Analysis

  • max time kernel
    86s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-07-2020 17:03

General

  • Target

    Shipping Documents.exe

  • Size

    590KB

  • MD5

    e87f847dd6aea20684b67ab3eab8e992

  • SHA1

    24531e53a0cffd0d4772bebebad7eb5a5071dfec

  • SHA256

    e734cfb1c78da531edac0e5772b8892c4995862bffb6e8f5eb4bbc7a2090c174

  • SHA512

    c222f478e1028cf7591f9f612dcb449e8b1e5278a608c665388a4338105afabab4d253f5738c4db678ed1a1770258083dd15560a135b2560e3860e242c05c057

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikem123456789

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
      "{path}"
      2⤵
        PID:1104
      • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
        "{path}"
        2⤵
          PID:324
        • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1056
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" wlan show profile
            3⤵
              PID:1948

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1056-2-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/1056-4-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/1056-5-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB