Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 19:42

General

  • Target
    16764722754134sdfnt42.pdf.exe
  • Size 555KB
  • Sample201109-gpkarfmyme
  • SHA256 e0467337d731f38bd8215652a767fdbae5fa1c6a9d4dfe75a995a221ae2f5750
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    princehero1234

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16764722754134sdfnt42.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\16764722754134sdfnt42.pdf.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1728-4-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1728-6-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1728-7-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1728-8-0x0000000074200000-0x00000000748EE000-memory.dmp

        memory/1960-0-0x0000000074200000-0x00000000748EE000-memory.dmp

        memory/1960-1-0x0000000000250000-0x0000000000251000-memory.dmp

        memory/1960-3-0x00000000006B0000-0x00000000006FB000-memory.dmp