Analysis

  • max time kernel
    42s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:41

General

  • Target
    Scan Document.exe
  • Size 707KB
  • Sample201109-8llcbclht6
  • SHA256 80ee42d530f42fd7717450f85e3e68dbea5e0dbf7c856a381dde02c7dfb5b5cd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.flood-protection.org

  • Port

    587

  • Password

    sepp2424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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 3 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\Scan Document.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan Document.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\Scan Document.exe
      "C:\Users\Admin\AppData\Local\Temp\Scan Document.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:992

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1172-0-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1172-2-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1172-3-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1172-4-0x00000000003A0000-0x00000000003F2000-memory.dmp

          memory/1172-6-0x0000000000220000-0x000000000026C000-memory.dmp

          memory/1172-5-0x0000000000272000-0x0000000000273000-memory.dmp