Analysis

  • max time kernel
    135s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    28-05-2020 13:36

General

  • Target

    FedEx TRACKING DETAILS-pdf.exe

  • Size

    1.5MB

  • MD5

    691ba435d9fcfd46db14ad44db6b62f7

  • SHA1

    00399fce73d68d2645fa8328cf1911e4291a7e6f

  • SHA256

    34b456c41cd342c8ac0cec6146b9c700289511061a7b4f21838f660368b2793b

  • SHA512

    91942ae081afe5099a0dbee801f712f3a8c73661ee6f116c1c63a0ead684701a516a8a619cc28bc5526c05a9cf3bfc28d7e25e51482ad7eee4d3b54945352242

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.kassohome.com.tr
  • Port:
    21
  • Username:
    bringlogs@kassohome.com.tr
  • Password:
    J%jCb2L=!5~E

Signatures

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FedEx TRACKING DETAILS-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx TRACKING DETAILS-pdf.exe"
    1⤵
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    PID:3944
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      PID:3932
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3424

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3932-0-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB