Analysis

  • max time kernel
    146s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 15:21

General

  • Target

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035.exe

  • Size

    267KB

  • MD5

    73189127106a82789164e3e2b83d4ce5

  • SHA1

    221e08a774a46b84e36fa55aa0a82f10af813765

  • SHA256

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035

  • SHA512

    df9a1ca3ded719b59c5c74021635f02aeef9c0b1cb258e275f651eff63d59767ce38f3b45747767a0a1a961fac3b406d101ea4cc0e1c0d6599ce76305db94dba

  • SSDEEP

    6144:5v+2p5fGOmQ2lBZnUnoJHwGYbf6JvMumZnRFgsWct8lXp:J+2p5pmQg5U6HCSdmZR2otk5

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 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035.exe
    "C:\Users\Admin\AppData\Local\Temp\497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035.exe
      "C:\Users\Admin\AppData\Local\Temp\497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\ProgramData\265367\helper.exe
        "C:\ProgramData\265367\helper.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\ProgramData\265367\helper.exe
          "C:\ProgramData\265367\helper.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
          • Suspicious use of WriteProcessMemory
          PID:1972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\265367\helper.exe

    Filesize

    267KB

    MD5

    73189127106a82789164e3e2b83d4ce5

    SHA1

    221e08a774a46b84e36fa55aa0a82f10af813765

    SHA256

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035

    SHA512

    df9a1ca3ded719b59c5c74021635f02aeef9c0b1cb258e275f651eff63d59767ce38f3b45747767a0a1a961fac3b406d101ea4cc0e1c0d6599ce76305db94dba

  • C:\ProgramData\265367\helper.exe

    Filesize

    267KB

    MD5

    73189127106a82789164e3e2b83d4ce5

    SHA1

    221e08a774a46b84e36fa55aa0a82f10af813765

    SHA256

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035

    SHA512

    df9a1ca3ded719b59c5c74021635f02aeef9c0b1cb258e275f651eff63d59767ce38f3b45747767a0a1a961fac3b406d101ea4cc0e1c0d6599ce76305db94dba

  • C:\ProgramData\265367\helper.exe

    Filesize

    267KB

    MD5

    73189127106a82789164e3e2b83d4ce5

    SHA1

    221e08a774a46b84e36fa55aa0a82f10af813765

    SHA256

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035

    SHA512

    df9a1ca3ded719b59c5c74021635f02aeef9c0b1cb258e275f651eff63d59767ce38f3b45747767a0a1a961fac3b406d101ea4cc0e1c0d6599ce76305db94dba

  • \ProgramData\265367\helper.exe

    Filesize

    267KB

    MD5

    73189127106a82789164e3e2b83d4ce5

    SHA1

    221e08a774a46b84e36fa55aa0a82f10af813765

    SHA256

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035

    SHA512

    df9a1ca3ded719b59c5c74021635f02aeef9c0b1cb258e275f651eff63d59767ce38f3b45747767a0a1a961fac3b406d101ea4cc0e1c0d6599ce76305db94dba

  • \ProgramData\265367\helper.exe

    Filesize

    267KB

    MD5

    73189127106a82789164e3e2b83d4ce5

    SHA1

    221e08a774a46b84e36fa55aa0a82f10af813765

    SHA256

    497d69084c82c0578576fb2d90c1cac706325f3a9da8626aebdc69b3c9340035

    SHA512

    df9a1ca3ded719b59c5c74021635f02aeef9c0b1cb258e275f651eff63d59767ce38f3b45747767a0a1a961fac3b406d101ea4cc0e1c0d6599ce76305db94dba

  • memory/980-59-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/980-64-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/980-66-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/980-61-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/980-69-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/980-90-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/980-93-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/980-57-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/980-56-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/1092-76-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1092-92-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1380-68-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1380-55-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1380-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB

  • memory/1972-91-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-94-0x0000000074270000-0x000000007481B000-memory.dmp

    Filesize

    5.7MB