Analysis

  • max time kernel
    91s
  • max time network
    119s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28/03/2024, 17:29

General

  • Target

    Nezur Demo build.exe

  • Size

    205KB

  • MD5

    74d8f5a1e068a454ffaa5c8fd32a3e44

  • SHA1

    46599d94edc83e67e6bde3579f61028e2bee7096

  • SHA256

    59b203fcf387bfde09a17d954c9281f5743b0d0edb9c8d1fc481eb0165416fd0

  • SHA512

    6d5e8aeb8a5139f31b0f8ed55655c0eb52b3e2589cf1e6ee3c13b06394ceba72da0dc5e01972386bd75b01d17c16e00d50fe2c1e3a2c4b2a5a6b70b0a753ec3d

  • SSDEEP

    3072:prm4sOjb48smI2WjbeYpX6Ou7atBBZ4uzDSEG2dCBVDtM5:pLsDbDpXKkZ4mSB2dCju

Score
10/10

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:36301

character-acquisitions.gl.at.ply.gg:36301

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Hoodbyunlock.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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 AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.exe
    "C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1308

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1308-0-0x0000000000B70000-0x0000000000BAA000-memory.dmp

          Filesize

          232KB

        • memory/1308-1-0x00007FFEE08A0000-0x00007FFEE1362000-memory.dmp

          Filesize

          10.8MB

        • memory/1308-2-0x000000001B940000-0x000000001B950000-memory.dmp

          Filesize

          64KB

        • memory/1308-3-0x00007FFEE08A0000-0x00007FFEE1362000-memory.dmp

          Filesize

          10.8MB