Analysis

  • max time kernel
    151s
  • max time network
    184s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08/07/2022, 03:29

General

  • Target
    4226baccd0f2b9aebc86506022e4289c8a0e43a1b255be33ba07c6383818cb4b.exe
  • Size 16KB
  • Sample220708-d2d94ahfb8
  • SHA256 4226baccd0f2b9aebc86506022e4289c8a0e43a1b255be33ba07c6383818cb4b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • loaderbot

C2
  • http://olegbu8u.beget.tech/cmd.php

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • LoaderBot executable 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4226baccd0f2b9aebc86506022e4289c8a0e43a1b255be33ba07c6383818cb4b.exe
    "C:\Users\Admin\AppData\Local\Temp\4226baccd0f2b9aebc86506022e4289c8a0e43a1b255be33ba07c6383818cb4b.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4226baccd0f2b9aebc86506022e4289c8a0e43a1b255be33ba07c6383818cb4b.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\4226baccd0f2b9aebc86506022e4289c8a0e43a1b255be33ba07c6383818cb4b.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:1400

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1792-54-0x0000000001120000-0x000000000112A000-memory.dmp

        memory/1792-56-0x0000000076461000-0x0000000076463000-memory.dmp