Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/08/2020, 11:30

General

  • Target
    finish.exe
  • Size 824KB
  • Sample200819-b77rtk8mfj
  • SHA256 3da7c55aab706ac053ca313cc24d065983e8eaed5172366e93fdf8b2d644f829
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.materialsmiquel.com

  • Port

    587

  • Password

    fa5pEpewrE8a

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\finish.exe
    "C:\Users\Admin\AppData\Local\Temp\finish.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Temp\finish.exe
      "C:\Users\Admin\AppData\Local\Temp\finish.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1876

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1876-0-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1876-2-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1876-3-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1876-4-0x00000000009C0000-0x0000000000A0C000-memory.dmp

        memory/1876-5-0x00000000009B2000-0x00000000009B3000-memory.dmp

        memory/1876-6-0x0000000072F90000-0x000000007367E000-memory.dmp

        memory/1876-9-0x0000000004900000-0x0000000004901000-memory.dmp

        memory/1876-10-0x0000000004E00000-0x0000000004E01000-memory.dmp

        memory/1876-11-0x0000000005410000-0x0000000005411000-memory.dmp

        memory/1876-12-0x0000000005430000-0x0000000005431000-memory.dmp

        memory/1876-13-0x0000000005D40000-0x0000000005D41000-memory.dmp

        memory/1876-14-0x0000000005E10000-0x0000000005E11000-memory.dmp