Analysis

  • max time kernel
    144s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:28

General

  • Target

    purchase order.exe

  • Size

    417KB

  • MD5

    42bfacca440c09d0d3797936fd1473cd

  • SHA1

    8b83f3b7373e0e3beddee5ccf4f7e8e765761c90

  • SHA256

    2ee560a991356dbcf4f398a7db1e8258c0fac8fbc0f938ad03f6a6d00810aacb

  • SHA512

    c932abf10bc42b0fe2fbb9b4cd42101fd7d285b12445d5e9b72c04d10c26f9a9b7b82465c42138465d7737f31924d079850d700b0de06a25dbf160271a4a4fa3

Malware Config

Signatures

  • AgentTesla

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

  • suricata: ET MALWARE AgentTesla Communicating with CnC Server

    suricata: ET MALWARE AgentTesla Communicating with CnC Server

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Users\Admin\AppData\Local\Temp\purchase order.exe
      "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
      2⤵
        PID:2024
      • 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:1064

    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

    • memory/1064-57-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-58-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-60-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-62-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-61-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-63-0x000000000044722E-mapping.dmp
    • memory/1064-65-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-67-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1064-68-0x0000000075A61000-0x0000000075A63000-memory.dmp
      Filesize

      8KB

    • memory/1176-54-0x0000000000130000-0x000000000019E000-memory.dmp
      Filesize

      440KB

    • memory/1176-55-0x00000000002A0000-0x00000000002A8000-memory.dmp
      Filesize

      32KB

    • memory/1176-56-0x00000000008D0000-0x0000000000924000-memory.dmp
      Filesize

      336KB