Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 15:52

General

  • Target

    8378669bb680e8f9f1b119af478bd7f1_JaffaCakes118.exe

  • Size

    32KB

  • MD5

    8378669bb680e8f9f1b119af478bd7f1

  • SHA1

    5451fd915ff5c3a89a4c003e55122cd94fe985a5

  • SHA256

    dcff17166a640b9230c5bc8f0eeeec4160f3f4ffff09e430a010c7d8ab67fc54

  • SHA512

    edffe6511ea44485664cc553ab658b103fc5d012cbf8a94ef2759fc3f59ed6fcdbaf088617352645984d13eb2e1d8d737d2573e7e97befcc641f93b395ae32a9

  • SSDEEP

    768:7DpPPPPPf1nCl0cUl4VFINpZWq+HfB8sWZ3U2xrPaaTOKtBbC:7DpPPPPPfQ0ZoIlAHkZEyrPaaTO+h

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8378669bb680e8f9f1b119af478bd7f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8378669bb680e8f9f1b119af478bd7f1_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • \??\c:\windows\SysWOW64\wuaucldt.exe
      c:\windows\system32\wuaucldt.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2556
      • \??\c:\users\admin\wuaucldt.exe
        c:\users\admin\wuaucldt.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          PID:3044
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del c:\windows\syswow64\wuaucldt.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2296
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del c:\users\admin\appdata\local\temp\837866~1.EXE
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2376

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\wuaucldt.exe

          Filesize

          32KB

          MD5

          8378669bb680e8f9f1b119af478bd7f1

          SHA1

          5451fd915ff5c3a89a4c003e55122cd94fe985a5

          SHA256

          dcff17166a640b9230c5bc8f0eeeec4160f3f4ffff09e430a010c7d8ab67fc54

          SHA512

          edffe6511ea44485664cc553ab658b103fc5d012cbf8a94ef2759fc3f59ed6fcdbaf088617352645984d13eb2e1d8d737d2573e7e97befcc641f93b395ae32a9

        • memory/2280-1-0x0000000009000000-0x0000000009009000-memory.dmp

          Filesize

          36KB

        • memory/2280-2-0x0000000009000000-0x0000000009009000-memory.dmp

          Filesize

          36KB

        • memory/2280-3-0x0000000070000000-0x000000007000B000-memory.dmp

          Filesize

          44KB

        • memory/2280-13-0x00000000002D0000-0x00000000002DB000-memory.dmp

          Filesize

          44KB

        • memory/2280-58-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2280-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2492-29-0x0000000070000000-0x000000007000B000-memory.dmp

          Filesize

          44KB

        • memory/2492-27-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2556-26-0x0000000000250000-0x000000000025B000-memory.dmp

          Filesize

          44KB

        • memory/2556-15-0x0000000009000000-0x0000000009009000-memory.dmp

          Filesize

          36KB

        • memory/3044-34-0x0000000000080000-0x0000000000089000-memory.dmp

          Filesize

          36KB

        • memory/3044-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3044-31-0x0000000000080000-0x0000000000089000-memory.dmp

          Filesize

          36KB

        • memory/3044-36-0x0000000000080000-0x0000000000089000-memory.dmp

          Filesize

          36KB

        • memory/3044-37-0x0000000000080000-0x0000000000089000-memory.dmp

          Filesize

          36KB

        • memory/3044-40-0x0000000000080000-0x0000000000089000-memory.dmp

          Filesize

          36KB

        • memory/3044-41-0x0000000000080000-0x0000000000089000-memory.dmp

          Filesize

          36KB