Analysis

  • max time kernel
    184s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21/06/2022, 20:19

General

  • Target
    2f7d59a0e17088d53b96e080cefadc34ffe06cfff15dc638dc2d8285a20f6ea7.exe
  • Size 16KB
  • Sample220621-y4apxaehd4
  • SHA256 2f7d59a0e17088d53b96e080cefadc34ffe06cfff15dc638dc2d8285a20f6ea7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • loaderbot

C2
  • http://dutycall.ru/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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f7d59a0e17088d53b96e080cefadc34ffe06cfff15dc638dc2d8285a20f6ea7.exe
    "C:\Users\Admin\AppData\Local\Temp\2f7d59a0e17088d53b96e080cefadc34ffe06cfff15dc638dc2d8285a20f6ea7.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:3592
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\2f7d59a0e17088d53b96e080cefadc34ffe06cfff15dc638dc2d8285a20f6ea7.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\2f7d59a0e17088d53b96e080cefadc34ffe06cfff15dc638dc2d8285a20f6ea7.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:3704

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3592-130-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

        memory/3592-132-0x00000000058D0000-0x0000000005936000-memory.dmp