Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 14:51

General

  • Target

    Corefarm.exe

  • Size

    887KB

  • MD5

    1a52afc51a7342a3712890ff4686a421

  • SHA1

    bf1d860bc8177c7737e74f1fc7026997b5c38322

  • SHA256

    e9bef956a5fb946aa7b46c67c2f04cbdbf68e45b99cbb43b1254400a7a2347a0

  • SHA512

    74e5167aecabb8c8aa874c6675abfca0c154f7d3ee17a7ea30019b5880d21e3ec945483584685d3ca4143186ac195c3ac15d3a9247ad272ba5738753f6219f83

  • SSDEEP

    12288:2TEYAsROAsrt/uxduo1jB0Y96qgcFJKlJejrnChb/7HYJnLPdyBoUl++6p6aN+lu:2wT7rC6qpFJKl8uhHmSoUl+IlH

Malware Config

Signatures

  • Detects Eternity stealer 1 IoCs
  • Eternity

    Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Corefarm.exe
    "C:\Users\Admin\AppData\Local\Temp\Corefarm.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\dcd.exe
      "C:\Users\Admin\AppData\Local\Temp\dcd.exe" -path=""
      2⤵
      • Executes dropped EXE
      PID:2948
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1972 -s 1528
      2⤵
        PID:2496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dcd.exe

      Filesize

      227KB

      MD5

      b5ac46e446cead89892628f30a253a06

      SHA1

      f4ad1044a7f77a1b02155c3a355a1bb4177076ca

      SHA256

      def7afcb65126c4b04a7cbf08c693f357a707aa99858cac09a8d5e65f3177669

      SHA512

      bcabbac6f75c1d41364406db457c62f5135a78f763f6db08c1626f485c64db4d9ba3b3c8bc0b5508d917e445fd220ffa66ebc35221bd06560446c109818e8e87

    • memory/1972-0-0x000007FEF5143000-0x000007FEF5144000-memory.dmp

      Filesize

      4KB

    • memory/1972-1-0x00000000000C0000-0x00000000001A6000-memory.dmp

      Filesize

      920KB

    • memory/1972-2-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

      Filesize

      9.9MB

    • memory/1972-3-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

      Filesize

      9.9MB

    • memory/1972-4-0x00000000006F0000-0x000000000072E000-memory.dmp

      Filesize

      248KB

    • memory/1972-5-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

      Filesize

      9.9MB

    • memory/1972-6-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

      Filesize

      9.9MB

    • memory/1972-12-0x000007FEF5143000-0x000007FEF5144000-memory.dmp

      Filesize

      4KB

    • memory/1972-13-0x000007FEF5140000-0x000007FEF5B2C000-memory.dmp

      Filesize

      9.9MB