Analysis

  • max time kernel
    153s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-06-2022 22:20

General

  • Target

    246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe

  • Size

    16KB

  • MD5

    7925400a7db00d3b6a11c49d522255f5

  • SHA1

    d819e355aca3db47d1affbba72081ec9d6c2ce5c

  • SHA256

    246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a

  • SHA512

    de676ea34696f9bd723276f5d779cd700abd626283e7cce86d137aa5fe91bf0ce3311bea10866eb45e25dd6dc7072a0fd39abbae94fcfb00c1d184b150b6359a

  • SSDEEP

    384:umDvAPDVH19GTXjdh9EuujYcV6AUwJFZb:uqyRV9AhGfYcV6Dw9b

Malware Config

Extracted

Family

loaderbot

C2

http://freebi8o.beget.tech/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 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe
    "C:\Users\Admin\AppData\Local\Temp\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.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:912
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:960
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {59F3CE78-4CD1-4DA4-8825-006FD956B4C7} S-1-5-21-2277218442-1199762539-2004043321-1000:AUVQQRRF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Users\Admin\AppData\Roaming\Windows\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe
      C:\Users\Admin\AppData\Roaming\Windows\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:604
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\246e374106f294a24b21de1875b09d9ac778aa1dd744bb3b6795078156f5a18a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
          4⤵
          • Creates scheduled task(s)
          PID:1064

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/912-54-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/912-56-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

    Filesize

    8KB