Analysis

  • max time kernel
    112s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 07:29

General

  • Target

    kedycript.exe

  • Size

    469KB

  • MD5

    ecabfeb30cbae721107fe69c169ef36e

  • SHA1

    0ea9d68b068d617c1f576714c5f7a8012a1a2567

  • SHA256

    df8fe4098c22cd64afb8369348581a0ed7c924ea9ad659741e2899a32ab2e842

  • SHA512

    6c6b9ac0ab695b4acaf22d3885d25289006dcf86069b9d6c1f312fcdce82af8227308e425decb52793708d16f78ebe8cedc20bfb6369a712d39bc9254e29e9c0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wolterfan.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Mar123

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 4 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kedycript.exe
    "C:\Users\Admin\AppData\Local\Temp\kedycript.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\kedycript.exe
      "C:\Users\Admin\AppData\Local\Temp\kedycript.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:532
      • C:\Users\Admin\AppData\Local\Temp\kedycript.exe
        "C:\Users\Admin\AppData\Local\Temp\kedycript.exe" 2 1104 79544
        2⤵
          PID:1264

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/532-9-0x0000000000000000-mapping.dmp

      • memory/1104-0-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/1104-1-0x00000000004AE0F0-mapping.dmp

      • memory/1104-2-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/1104-4-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/1104-5-0x0000000001D30000-0x0000000001D82000-memory.dmp

        Filesize

        328KB

      • memory/1104-6-0x0000000000262000-0x0000000000263000-memory.dmp

        Filesize

        4KB

      • memory/1104-7-0x0000000000270000-0x00000000002BB000-memory.dmp

        Filesize

        300KB

      • memory/1264-3-0x0000000000000000-mapping.dmp