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Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
27/11/2022, 15:54
General
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Target
98cf15505fcc65023b4e0b44070e29627ca560b65744d315ba24ce16abd23eb6.exe
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Size
544KB
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MD5
ac3c3cfe80075221faa650b1a929b07f
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SHA1
829a8e2af0dfa44a2e5b757c250f83c778977341
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SHA256
98cf15505fcc65023b4e0b44070e29627ca560b65744d315ba24ce16abd23eb6
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SHA512
43e5cbdc5bbf11ab49e5ec580eca341d5c92782a5cf8d51aa4a4eda107e33c992b9dff3c1fe3fa5e4b236751a8c720110fafd6290a40e5bcd5cebb1de794e6e5
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SSDEEP
12288:NRNRU7S8iTbBO7efStkG1thiYsZOJF24vvJVsa//yvAu:sGAefS+OSYjFjfvy
Malware Config
Signatures
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Luminosity
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops desktop.ini file(s) 2 IoCs
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Drops file in System32 directory 2 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\98cf15505fcc65023b4e0b44070e29627ca560b65744d315ba24ce16abd23eb6.exe"C:\Users\Admin\AppData\Local\Temp\98cf15505fcc65023b4e0b44070e29627ca560b65744d315ba24ce16abd23eb6.exe"1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\546706\sysmon.exe"C:\ProgramData\546706\sysmon.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
544KB
MD5ac3c3cfe80075221faa650b1a929b07f
SHA1829a8e2af0dfa44a2e5b757c250f83c778977341
SHA25698cf15505fcc65023b4e0b44070e29627ca560b65744d315ba24ce16abd23eb6
SHA51243e5cbdc5bbf11ab49e5ec580eca341d5c92782a5cf8d51aa4a4eda107e33c992b9dff3c1fe3fa5e4b236751a8c720110fafd6290a40e5bcd5cebb1de794e6e5
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Filesize
544KB
MD5ac3c3cfe80075221faa650b1a929b07f
SHA1829a8e2af0dfa44a2e5b757c250f83c778977341
SHA25698cf15505fcc65023b4e0b44070e29627ca560b65744d315ba24ce16abd23eb6
SHA51243e5cbdc5bbf11ab49e5ec580eca341d5c92782a5cf8d51aa4a4eda107e33c992b9dff3c1fe3fa5e4b236751a8c720110fafd6290a40e5bcd5cebb1de794e6e5
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Filesize
10.2MB
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Filesize
10.2MB