Analysis

  • max time kernel
    57s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:57

General

  • Target
    USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
  • Size 470KB
  • Sample201109-vm98hzm5za
  • SHA256 85bf4deb47e2e0fb1317756d2bc3bb5f014c64233ca0dab707a4b30c43600fca
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.connectus-trade.net/

  • Port

    21

  • Password

    o^Z0CIU?^yL2

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.connectus-trade.net/

  • Port

    21

  • Password

    o^Z0CIU?^yL2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
        PID:2616
      • C:\Users\Admin\AppData\Local\Temp\USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
        "{path}"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:200
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:1512

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/200-0-0x0000000000400000-0x0000000000452000-memory.dmp