Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/08/2020, 13:32

General

  • Target
    files.exe
  • Size 844KB
  • Sample200820-7q9xa53glj
  • SHA256 1328e0030337b326a962b3369cc8dd2b474de98267e8e9fdc3684f4e5ecb9984
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    daddyhandsome1234

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • UPX packed file 6 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 228 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\files.exe
    "C:\Users\Admin\AppData\Local\Temp\files.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Local\Temp\files.exe
      "C:\Users\Admin\AppData\Local\Temp\files.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4016
    • C:\Users\Admin\AppData\Local\Temp\files.exe
      "C:\Users\Admin\AppData\Local\Temp\files.exe" 2 4016 60609
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3604

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/4016-6-0x0000000002302000-0x0000000002303000-memory.dmp

        memory/4016-3-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/4016-4-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/4016-5-0x00000000021D0000-0x0000000002236000-memory.dmp

        memory/4016-0-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/4016-7-0x0000000072B60000-0x000000007324E000-memory.dmp

        memory/4016-10-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

        memory/4016-11-0x00000000049F0000-0x00000000049F1000-memory.dmp

        memory/4016-12-0x0000000004950000-0x0000000004951000-memory.dmp

        memory/4016-13-0x00000000054E0000-0x00000000054E1000-memory.dmp

        memory/4016-14-0x0000000005E30000-0x0000000005E31000-memory.dmp

        memory/4016-15-0x0000000005ED0000-0x0000000005ED1000-memory.dmp