Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 15:52

General

  • Target

    d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    d7d8861d85d511805da394b0ab8a35b0

  • SHA1

    fbb42a3f2f4132ec239f4bbadddc5f178ed24391

  • SHA256

    b07a874234004167500fdcb2943469dc53f98ccaabe3ee323ad18e331a99ea73

  • SHA512

    c05bb16f237a5255cebe40b2eb38633d8adf09e92d1f8aa7f55a9c9e30d550edb90cf925ce9224bb8bec79ed23ae8d1cb6199c0f52cf023d239497ef235c499e

  • SSDEEP

    24576:JWjGw4fYEDmoDIYM4kTucANkhpr6wXUBUey8R8rJhVp82K+Wge9xCE+:JWjNOY94qUW9rJdWHge9U

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • 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.

  • Loads dropped DLL 5 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1124
      • C:\Users\Admin\AppData\Local\Temp\d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\d7d8861d85d511805da394b0ab8a35b0_JaffaCakes118.exe"
        2⤵
        • Checks BIOS information in registry
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Users\Admin\AppData\Local\Temp\Bifrost.exe
          "C:\Users\Admin\AppData\Local\Temp\Bifrost.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          PID:1844
        • C:\Users\Admin\AppData\Local\Temp\mlek.exe
          "C:\Users\Admin\AppData\Local\Temp\mlek.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2124
          • C:\Users\Admin\AppData\Local\Temp\mlek.exe
            C:\Users\Admin\AppData\Local\Temp\mlek.exe
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\mlek.exe

      Filesize

      64KB

      MD5

      b91f459e16ebe71f0796867bcd815725

      SHA1

      d344e4a6bdd848d5c151bce682a0e79e223efddc

      SHA256

      f71ac7f55dcfb009f71cafc2e476c57ad9fc6ca40f1ef461b578bea5826ce2aa

      SHA512

      6eb17a7d2072a4eb7aa01ab590c06642ddfef261b3e688a759ffc6ce1dedf4f5718646e9b0fccc7201576ec02bd10d3c52415b2b8453780fc5e446308f96e860

    • \Users\Admin\AppData\Local\Temp\Bifrost.exe

      Filesize

      1.2MB

      MD5

      e97d5e060420acd5008b56d0c375fefe

      SHA1

      7e63947053e60bdb88cc883eef7b818d0d50a67e

      SHA256

      fa97790738772eec28f0e51446e26784c9776098549c6254f88c78b7ea13b45b

      SHA512

      14b49d110948722522d1ab858d7488e49d3744f8a4872f6892037091dc687366ee2668aa53fdcd52568296ef1236c7d4cae3f2a5d2002a9e0deca88152c05007

    • memory/1124-43-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

      Filesize

      4KB

    • memory/1124-40-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

      Filesize

      28KB

    • memory/1700-22-0x0000000004BD0000-0x0000000004D0A000-memory.dmp

      Filesize

      1.2MB

    • memory/1700-1-0x0000000000401000-0x0000000000409000-memory.dmp

      Filesize

      32KB

    • memory/1700-3-0x0000000000400000-0x0000000000615000-memory.dmp

      Filesize

      2.1MB

    • memory/1700-0-0x0000000000400000-0x0000000000615000-memory.dmp

      Filesize

      2.1MB

    • memory/1700-20-0x0000000000400000-0x0000000000615000-memory.dmp

      Filesize

      2.1MB

    • memory/1700-21-0x0000000000401000-0x0000000000409000-memory.dmp

      Filesize

      32KB

    • memory/1844-54-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-56-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-67-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-31-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-66-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-65-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-60-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/1844-59-0x0000000000400000-0x000000000053A000-memory.dmp

      Filesize

      1.2MB

    • memory/2748-32-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2748-37-0x0000000000400000-0x00000000004083A0-memory.dmp

      Filesize

      32KB

    • memory/2748-52-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2748-36-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2748-34-0x0000000000400000-0x00000000004083A0-memory.dmp

      Filesize

      32KB

    • memory/2748-27-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2748-29-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB