Analysis

  • max time kernel
    92s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 3 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

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
    PID:2396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 932
      2⤵
      • Program crash
      PID:1376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2396 -ip 2396
    1⤵
      PID:1368

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2396-0-0x0000000000100000-0x0000000000AEA000-memory.dmp

            Filesize

            9.9MB

          • memory/2396-1-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB

          • memory/2396-2-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB

          • memory/2396-3-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB

          • memory/2396-4-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB

          • memory/2396-5-0x0000000076F44000-0x0000000076F46000-memory.dmp

            Filesize

            8KB

          • memory/2396-6-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB

          • memory/2396-7-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB

          • memory/2396-11-0x0000000000100000-0x0000000000AEA000-memory.dmp

            Filesize

            9.9MB

          • memory/2396-12-0x0000000000100000-0x0000000000AEA000-memory.dmp

            Filesize

            9.9MB

          • memory/2396-13-0x0000000005A20000-0x0000000005FC4000-memory.dmp

            Filesize

            5.6MB

          • memory/2396-14-0x0000000005510000-0x00000000055A2000-memory.dmp

            Filesize

            584KB

          • memory/2396-16-0x0000000000100000-0x0000000000AEA000-memory.dmp

            Filesize

            9.9MB

          • memory/2396-17-0x0000000075A90000-0x0000000075B80000-memory.dmp

            Filesize

            960KB