Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 00:59

General

  • Target

    CFbug.exe

  • Size

    876KB

  • MD5

    031ef2689e3026c491a907a76b957ce4

  • SHA1

    3b5f31b99a253512dabf0553d501e6a21f1ada45

  • SHA256

    77a5441cf37174439f6c4957eb65820e1d32079923aeebcc06f288eaa1bc048d

  • SHA512

    1264e6f6d03ceb7f3ab15d1b26b43beda5f29c529c65c2f79e0f3e0547780d08c11c3e502a48d370bc244f99e074a0438945340991c71cf6a918d1c7e2b75522

  • SSDEEP

    12288:rN80JZv/+DZD2bJnnS7l+civY0p+rGwcR5nWFpPoSShs5K/t:rN8OdYD29nSZ+ciHp+NPbIhmK/t

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CFbug.exe
    "C:\Users\Admin\AppData\Local\Temp\CFbug.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2688
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2036

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2688-0-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-43-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-44-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-41-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-38-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-32-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-30-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-28-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-26-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-22-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-20-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-18-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-16-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-14-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-12-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-10-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-8-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-6-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-4-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-2-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-1-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-36-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-24-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB

          • memory/2688-45-0x0000000010000000-0x000000001003E000-memory.dmp

            Filesize

            248KB