Analysis

  • max time kernel
    226s
  • max time network
    216s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 13:53

General

  • Target

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

  • Size

    267KB

  • MD5

    03f81f69db69634c13210bae6b4598f4

  • SHA1

    6710382e4f58f97f99fca1ae6b189fcc67e9011d

  • SHA256

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

  • SHA512

    f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

  • SSDEEP

    6144:LIl3YnIIHBJ0X4U3cCIUqWzInoBdm4XORyGB7W0OnyYLSAXQ:ElYhQ4UMCIMdw3BTOyYLlg

Malware Config

Signatures

  • Luminosity

    Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
    "C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
      "C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\ProgramData\788257\sysconfig.exe
        "C:\ProgramData\788257\sysconfig.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1160
        • C:\ProgramData\788257\sysconfig.exe
          "C:\ProgramData\788257\sysconfig.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\788257\sysconfig.exe

    Filesize

    267KB

    MD5

    03f81f69db69634c13210bae6b4598f4

    SHA1

    6710382e4f58f97f99fca1ae6b189fcc67e9011d

    SHA256

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

    SHA512

    f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

  • C:\ProgramData\788257\sysconfig.exe

    Filesize

    267KB

    MD5

    03f81f69db69634c13210bae6b4598f4

    SHA1

    6710382e4f58f97f99fca1ae6b189fcc67e9011d

    SHA256

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

    SHA512

    f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

  • C:\ProgramData\788257\sysconfig.exe

    Filesize

    267KB

    MD5

    03f81f69db69634c13210bae6b4598f4

    SHA1

    6710382e4f58f97f99fca1ae6b189fcc67e9011d

    SHA256

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

    SHA512

    f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

  • \ProgramData\788257\sysconfig.exe

    Filesize

    267KB

    MD5

    03f81f69db69634c13210bae6b4598f4

    SHA1

    6710382e4f58f97f99fca1ae6b189fcc67e9011d

    SHA256

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

    SHA512

    f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

  • \ProgramData\788257\sysconfig.exe

    Filesize

    267KB

    MD5

    03f81f69db69634c13210bae6b4598f4

    SHA1

    6710382e4f58f97f99fca1ae6b189fcc67e9011d

    SHA256

    b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

    SHA512

    f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

  • memory/520-55-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/520-56-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/520-54-0x00000000757C1000-0x00000000757C3000-memory.dmp

    Filesize

    8KB

  • memory/692-58-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/692-67-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/692-69-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/692-65-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/692-62-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/692-60-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/692-57-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/692-98-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/692-77-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/1160-96-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/1160-76-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/1628-87-0x0000000000070000-0x00000000000CE000-memory.dmp

    Filesize

    376KB

  • memory/1628-91-0x0000000000070000-0x00000000000CE000-memory.dmp

    Filesize

    376KB

  • memory/1628-94-0x0000000000070000-0x00000000000CE000-memory.dmp

    Filesize

    376KB

  • memory/1628-97-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB

  • memory/1628-99-0x00000000747E0000-0x0000000074D8B000-memory.dmp

    Filesize

    5.7MB