Analysis

  • max time kernel
    151s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 00:06

General

  • Target

    3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe

  • Size

    16KB

  • MD5

    b5099869ad42589763e1cfb0d6c02080

  • SHA1

    36e8b076e80b3e92b753e476fb4d73c2d68997d1

  • SHA256

    3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2

  • SHA512

    f5688d69ce280176d5abb00f04c68e5ef714d0436d6380447cfb8fd0155bed8081021ac566c327aef9aeac42954111596f7216b677c2a7709dd42742d1ffaf6f

Malware Config

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 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
    "C:\Users\Admin\AppData\Local\Temp\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.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:1800
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:1716
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {17C06945-A2E2-4170-8BB2-49FBAA0A2380} S-1-5-21-1819626980-2277161760-1023733287-1000:TBHNEBSE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
      C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1728
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
          4⤵
          • Creates scheduled task(s)
          PID:812

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1800-54-0x00000000000A0000-0x00000000000AA000-memory.dmp

    Filesize

    40KB

  • memory/1800-56-0x0000000074E91000-0x0000000074E93000-memory.dmp

    Filesize

    8KB