Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:23

General

  • Target

    e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe

  • Size

    207KB

  • MD5

    e64fb5c1892506ac48ce934e71db4c1d

  • SHA1

    52abff48819595df2c0e6dc51306dba2d872ccd4

  • SHA256

    5a424ae330686d55dc756d3f588cb1ab91e0905f299f80171e419a9e1b148334

  • SHA512

    084223e29e7c774a787a19087a3df9cecb21757fb53c9d75273dcab95aa897ac6c8f24f9d35227592260fa9986b009adf890a9edd39305e69710123f3ba345ea

  • SSDEEP

    3072:w+haN9DBd2Uaai11OBxGl9xBjpj0Rz2mw2E7dskp8biwBRk5BmdBKemZEAmrc++:fha/D+Yi7O2BpARutp8bim0mdAp4T+

Malware Config

Signatures

  • Disables taskbar notifications via registry modification
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 17 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2924
      • C:\Users\Admin\AppData\Local\Temp\e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2904
        • C:\Users\Admin\AppData\Local\fqe.exe
          "C:\Users\Admin\AppData\Local\fqe.exe" -gav C:\Users\Admin\AppData\Local\Temp\e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2628
          • C:\Users\Admin\AppData\Local\fqe.exe
            "C:\Users\Admin\AppData\Local\fqe.exe" -gav C:\Users\Admin\AppData\Local\Temp\e64fb5c1892506ac48ce934e71db4c1d_JaffaCakes118.exe
            4⤵
            • Deletes itself
            • Executes dropped EXE
            • Modifies system executable filetype association
            • Adds Run key to start application
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:2708
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\fqe.exe

      Filesize

      207KB

      MD5

      3912eb9a16a9b44caef3fbc909d89c07

      SHA1

      29bbac90992f6689d2d6f327449dd4a12c292c69

      SHA256

      c1897ee57799be85407d3dc2ddd4a36559bb3556c74b00a38646e0e046fccaae

      SHA512

      a0406ff4fe04f992e895bcd4dca3497c10294e4fc3f17604296036d21e60a7ac5871d81b140336ca78612485b2e07c56fe2429879e63262d0c0e943e549ec815

    • memory/2572-108-0x0000000004470000-0x0000000004471000-memory.dmp

      Filesize

      4KB

    • memory/2572-95-0x0000000004470000-0x0000000004471000-memory.dmp

      Filesize

      4KB

    • memory/2708-33-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2708-104-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2708-67-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2708-73-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2708-65-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2708-36-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2708-34-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-8-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-19-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-11-0x0000000000890000-0x0000000000B47000-memory.dmp

      Filesize

      2.7MB

    • memory/2904-9-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-10-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-0-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-7-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2904-4-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2904-2-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB