Analysis

  • max time kernel
    103s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:33

General

  • Target

    MV SPAR DRACO LOADING STEEL.xlsx.exe

  • Size

    568KB

  • MD5

    47821979d2951dc788a811d1235ba7b1

  • SHA1

    ad102eed6c0d158bb9b5112b5a96f9c25d8f5968

  • SHA256

    b94b255e05a2792ad302c0c398099cbc6f6eb67212dd2c5fcafbe80a13f9b946

  • SHA512

    44d7587417d51a20e30682434d67c9ff7cbb3297a346cf008b1b50b548d8c872f0ce88a1375882fbc8c369e2193d157783a00550d83fcf17cc0bc67c9bb70caa

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 6 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 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MV SPAR DRACO LOADING STEEL.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\MV SPAR DRACO LOADING STEEL.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\MV SPAR DRACO LOADING STEEL.xlsx.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:1724
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:868

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/536-54-0x0000000075B61000-0x0000000075B63000-memory.dmp
      Filesize

      8KB

    • memory/536-55-0x0000000074270000-0x000000007481B000-memory.dmp
      Filesize

      5.7MB

    • memory/868-69-0x0000000000000000-mapping.dmp
    • memory/1724-56-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-57-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-59-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-60-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-62-0x000000000044CA5E-mapping.dmp
    • memory/1724-64-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-66-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1724-68-0x00000000741F0000-0x000000007479B000-memory.dmp
      Filesize

      5.7MB