Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 13:19

General

  • Target

    e93527b115490081dfd3c43ee722bfc7_JaffaCakes118.exe

  • Size

    336KB

  • MD5

    e93527b115490081dfd3c43ee722bfc7

  • SHA1

    eb11f83e96fa0fb2a256152da5e2a0afa1f31916

  • SHA256

    bd8edf342ed7e098956be2b4869d4dbb74e4a99009298658a6eabed2173acef5

  • SHA512

    6db73a56551527024c5e195f1aadefdd53eba5973a57b116f9bb164d2d245cda18ea07f1a9f54ff18c57c2711c9b523c2f609db71ef57f3a795a63d7a0cdc983

  • SSDEEP

    6144:lDF+39NG7BBg5Qda8Xs3GghUB19c3txCLGWwJrvFdWbY4d0zHmnTXjj62b4v18Ui:tF+39NG7BBg5Qda8Xs2CgQ/0Gh9vFgbV

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ModiLoader Second Stage 10 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 2 IoCs
  • UPX packed file 12 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e93527b115490081dfd3c43ee722bfc7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e93527b115490081dfd3c43ee722bfc7_JaffaCakes118.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\e93527b115490081dfd3c43ee722bfc7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e93527b115490081dfd3c43ee722bfc7_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\mchost.exe
        "C:\Windows\mchost.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2984
        • C:\Windows\mchost.exe
          "C:\Windows\mchost.exe"
          4⤵
          • Modifies WinLogon for persistence
          • 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:4852
          • C:\Program Files (x86)\internet explorer\iexplore.exe
            "C:\Program Files (x86)\internet explorer\iexplore.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1452
  • C:\Windows\System32\Upfc.exe
    C:\Windows\System32\Upfc.exe /launchtype periodic /cv +zPZf1zOak+GXU7gh76tVw.0
    1⤵
      PID:4984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\mchost.exe

      Filesize

      336KB

      MD5

      e93527b115490081dfd3c43ee722bfc7

      SHA1

      eb11f83e96fa0fb2a256152da5e2a0afa1f31916

      SHA256

      bd8edf342ed7e098956be2b4869d4dbb74e4a99009298658a6eabed2173acef5

      SHA512

      6db73a56551527024c5e195f1aadefdd53eba5973a57b116f9bb164d2d245cda18ea07f1a9f54ff18c57c2711c9b523c2f609db71ef57f3a795a63d7a0cdc983

    • memory/2768-5-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/2768-6-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/2768-2-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/2768-7-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/2768-8-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/2768-4-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/2768-69-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4852-78-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4852-80-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4852-81-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4852-79-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4852-82-0x0000000010410000-0x0000000010455000-memory.dmp

      Filesize

      276KB

    • memory/4852-83-0x0000000010410000-0x0000000010455000-memory.dmp

      Filesize

      276KB

    • memory/4852-89-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB