Analysis

  • max time kernel
    129s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    11/11/2021, 04:21

General

  • Target
    purchase order.exe
  • Size 620KB
  • Sample211111-eynj2afggm
  • SHA256 db76d50652ad76216521e10ffa9c3e8bd02b07499e86000bbdfb5c8f6c0efbd0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.dairysystems.co.ke

  • Port

    587

  • Password

    2019@systems

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\purchase order.exe
      "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3700

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2624-125-0x0000000005EF0000-0x0000000005EF1000-memory.dmp

        memory/2624-121-0x0000000005100000-0x0000000005101000-memory.dmp

        memory/2624-122-0x00000000051A0000-0x00000000051A1000-memory.dmp

        memory/2624-123-0x0000000005330000-0x0000000005335000-memory.dmp

        memory/2624-124-0x00000000051D0000-0x00000000056CE000-memory.dmp

        memory/2624-118-0x0000000000840000-0x0000000000841000-memory.dmp

        memory/2624-126-0x0000000005F90000-0x0000000005FE5000-memory.dmp

        memory/2624-120-0x00000000056D0000-0x00000000056D1000-memory.dmp

        memory/3700-127-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3700-134-0x0000000004F90000-0x000000000548E000-memory.dmp

        memory/3700-135-0x00000000050E0000-0x00000000050E1000-memory.dmp

        memory/3700-136-0x0000000005420000-0x0000000005421000-memory.dmp