Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 2 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 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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:2540
    • 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:4488
      • 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:3056
  • C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
    C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • 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:4732
      • 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:4680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2540-131-0x0000000000EF0000-0x0000000000EFA000-memory.dmp

    Filesize

    40KB

  • memory/2540-134-0x0000000005C20000-0x0000000005C86000-memory.dmp

    Filesize

    408KB

  • memory/3056-133-0x0000000000000000-mapping.dmp

  • memory/4488-132-0x0000000000000000-mapping.dmp

  • memory/4680-136-0x0000000000000000-mapping.dmp

  • memory/4732-135-0x0000000000000000-mapping.dmp