Analysis

  • max time kernel
    132s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    12/04/2021, 14:12

General

  • Target
    Payment_Advice.exe
  • Size 804KB
  • Sample210412-hms41ll1ea
  • SHA256 5def20f9a9f1c413c8bc154ba4a53d7d9a6cfedf4a8a84a342354dab99b12e3f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.upgcambodia.com

  • Port

    587

  • Password

    stock3168

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1028

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1028-66-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1028-68-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1028-70-0x0000000004A90000-0x0000000004A91000-memory.dmp

        memory/1652-60-0x0000000001090000-0x0000000001091000-memory.dmp

        memory/1652-62-0x0000000004E50000-0x0000000004E51000-memory.dmp

        memory/1652-63-0x0000000000280000-0x0000000000286000-memory.dmp

        memory/1652-64-0x0000000005CC0000-0x0000000005D66000-memory.dmp

        memory/1652-65-0x0000000004DB0000-0x0000000004E1B000-memory.dmp