Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14/12/2020, 12:50

General

  • Target
    SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe
  • Size 3.2MB
  • Sample201214-rl3kvt5b3n
  • SHA256 db0a298a1d51893aaeca574e5fff17cbfa6b83ea8538fc0e6c7a0bc97ca8a198
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.sardaplywood.com

  • Port

    587

  • Password

    sup123st45

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:340
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe"
      2⤵
        PID:1348
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe"
        2⤵
          PID:1124
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4ddf98cd8e5a012c.26881.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1300

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/340-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

            memory/340-3-0x0000000000950000-0x0000000000951000-memory.dmp

            memory/340-5-0x0000000000540000-0x000000000058F000-memory.dmp

            memory/1300-6-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/1300-8-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/1300-9-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/1300-10-0x0000000074CC0000-0x00000000753AE000-memory.dmp