Resubmissions

19/03/2024, 18:11

240319-wsv6csag299

03/03/2024, 11:21

240303-nf56sshf9v9

03/03/2024, 11:15

240303-ncwg7aaa939

Analysis

  • max time kernel
    25s
  • max time network
    20s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/03/2024, 18:11

General

  • Target
    o_0/cheeto.exe
  • Size 4.0MB
  • Sample240319-wsv6csag29
  • SHA256 d5bd2d1990de46d98907c10c535cfe81ed10a9682fac36e089946ccc14ce3e0c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Sets service image path in registry 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 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\o_0\cheeto.exe
    "C:\Users\Admin\AppData\Local\Temp\o_0\cheeto.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Sets service image path in registry
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    PID:5116
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2848

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/5116-0-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-1-0x00007FF82EFC0000-0x00007FF82F19B000-memory.dmp

          memory/5116-2-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-3-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-4-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-5-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-6-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-7-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-8-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-16-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-18-0x00007FF7ECC70000-0x00007FF7ED6CA000-memory.dmp

          memory/5116-19-0x00007FF82EFC0000-0x00007FF82F19B000-memory.dmp