Analysis

  • max time kernel
    141s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 15:51

General

  • Target

    cheeto.exe

  • Size

    3.9MB

  • MD5

    ec4784eb214b390523ce00434c723e1f

  • SHA1

    2d6b5be71ce1547dfbcd209136d38925f4b4762f

  • SHA256

    b52ca43121ef221e8de12a924e13239844d879c78d149a1085ca417b41487f9c

  • SHA512

    c46ccd44a68fc1b424dfe5df889e896ae2741b764a58d333793dc5f247f4c6ec8d2867761bdd6ccfe258dcff982703e222402712d0de5b8e74317ff40873c973

  • SSDEEP

    98304:DTAMLsl1C6SnTepFEKtAflzVU8fc4nf0jsfHld98NsaePZ:DTAde6eifEKtAfpVUqc4fAwd98CaeR

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cheeto.exe
    "C:\Users\Admin\AppData\Local\Temp\cheeto.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2356 -s 868
      2⤵
        PID:1744
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\New Text Document.txt
      1⤵
        PID:2844

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2356-0-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-1-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-2-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-3-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-4-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-5-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-6-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-7-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB

      • memory/2356-8-0x000000013F620000-0x0000000140079000-memory.dmp

        Filesize

        10.3MB