Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01/07/2022, 05:53

General

  • Target
    9ecffc46c622a2f5e1d1478796f70496492471f06015435a2e51b8dc0ae759bb.exe
  • Size 16KB
  • Sample220701-glknqagde9
  • SHA256 9ecffc46c622a2f5e1d1478796f70496492471f06015435a2e51b8dc0ae759bb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • loaderbot

C2
  • http://user79675.7ci.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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\9ecffc46c622a2f5e1d1478796f70496492471f06015435a2e51b8dc0ae759bb.exe
    "C:\Users\Admin\AppData\Local\Temp\9ecffc46c622a2f5e1d1478796f70496492471f06015435a2e51b8dc0ae759bb.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:2900
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\9ecffc46c622a2f5e1d1478796f70496492471f06015435a2e51b8dc0ae759bb.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\9ecffc46c622a2f5e1d1478796f70496492471f06015435a2e51b8dc0ae759bb.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:544

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2900-130-0x0000000000200000-0x000000000020A000-memory.dmp

        memory/2900-133-0x0000000004F20000-0x0000000004F86000-memory.dmp