Analysis
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max time kernel
121s -
max time network
139s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 03:57
Static task
static1
Behavioral task
behavioral1
Sample
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe
Resource
win10v2004-en-20220112
General
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Target
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe
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Size
80KB
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MD5
460f466ce5f06e297b9b70d576d59223
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SHA1
e8cdb49dae2a4b74eac963961a1a68a5e622497b
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SHA256
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f
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SHA512
5338bf5c186990e5387034935917052575275cf2ec8008d5824459f964b4c1fb0cc4dc448fd4598f18cc13e2a402337b86951df0f29192e0f9ecb13e6ccf93bd
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 1696 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 436 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exepid process 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.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:
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exedescription pid process Token: SeIncBasePriorityPrivilege 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.execmd.exedescription pid process target process PID 1512 wrote to memory of 1696 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe MediaCenter.exe PID 1512 wrote to memory of 1696 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe MediaCenter.exe PID 1512 wrote to memory of 1696 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe MediaCenter.exe PID 1512 wrote to memory of 1696 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe MediaCenter.exe PID 1512 wrote to memory of 436 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe cmd.exe PID 1512 wrote to memory of 436 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe cmd.exe PID 1512 wrote to memory of 436 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe cmd.exe PID 1512 wrote to memory of 436 1512 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe cmd.exe PID 436 wrote to memory of 1132 436 cmd.exe PING.EXE PID 436 wrote to memory of 1132 436 cmd.exe PING.EXE PID 436 wrote to memory of 1132 436 cmd.exe PING.EXE PID 436 wrote to memory of 1132 436 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe"C:\Users\Admin\AppData\Local\Temp\1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1696 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:436 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1132
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c4fc815c2ffd6ca5762473cd132be963
SHA137ce8b4df67efa747a227fe77c8e97c8fe35508b
SHA256a162ae2f87f9d34e85acc5f0d912c0e1c8f5a4fd786c4f6a202f1534c9559543
SHA51249b26f01e677d3c1734ec0623d4b061359cd1d3f27d915802e1e6551583778b6ad980e1d4f959cf79504865e730ddc9ed3a4da6347a3cae45d09f9e0fd6eec87
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MD5
c4fc815c2ffd6ca5762473cd132be963
SHA137ce8b4df67efa747a227fe77c8e97c8fe35508b
SHA256a162ae2f87f9d34e85acc5f0d912c0e1c8f5a4fd786c4f6a202f1534c9559543
SHA51249b26f01e677d3c1734ec0623d4b061359cd1d3f27d915802e1e6551583778b6ad980e1d4f959cf79504865e730ddc9ed3a4da6347a3cae45d09f9e0fd6eec87
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MD5
c4fc815c2ffd6ca5762473cd132be963
SHA137ce8b4df67efa747a227fe77c8e97c8fe35508b
SHA256a162ae2f87f9d34e85acc5f0d912c0e1c8f5a4fd786c4f6a202f1534c9559543
SHA51249b26f01e677d3c1734ec0623d4b061359cd1d3f27d915802e1e6551583778b6ad980e1d4f959cf79504865e730ddc9ed3a4da6347a3cae45d09f9e0fd6eec87