Analysis

  • max time kernel
    138s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 11 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:4684
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cheeto.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3396
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cheeto.exe" MD5
        3⤵
          PID:3356
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:4492
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:2100

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4684-0-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-1-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-2-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-3-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-4-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-5-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-6-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-7-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-13-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-14-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB

        • memory/4684-15-0x00007FF6EBB10000-0x00007FF6EC569000-memory.dmp

          Filesize

          10.3MB