Analysis

  • max time kernel
    79s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08-07-2020 07:22

General

  • Target

    Download_Tracking_Reference.08.07.20.doc.exe

  • Size

    887KB

  • MD5

    57a00610e945eb63ca233ff577024d34

  • SHA1

    cf1673ae019a637d69b1796c6efe4b0c9aecbc6a

  • SHA256

    c134ba3043baebc93025b74a07ce9a439ea463fce0a43d4d9ef15d62871e28ce

  • SHA512

    e2042c11487af5adf5f6e4ce600506dc2b0966d2df59515272d0d5f8d82d5759942a8d84ebfbe1b69502eaca682e646c3b6652ffc2668802bb9d26ddb3e3641b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    churchboy10

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Download_Tracking_Reference.08.07.20.doc.exe
    "C:\Users\Admin\AppData\Local\Temp\Download_Tracking_Reference.08.07.20.doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Users\Admin\AppData\Local\Temp\Download_Tracking_Reference.08.07.20.doc.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/752-0-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/752-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/752-3-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB