Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01-04-2024 23:17

General

  • Target

    7d0aa3ac75755d1f7b67f12d0a362356_JaffaCakes118.exe

  • Size

    857KB

  • MD5

    7d0aa3ac75755d1f7b67f12d0a362356

  • SHA1

    2c7308e44a5a72ba8c70ac7d846b8b3c1878461a

  • SHA256

    5610b2906ecd713913b4b7e2975788cecb0d19abf94a16d1f81d3b43e1b9adda

  • SHA512

    4b419222720e3ac88c4f166da8f2675bf772703728d7763dd471e4b0f180d2d71c2fe1ac6dd8f1d6747780c0ad24ef7556b198047853d2d9da389085b15810e1

  • SSDEEP

    12288:gsQ7lK3+yssh0MVIIu5a4chjuWXPm02elSqIYK3+mi3Y7ELzXbkU5d2BnCtz:grKu7shJjBPm0jkR9OmI4qzQU5dC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d0aa3ac75755d1f7b67f12d0a362356_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d0aa3ac75755d1f7b67f12d0a362356_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\7d0aa3ac75755d1f7b67f12d0a362356_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\655.exe"
      2⤵
        PID:2656
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\655.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Users\Admin\AppData\Local\655.exe
          "C:\Users\Admin\AppData\Local\655.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2512
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 1516
            4⤵
            • Loads dropped DLL
            • Program crash
            PID:2692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\655.exe

      Filesize

      857KB

      MD5

      7d0aa3ac75755d1f7b67f12d0a362356

      SHA1

      2c7308e44a5a72ba8c70ac7d846b8b3c1878461a

      SHA256

      5610b2906ecd713913b4b7e2975788cecb0d19abf94a16d1f81d3b43e1b9adda

      SHA512

      4b419222720e3ac88c4f166da8f2675bf772703728d7763dd471e4b0f180d2d71c2fe1ac6dd8f1d6747780c0ad24ef7556b198047853d2d9da389085b15810e1

    • memory/2344-4-0x00000000006C0000-0x00000000006C8000-memory.dmp

      Filesize

      32KB

    • memory/2344-12-0x0000000074060000-0x000000007474E000-memory.dmp

      Filesize

      6.9MB

    • memory/2344-3-0x0000000005640000-0x0000000005680000-memory.dmp

      Filesize

      256KB

    • memory/2344-0-0x0000000000130000-0x000000000020C000-memory.dmp

      Filesize

      880KB

    • memory/2344-5-0x0000000001E30000-0x0000000001E3E000-memory.dmp

      Filesize

      56KB

    • memory/2344-6-0x0000000074060000-0x000000007474E000-memory.dmp

      Filesize

      6.9MB

    • memory/2344-2-0x0000000000520000-0x0000000000550000-memory.dmp

      Filesize

      192KB

    • memory/2344-1-0x0000000074060000-0x000000007474E000-memory.dmp

      Filesize

      6.9MB

    • memory/2344-7-0x0000000005640000-0x0000000005680000-memory.dmp

      Filesize

      256KB

    • memory/2512-15-0x0000000074060000-0x000000007474E000-memory.dmp

      Filesize

      6.9MB

    • memory/2512-14-0x0000000000970000-0x0000000000A4C000-memory.dmp

      Filesize

      880KB

    • memory/2512-16-0x0000000004F80000-0x0000000004FC0000-memory.dmp

      Filesize

      256KB

    • memory/2512-17-0x0000000074060000-0x000000007474E000-memory.dmp

      Filesize

      6.9MB

    • memory/2512-18-0x0000000004F80000-0x0000000004FC0000-memory.dmp

      Filesize

      256KB

    • memory/2512-19-0x0000000000500000-0x000000000050A000-memory.dmp

      Filesize

      40KB