Analysis

  • max time kernel
    71s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03-04-2023 12:44

General

  • Target

    df99e5fc145c2a6b08e6107e00bf759a.exe

  • Size

    714KB

  • MD5

    df99e5fc145c2a6b08e6107e00bf759a

  • SHA1

    7f4f9af387f7bfc019d5c027b6ac77b9a08f7f76

  • SHA256

    84049d0a55fbeae800952079704c26fba374fab217b0b26b944a0d98ac66fab4

  • SHA512

    fc17a24e407eb550516ed30b256c6c19a6632f3fd9c98d5d61a4f3941bc3e0c9ac1d3937c2974c98607d9551c0ab939efb6f87ea8281fcea85568de499889029

  • SSDEEP

    12288:+5CBWKdq1FbwwJLwrxZvIOaDnjQ1RDfmazxwI+wVzsFKIWz71hk5DgxEX8:hfrpX/InQIYqQzmWVW5Dg6

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\df99e5fc145c2a6b08e6107e00bf759a.exe
    "C:\Users\Admin\AppData\Local\Temp\df99e5fc145c2a6b08e6107e00bf759a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\df99e5fc145c2a6b08e6107e00bf759a.exe
      "C:\Users\Admin\AppData\Local\Temp\df99e5fc145c2a6b08e6107e00bf759a.exe"
      2⤵
        PID:1752
      • C:\Users\Admin\AppData\Local\Temp\df99e5fc145c2a6b08e6107e00bf759a.exe
        "C:\Users\Admin\AppData\Local\Temp\df99e5fc145c2a6b08e6107e00bf759a.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1572

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1236-54-0x00000000001C0000-0x0000000000278000-memory.dmp
      Filesize

      736KB

    • memory/1236-55-0x0000000000590000-0x00000000005D0000-memory.dmp
      Filesize

      256KB

    • memory/1236-56-0x0000000000730000-0x0000000000744000-memory.dmp
      Filesize

      80KB

    • memory/1236-57-0x0000000000590000-0x00000000005D0000-memory.dmp
      Filesize

      256KB

    • memory/1236-58-0x0000000000740000-0x000000000074C000-memory.dmp
      Filesize

      48KB

    • memory/1236-59-0x0000000005D90000-0x0000000005E08000-memory.dmp
      Filesize

      480KB

    • memory/1236-60-0x0000000000860000-0x0000000000866000-memory.dmp
      Filesize

      24KB

    • memory/1236-61-0x0000000000A10000-0x0000000000A42000-memory.dmp
      Filesize

      200KB

    • memory/1572-62-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-64-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-63-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-65-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1572-67-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-69-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-71-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/1572-72-0x0000000004EF0000-0x0000000004F30000-memory.dmp
      Filesize

      256KB

    • memory/1572-73-0x0000000004EF0000-0x0000000004F30000-memory.dmp
      Filesize

      256KB