Analysis

  • max time kernel
    122s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22/12/2021, 03:17

General

  • Target
    PURCHASE ORDER.exe
  • Size 519KB
  • Sample211222-ds2n2affhp
  • SHA256 2eae722d2d4b7105bdc2d24e314a0dbfdf49b172b2074d6051f92ad600d13235
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.gcsenagency.com

  • Port

    587

  • Password

    supt@3081#

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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:2548
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1020

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1020-126-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1020-135-0x0000000006180000-0x0000000006181000-memory.dmp

        memory/1020-134-0x0000000005660000-0x0000000005661000-memory.dmp

        memory/1020-133-0x0000000005650000-0x0000000005651000-memory.dmp

        memory/2548-120-0x0000000005020000-0x0000000005021000-memory.dmp

        memory/2548-123-0x0000000005280000-0x0000000005285000-memory.dmp

        memory/2548-124-0x0000000007320000-0x000000000739C000-memory.dmp

        memory/2548-125-0x0000000009970000-0x00000000099A8000-memory.dmp

        memory/2548-122-0x0000000005000000-0x00000000054FE000-memory.dmp

        memory/2548-121-0x0000000005300000-0x0000000005301000-memory.dmp

        memory/2548-115-0x00000000006E0000-0x00000000006E1000-memory.dmp

        memory/2548-119-0x00000000050A0000-0x00000000050A1000-memory.dmp

        memory/2548-118-0x0000000005500000-0x0000000005501000-memory.dmp

        memory/2548-117-0x0000000004F40000-0x0000000004F41000-memory.dmp