Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 20:46

General

  • Target

    7331eab5ec14421887055a48dfc366eb_JaffaCakes118.exe

  • Size

    208KB

  • MD5

    7331eab5ec14421887055a48dfc366eb

  • SHA1

    5cb902264bcba6abd173b7e2d1e9056cfc9df450

  • SHA256

    5d44a39d75d30a0843b62c24acf87e2d75e300cefdf9ced7ffb2cca02fa4f32c

  • SHA512

    c3501854f09c1a644c0f5af8f48dfe952a1fec354140213b97b2ced0a65ecdffddce987c24111298e9cd11f0d71c7406f9d89492c5c40298044d6ddee66e6830

  • SSDEEP

    3072:ekX6PzJhK/XazrKZ5FdFeylCSRri8rWb:zqPzJhOXOeZjd90Shi8r

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7331eab5ec14421887055a48dfc366eb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7331eab5ec14421887055a48dfc366eb_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\7331eab5ec14421887055a48dfc366eb_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\7331eab5ec14421887055a48dfc366eb_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\7331eab5ec14421887055a48dfc366eb_JaffaCakes118.exe.log

          Filesize

          313B

          MD5

          181f8ee43a58681f752dbbd9784192b2

          SHA1

          0f8f8bf12da0aba71899eb027d20c374d3c863af

          SHA256

          b87a19bc9d31616efc3ee1b3a5f8db72888ec82a9fd9cdc3b5d642f1de345e77

          SHA512

          42f7d9a88f003a3f6629648c120db7600dbd175c4b1bdb0240f6e76619566177c7a750a89ae38c97d746f13ee4bc5a6b39b7ab7f6d78fa4567e4a0b6b1a7f88d

        • memory/808-4-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/808-8-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/808-9-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/808-10-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/808-11-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/808-12-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/4540-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

          Filesize

          4KB

        • memory/4540-1-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/4540-2-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB

        • memory/4540-7-0x0000000074D70000-0x0000000075321000-memory.dmp

          Filesize

          5.7MB