Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/04/2024, 05:24

General

  • Target

    ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe

  • Size

    4.7MB

  • MD5

    ef398b61e90de340dab8751ab744624a

  • SHA1

    ac7d9ed48889461a2c8848dccd222e95d9464682

  • SHA256

    b91d9ef912d773a299cd29ebcf63da58dd98ef2e2c01bed0c0b178829dc0178f

  • SHA512

    39d960ec5c41bf8d9c46bc8de3e93fec500f38b260e96db98270894017011379b673455d5cc4173fca72b07b44bdee9cd4e147fb066401f373cf59f97d8858ca

  • SSDEEP

    98304:u8lX2QDrA+g+hi0Wf4zQGn3U1iXUPoQivnOQhIwsyPA5+x:JX2ArA+PhFUVHPoNvOQpA5k

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 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef398b61e90de340dab8751ab744624a_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 572
      2⤵
      • Program crash
      PID:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2008-0-0x0000000000210000-0x0000000000BFA000-memory.dmp

          Filesize

          9.9MB

        • memory/2008-1-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-4-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-8-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-9-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-6-0x0000000075AB0000-0x0000000075AF7000-memory.dmp

          Filesize

          284KB

        • memory/2008-10-0x0000000075AB0000-0x0000000075AF7000-memory.dmp

          Filesize

          284KB

        • memory/2008-11-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-12-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-14-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-13-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-15-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-16-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-17-0x0000000077DE0000-0x0000000077DE2000-memory.dmp

          Filesize

          8KB

        • memory/2008-19-0x0000000000210000-0x0000000000BFA000-memory.dmp

          Filesize

          9.9MB

        • memory/2008-18-0x0000000074DF0000-0x00000000754DE000-memory.dmp

          Filesize

          6.9MB

        • memory/2008-20-0x0000000000210000-0x0000000000BFA000-memory.dmp

          Filesize

          9.9MB

        • memory/2008-22-0x0000000000210000-0x0000000000BFA000-memory.dmp

          Filesize

          9.9MB

        • memory/2008-24-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-25-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-26-0x0000000075AB0000-0x0000000075AF7000-memory.dmp

          Filesize

          284KB

        • memory/2008-27-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-28-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-29-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-30-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2008-31-0x0000000074DF0000-0x00000000754DE000-memory.dmp

          Filesize

          6.9MB