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Analysis

  • max time kernel
    131s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 04:01

General

  • Target

    116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe

  • Size

    242KB

  • MD5

    116ec1b12439d8bbd2a4220e8a0c034a

  • SHA1

    b9acb1845b16752bfca051cd4f9ddb2487c7493d

  • SHA256

    1cc6193073a75d7ab69bc94ba2265ebaf3ee0e4780684acd242bb4eea298be6f

  • SHA512

    e33587be241640a30f0cb060a0d55bc140a63ce9d5eefb9c21dfc1f894ee73b4f727ba7d6d8bc2aac095ea6b8357c2118cd4a5bff1ba6d88c4fe94a53d95b6b0

  • SSDEEP

    6144:39ka8sKwB/q/4JZmFUq59nT4drJrLOgRHLslh2PA73:3KsRFq/uZmCq59TkVrLRrsr2PA73

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\AppData\Local\Temp\116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe"
      2⤵
        PID:1652
      • C:\Users\Admin\AppData\Local\Temp\116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\116ec1b12439d8bbd2a4220e8a0c034a_JaffaCakes118.exe"
        2⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\upd6e88b753.bat"
          3⤵
            PID:3228

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\upd6e88b753.bat

        Filesize

        277B

        MD5

        2ab0f7da93297074bd20d7180e27d6f0

        SHA1

        fc8e24180816a8ce08bc5de59b0710a017bb8538

        SHA256

        561aaab498fc25725d53aee5926f74d236e511bb6b491caaaaac7335ed245dad

        SHA512

        059df836b4678c1915faf955c003c5632e129271e0759d33e4248fb84c25b87ede1d390727320ecb63efc19abd851b082ea1cfd0cd02203872473c1c42af7a49

      • memory/1916-0-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1916-2-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1916-3-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1916-5-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB