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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    19/06/2022, 20:07

General

  • Target

    34c36c75c6d89b31460963832d2fc0ac50fa2e6c291b94d7e25aec245d0d43af.exe

  • Size

    16KB

  • MD5

    18d1e4e8df0412c61ff58f0b8ae6d95e

  • SHA1

    35bc59db6c43aa866b812c8bb2e9b8038d5fe2fc

  • SHA256

    34c36c75c6d89b31460963832d2fc0ac50fa2e6c291b94d7e25aec245d0d43af

  • SHA512

    ad0309210430fb4085007f2b62a65594cf3becc437851c9bd863f90887c9bed8acc12c7e9449c6b1b476cda586ea62500d8f24e581eff8225b9ebab45b711c96

  • SSDEEP

    384:1KBvkPHxH19GTXjdhYguujYcV6AUwJFZb:1YeRV9AhJfYcV6Dw9b

Malware Config

Extracted

Family

loaderbot

C2

http://user79869.7ci.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
  • 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\34c36c75c6d89b31460963832d2fc0ac50fa2e6c291b94d7e25aec245d0d43af.exe
    "C:\Users\Admin\AppData\Local\Temp\34c36c75c6d89b31460963832d2fc0ac50fa2e6c291b94d7e25aec245d0d43af.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:4052
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\34c36c75c6d89b31460963832d2fc0ac50fa2e6c291b94d7e25aec245d0d43af.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\34c36c75c6d89b31460963832d2fc0ac50fa2e6c291b94d7e25aec245d0d43af.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:4136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4052-130-0x0000000000210000-0x000000000021A000-memory.dmp

    Filesize

    40KB

  • memory/4052-133-0x0000000004CA0000-0x0000000004D06000-memory.dmp

    Filesize

    408KB