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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 06:23

General

  • Target

    bab106507c48849beaa2ad170377fdff_JaffaCakes118.dll

  • Size

    42KB

  • MD5

    bab106507c48849beaa2ad170377fdff

  • SHA1

    512503b72d2f465acf2a98fa2711322dd7019cb1

  • SHA256

    df14aa7b313cffa572bf4b7d0a3fb160e4de0bd29291dbf730d1fa668c79b4cc

  • SHA512

    1e6b0518cc2d934a9753fc5cb3f0630f426b35f4b83d1e88c3f07538177eb790ddc643958ad92a74275db070fa9f219013d91925606c7355d76b3a9b984a4d15

  • SSDEEP

    768:xwUa1FXxKieFI5y09EkQVmRDaZrpMRnOD5Cu482Z/nQmYFiM4gwJmFch2F:xwFXxK/FI5t9EkQVKiroytm5QFCu

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bab106507c48849beaa2ad170377fdff_JaffaCakes118.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\bab106507c48849beaa2ad170377fdff_JaffaCakes118.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3336
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\ljJBqrOI.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:2876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\ljJBqrOI.dll

      Filesize

      42KB

      MD5

      bab106507c48849beaa2ad170377fdff

      SHA1

      512503b72d2f465acf2a98fa2711322dd7019cb1

      SHA256

      df14aa7b313cffa572bf4b7d0a3fb160e4de0bd29291dbf730d1fa668c79b4cc

      SHA512

      1e6b0518cc2d934a9753fc5cb3f0630f426b35f4b83d1e88c3f07538177eb790ddc643958ad92a74275db070fa9f219013d91925606c7355d76b3a9b984a4d15

    • memory/2876-27-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/2876-25-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/2876-26-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/3336-1-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

      Filesize

      32KB

    • memory/3336-5-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/3336-4-0x000000001000E000-0x0000000010013000-memory.dmp

      Filesize

      20KB

    • memory/3336-14-0x00000000013A0000-0x00000000013B4000-memory.dmp

      Filesize

      80KB

    • memory/3336-15-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/3336-16-0x000000001000E000-0x0000000010013000-memory.dmp

      Filesize

      20KB

    • memory/3336-0-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/3336-2-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB

    • memory/3336-3-0x0000000010000000-0x0000000010014000-memory.dmp

      Filesize

      80KB