Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:13

General

  • Target
    9fef9bbfcc730aeb910644c57dead629.exe
  • Size 782KB
  • Sample201109-hgqf2ehs3x
  • SHA256 48cb0c4fdfb4205cb6453b225e6b0d52a0eaff3dec5d500d9b781e716fd4c394
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.reportlogs.top

  • Port

    587

  • Password

    cRqqH*c1

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fef9bbfcc730aeb910644c57dead629.exe
    "C:\Users\Admin\AppData\Local\Temp\9fef9bbfcc730aeb910644c57dead629.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Users\Admin\AppData\Local\Temp\9fef9bbfcc730aeb910644c57dead629.exe
      "C:\Users\Admin\AppData\Local\Temp\9fef9bbfcc730aeb910644c57dead629.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3208

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1792-0-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1792-2-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1792-3-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1792-4-0x0000000002280000-0x00000000022D2000-memory.dmp

          memory/1792-5-0x0000000000A12000-0x0000000000A13000-memory.dmp