Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 19:45

General

  • Target

    68ab36de0b34e529b6ddd96c8f98075b_JaffaCakes118.exe

  • Size

    449KB

  • MD5

    68ab36de0b34e529b6ddd96c8f98075b

  • SHA1

    ab77409aa0e5af627ab7cf5cf3c6bd60842020c2

  • SHA256

    39a3d42c051389be8c9743e097e1c53a1d119360d4f346b0809726ed42306665

  • SHA512

    f20791515d7c55a55690baf4dc0e6399c94542a8943193ba916bc0e84e73242db1d5301adfe0b7813d8c57a2ef71bf0dd9f3bd6d0a2fc7ecfe32985e766a248c

  • SSDEEP

    6144:JIbvnxNLgaJ5l72Xb+RgTWKvkPvy6nPuupjf3hEsjH8ZRwnt6l+vCTEM0Mb55yZ8:JmvHgU/OCPK8y6im9FiEXMiTF8

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • ModiLoader Second Stage 14 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68ab36de0b34e529b6ddd96c8f98075b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68ab36de0b34e529b6ddd96c8f98075b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\68ab36de0b34e529b6ddd96c8f98075b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\68ab36de0b34e529b6ddd96c8f98075b_JaffaCakes118.exe
      2⤵
      • Modifies firewall policy service
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\SysWOW64\javaup500.exe
        "C:\Windows\system32\javaup500.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Windows\SysWOW64\javaup500.exe
          C:\Windows\SysWOW64\javaup500.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3504
          • C:\Windows\mplay.exe
            "C:\Windows\mplay.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4904
            • C:\Windows\mplay.exe
              C:\Windows\mplay.exe
              6⤵
              • Adds policy Run key to start application
              • Boot or Logon Autostart Execution: Active Setup
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2600
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe"
                7⤵
                  PID:3836
        • C:\Windows\SysWOW64\javaup521.exe
          "C:\Windows\system32\javaup521.exe"
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          PID:2476

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\javaup500.exe

            Filesize

            157KB

            MD5

            ce5126b12926220c15d3df3a8ff6a05d

            SHA1

            5b39eaa17ce07ce42036b41fdc45dddd6d5a3605

            SHA256

            125600aa9078469bb6557c78806b039ae6d0a84078ae9c43033ee0c01696847b

            SHA512

            b919bf64142cd251653701fa190a54a0814f76ee084edfa250eceb12fda016def10373ba62d99c38717c4ec05bcdf4ecee0503af280904fbb87e8cebae735681

          • C:\Windows\SysWOW64\javaup521.exe

            Filesize

            89KB

            MD5

            455cbd925ab3487720eb6f5ff9b1ffdb

            SHA1

            198df5a489d2cb8b1ce17d8722836ec26b1b8cc1

            SHA256

            a3cd09616de6053da636542ac4297c3f665f16c11fa25a323f823c5357323c62

            SHA512

            b8644a5b77ac5fd3a043b9c128564d72381408b396e76daf198c3491c93aafd9375e8492985ff85cdf68748160cb726290edf74b4fbfafbdca519bb9f972d99f

          • memory/2200-109-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-113-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-7-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-116-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-3-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-114-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-102-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-1-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-21-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-6-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-101-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-98-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-99-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-96-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-107-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2200-103-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2424-19-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/2476-24-0x0000000002A60000-0x0000000002A77000-memory.dmp

            Filesize

            92KB

          • memory/2476-35-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/2476-23-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/2600-79-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/2600-82-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/2600-81-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/2600-80-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/2600-84-0x0000000010410000-0x0000000010455000-memory.dmp

            Filesize

            276KB

          • memory/2600-90-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-20-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-72-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-37-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-36-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-22-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-16-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3504-18-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/4640-2-0x0000000000400000-0x0000000000475000-memory.dmp

            Filesize

            468KB

          • memory/4904-78-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB