Analysis

  • max time kernel
    40s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:57

General

  • Target

    00000056431.exe

  • Size

    462KB

  • MD5

    84f834b868b0e17a6d1ce5b7ee4e04be

  • SHA1

    8d4f5fe04c16574d22a6a17d3f2d751d817293dd

  • SHA256

    6fb90df91c05a8ded30de9ef0a21bb41e2c4f1ee3c9ef814877feb500cf8cac6

  • SHA512

    84154d9717741df46e7fb257e092e11a3250024f0b422ec3e497068c6dfd85be07ea566d04308fbd6b62c51317165185690512a938346cb43dddc39291e3e3ec

Score
10/10

Malware Config

Signatures

  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00000056431.exe
    "C:\Users\Admin\AppData\Local\Temp\00000056431.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Users\Admin\AppData\Local\Temp\00000056431.exe
      "{path}"
      2⤵
        PID:1976
      • C:\Users\Admin\AppData\Local\Temp\00000056431.exe
        "{path}"
        2⤵
          PID:892
        • C:\Users\Admin\AppData\Local\Temp\00000056431.exe
          "{path}"
          2⤵
            PID:1652
          • C:\Users\Admin\AppData\Local\Temp\00000056431.exe
            "{path}"
            2⤵
              PID:1860
            • C:\Users\Admin\AppData\Local\Temp\00000056431.exe
              "{path}"
              2⤵
                PID:1716

            Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/316-54-0x00000000003D0000-0x000000000044A000-memory.dmp

              Filesize

              488KB

            • memory/316-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

              Filesize

              8KB

            • memory/316-56-0x00000000003A0000-0x00000000003A8000-memory.dmp

              Filesize

              32KB

            • memory/316-57-0x00000000040B0000-0x0000000004108000-memory.dmp

              Filesize

              352KB