Analysis

  • max time kernel
    137s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 18:46

General

  • Target

    Orden de compra Scan_20200708_09351300.exe

  • Size

    568KB

  • MD5

    b91b0184fb8a98ad25a3e91b8e0f4168

  • SHA1

    cf866c5601bdb90bc5b72ad2175a215612a5241f

  • SHA256

    076580e45581e858d016af8b610744d3c83bdf83c62066178dff04db7ac71e97

  • SHA512

    92d6d964c40e2605a5e77af18a2fbaf384d4141790dc28d34628cd546d9013a00dbc7b3df2b9be4de4291f7abb3e124594d7daec13bf342dc7a36257681034a4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.corroshield.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sulastri2011

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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orden de compra Scan_20200708_09351300.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de compra Scan_20200708_09351300.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\Orden de compra Scan_20200708_09351300.exe
      "{path}"
      2⤵
        PID:1784
      • C:\Users\Admin\AppData\Local\Temp\Orden de compra Scan_20200708_09351300.exe
        "{path}"
        2⤵
          PID:1800
        • C:\Users\Admin\AppData\Local\Temp\Orden de compra Scan_20200708_09351300.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          PID:1816

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1400-1-0x0000000000000000-0x0000000000000000-disk.dmp

      • memory/1816-2-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1816-3-0x0000000000446EDE-mapping.dmp

      • memory/1816-4-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1816-5-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB