77ae5f2ffb8040102efe309dd1ef344cbc57b175b47bab546ff34551aaab0bfaff30a3e952bcbf262e2fa93da224f0855ca3cebcbf072a3d2fe4cb405