Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • submitted
    20-07-2022 17:05

General

  • Target

    4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe

  • Size

    16KB

  • MD5

    3c6ccad2b6665c5a4469ba535aa77609

  • SHA1

    f88b51c5d63ff252b4cf4fe0bb9c2ac72f06fb07

  • SHA256

    4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a

  • SHA512

    478d5a2c6370e5c3b8ecef4b8a30955209b32f19f3fb681e87e66ce498f2013110a5c3febef8a098470adf9e36e224508aa09f178cad161f3000aea59d6e4130

  • SSDEEP

    384:EyXvpPCuH19GTXjdhhPuujYcV6AUwJFZb:EKVlV9Ah5fYcV6Dw9b

Malware Config

Extracted

Family

loaderbot

C2

https://fruitive-women.000webhostapp.com/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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • 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\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe
    "C:\Users\Admin\AppData\Local\Temp\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:976
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {00EDCD4D-4CFC-4A4B-B059-C8A67856DD4D} S-1-5-21-3440072777-2118400376-1759599358-1000:NKWDSIWE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Roaming\Windows\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe
      C:\Users\Admin\AppData\Roaming\Windows\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:572
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\4e9a2e0dbcbd228d719037aa6320cbf5a37ba98e0620613f71e572ec7fba7b4a.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
          4⤵
          • Creates scheduled task(s)
          PID:1548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/572-58-0x0000000000000000-mapping.dmp

  • memory/976-57-0x0000000000000000-mapping.dmp

  • memory/1048-54-0x0000000000B00000-0x0000000000B0A000-memory.dmp

    Filesize

    40KB

  • memory/1048-56-0x0000000075511000-0x0000000075513000-memory.dmp

    Filesize

    8KB

  • memory/1548-61-0x0000000000000000-mapping.dmp

  • memory/1724-59-0x0000000000000000-mapping.dmp

  • memory/1984-55-0x0000000000000000-mapping.dmp