Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 01:39

General

  • Target

    8c7d007b7cead86475ce822c372a6c1d_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    8c7d007b7cead86475ce822c372a6c1d

  • SHA1

    14f3c1de7c47e8c90b7c598d308308aeabfea3af

  • SHA256

    d2a060a3f3ee661a05e460cd969be8b54123131b488c4d3a2e06593050066a0c

  • SHA512

    7510e287b1128cffc4015e942306d760287803ae3e8d8c51febb40ccf41add29d014a7c56f1715d9be4f3d556eb6cec7df47bbf013a25b88fcf43167b3a96dea

  • SSDEEP

    49152:O/UtRmsSjWWBHkUo8NI/1rWBrTdOPXpXTcoP7r9WaeUF:rtyiW1ro8NcOrZOvpzP7rgaeUF

Score
9/10

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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c7d007b7cead86475ce822c372a6c1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c7d007b7cead86475ce822c372a6c1d_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 1792
      2⤵
        PID:472

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

            Filesize

            70KB

            MD5

            49aebf8cbd62d92ac215b2923fb1b9f5

            SHA1

            1723be06719828dda65ad804298d0431f6aff976

            SHA256

            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

            SHA512

            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          • memory/472-37-0x0000000001EE0000-0x0000000002342000-memory.dmp

            Filesize

            4.4MB

          • memory/472-38-0x0000000002620000-0x0000000002A82000-memory.dmp

            Filesize

            4.4MB

          • memory/472-42-0x0000000001EE0000-0x0000000002342000-memory.dmp

            Filesize

            4.4MB

          • memory/472-43-0x0000000002620000-0x0000000002A82000-memory.dmp

            Filesize

            4.4MB

          • memory/1848-0-0x0000000000C70000-0x00000000010D2000-memory.dmp

            Filesize

            4.4MB

          • memory/1848-41-0x0000000000C70000-0x00000000010D2000-memory.dmp

            Filesize

            4.4MB