Analysis

  • max time kernel
    171s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:59

General

  • Target

    Q88_MV AQUILA V20014.doc.exe

  • Size

    643KB

  • MD5

    c9341043540a81410c51fc41d0a34391

  • SHA1

    588b61e19b45c776f0fa9a99c283e379bae8fee5

  • SHA256

    8a537505ec668cf353931413aa389f5a5eacabb6469f04dcabfe0b7acff721d9

  • SHA512

    c7bf0cf85a6209f152301b31d7be4a7569543fe884fb3d3041999d202861bb2611db3322f71ee503183503ef5580416723930b3a73943973cb42ef1035bc0142

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    secure197.inmotionhosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GL@123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Q88_MV AQUILA V20014.doc.exe
    "C:\Users\Admin\AppData\Local\Temp\Q88_MV AQUILA V20014.doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Users\Admin\AppData\Local\Temp\Q88_MV AQUILA V20014.doc.exe
      "{path}"
      2⤵
        PID:4420
      • C:\Users\Admin\AppData\Local\Temp\Q88_MV AQUILA V20014.doc.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:4348
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:4828
        • C:\Users\Admin\AppData\Local\Temp\Q88_MV AQUILA V20014.doc.exe
          "{path}"
          2⤵
            PID:4436

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Credential Access

        Credentials in Files

        3
        T1081

        Collection

        Data from Local System

        3
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Q88_MV AQUILA V20014.doc.exe.log
          Filesize

          496B

          MD5

          cb76b18ebed3a9f05a14aed43d35fba6

          SHA1

          836a4b4e351846fca08b84149cb734cb59b8c0d6

          SHA256

          8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

          SHA512

          7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

        • memory/400-130-0x0000000074C00000-0x00000000751B1000-memory.dmp
          Filesize

          5.7MB

        • memory/4348-134-0x0000000000400000-0x0000000000452000-memory.dmp
          Filesize

          328KB

        • memory/4348-133-0x0000000000000000-mapping.dmp
        • memory/4348-136-0x0000000074C00000-0x00000000751B1000-memory.dmp
          Filesize

          5.7MB

        • memory/4420-131-0x0000000000000000-mapping.dmp
        • memory/4436-132-0x0000000000000000-mapping.dmp
        • memory/4828-137-0x0000000000000000-mapping.dmp