Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 10:04

General

  • Target

    fc821e8529a05ff2346691084581455f_JaffaCakes118.exe

  • Size

    548KB

  • MD5

    fc821e8529a05ff2346691084581455f

  • SHA1

    c8e0f21c2689c42b1f3728775ee86b59f0e8b6c6

  • SHA256

    d3f2e8ce150805553a634591cc88dcf75942c12039de608c4a0bb204a96d1ae6

  • SHA512

    b507e4fe868e68a1982164c64d423da425d050cd66efcf2858ae9648d56971dfbf5fcc9a6a5cbd15d04e82b8dbee4054af9d4edb85bdba12611910108dc13089

  • SSDEEP

    12288:2lvvKF1ViO8IV8xy9x51mPpagIwmf4CkC6yQwAci2AGFV:2AF1Vyxxy9x5O8BjPft

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc821e8529a05ff2346691084581455f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc821e8529a05ff2346691084581455f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\fc821e8529a05ff2346691084581455f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\fc821e8529a05ff2346691084581455f_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:2780
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
          PID:1588
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 988
          3⤵
            PID:576

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\holdermail.txt

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/576-45-0x00000000004D0000-0x00000000004D1000-memory.dmp

        Filesize

        4KB

      • memory/836-24-0x0000000074580000-0x0000000074B2B000-memory.dmp

        Filesize

        5.7MB

      • memory/836-1-0x0000000000380000-0x00000000003C0000-memory.dmp

        Filesize

        256KB

      • memory/836-2-0x0000000074580000-0x0000000074B2B000-memory.dmp

        Filesize

        5.7MB

      • memory/836-3-0x0000000000380000-0x00000000003C0000-memory.dmp

        Filesize

        256KB

      • memory/836-25-0x0000000000380000-0x00000000003C0000-memory.dmp

        Filesize

        256KB

      • memory/836-0-0x0000000074580000-0x0000000074B2B000-memory.dmp

        Filesize

        5.7MB

      • memory/1588-43-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1588-37-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1588-35-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2780-34-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2780-32-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2780-31-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2780-29-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2808-10-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2808-23-0x0000000074580000-0x0000000074B2B000-memory.dmp

        Filesize

        5.7MB

      • memory/2808-28-0x0000000000780000-0x00000000007C0000-memory.dmp

        Filesize

        256KB

      • memory/2808-20-0x0000000000780000-0x00000000007C0000-memory.dmp

        Filesize

        256KB

      • memory/2808-19-0x0000000074580000-0x0000000074B2B000-memory.dmp

        Filesize

        5.7MB

      • memory/2808-18-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2808-16-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2808-14-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2808-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2808-8-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2808-42-0x0000000000780000-0x00000000007C0000-memory.dmp

        Filesize

        256KB

      • memory/2808-6-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2808-38-0x0000000074580000-0x0000000074B2B000-memory.dmp

        Filesize

        5.7MB

      • memory/2808-44-0x0000000000780000-0x00000000007C0000-memory.dmp

        Filesize

        256KB

      • memory/2808-4-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB