Analysis

  • max time kernel
    146s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/12/2020, 03:32

General

  • Target
    SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe
  • Size 1.2MB
  • Sample201209-ewgpyr1vma
  • SHA256 9f0a895f28cb661b5bd3b0c7825e02cf9b865ff4a01305395dca7aaa1750dde0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.accinning-tw.com/

  • Port

    21

  • Password

    @@success@123455

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 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\SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dwAFPBF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18C8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2096
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe"
      2⤵
        PID:1684
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.f2567fede80ae57e.32438.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3912

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/756-13-0x0000000047180000-0x0000000047188000-memory.dmp

          memory/756-15-0x00000000473E0000-0x000000004745B000-memory.dmp

          memory/756-7-0x0000000005760000-0x0000000005761000-memory.dmp

          memory/756-8-0x0000000006160000-0x0000000006161000-memory.dmp

          memory/756-9-0x0000000005810000-0x0000000005811000-memory.dmp

          memory/756-10-0x0000000005990000-0x0000000005991000-memory.dmp

          memory/756-11-0x0000000026EA0000-0x0000000046E88000-memory.dmp

          memory/756-12-0x0000000047340000-0x00000000473D8000-memory.dmp

          memory/756-2-0x00000000739A0000-0x000000007408E000-memory.dmp

          memory/756-6-0x0000000005C60000-0x0000000005C61000-memory.dmp

          memory/756-3-0x0000000000D40000-0x0000000000D41000-memory.dmp

          memory/756-5-0x00000000056C0000-0x00000000056C1000-memory.dmp

          memory/3912-18-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/3912-21-0x00000000739A0000-0x000000007408E000-memory.dmp

          memory/3912-26-0x0000000005070000-0x0000000005071000-memory.dmp

          memory/3912-27-0x0000000005BE0000-0x0000000005BE1000-memory.dmp