Analysis

  • max time kernel
    61s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 21:29

General

  • Target

    90091c8c9c69b12fe47cee45e5090bf9.exe

  • Size

    1.1MB

  • MD5

    90091c8c9c69b12fe47cee45e5090bf9

  • SHA1

    e7faaf6695ac2c30dbda38e576e6f50eaa04127a

  • SHA256

    7d900c842228164a450c070b49db71709f73aab97f548167e79742f505e2edc7

  • SHA512

    d772aeb2fc7aac1c30f0e5b4fd782b523d56c3875e40c612d24fa19e0023cee960f149b633fc98c2c2785e13d806a1fb4d32b7f29a605034acbfec54c2ebdabb

  • SSDEEP

    24576:e4S/d3uKzksuksSmmRBhZfyrBvEiomcy8jh8N6ZNXZ:dKLmCZMBvEirc+N6ZNX

Score
10/10

Malware Config

Extracted

Family

limerat

Wallets

bc1q5746qkzdr628cmq4swa02lpu2mk69t0pdxdgzs

Attributes
  • aes_key

    Wealth1000$

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/LF04hVta

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    true

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

Processes

  • C:\Users\Admin\AppData\Local\Temp\90091c8c9c69b12fe47cee45e5090bf9.exe
    "C:\Users\Admin\AppData\Local\Temp\90091c8c9c69b12fe47cee45e5090bf9.exe"
    1⤵
      PID:2264
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pqfTsGmCOXK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9A.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:2560
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2952

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2264-26-0x0000000074260000-0x000000007494E000-memory.dmp

        Filesize

        6.9MB

      • memory/2264-1-0x0000000074260000-0x000000007494E000-memory.dmp

        Filesize

        6.9MB

      • memory/2264-2-0x0000000004C50000-0x0000000004C90000-memory.dmp

        Filesize

        256KB

      • memory/2264-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

        Filesize

        72KB

      • memory/2264-4-0x0000000074260000-0x000000007494E000-memory.dmp

        Filesize

        6.9MB

      • memory/2264-5-0x0000000004C50000-0x0000000004C90000-memory.dmp

        Filesize

        256KB

      • memory/2264-6-0x00000000050B0000-0x000000000512E000-memory.dmp

        Filesize

        504KB

      • memory/2264-0-0x0000000000040000-0x0000000000166000-memory.dmp

        Filesize

        1.1MB

      • memory/2264-7-0x0000000000610000-0x000000000061C000-memory.dmp

        Filesize

        48KB

      • memory/2952-28-0x00000000006B0000-0x00000000006F0000-memory.dmp

        Filesize

        256KB

      • memory/2952-64-0x00000000006B0000-0x00000000006F0000-memory.dmp

        Filesize

        256KB

      • memory/2952-25-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2952-23-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2952-21-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2952-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2952-15-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2952-13-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2952-27-0x0000000074260000-0x000000007494E000-memory.dmp

        Filesize

        6.9MB

      • memory/2952-63-0x0000000074260000-0x000000007494E000-memory.dmp

        Filesize

        6.9MB

      • memory/2952-17-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB