Analysis

  • max time kernel
    125s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-01-2021 18:15

General

  • Target

    PO-98766.exe

  • Size

    725KB

  • MD5

    325fcdb7515780891b068b0a8e03a5f1

  • SHA1

    04dd991aaa5021184918954cc388a92c036307c6

  • SHA256

    496283b57cc1d297b0500bb373378421b382f98d1c5b242722604a17d9d77e77

  • SHA512

    7902d8ae5bbe5672b5bf25058af97fbf8bf7042ba22f614859f82ee24eda0ed9e46d6e4499e2985d3f641b1ef89ff3a0db11fa9a37eadd428ea6199701eb1ead

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cloudaccess.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Senegal121

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-98766.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-98766.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4708
    • C:\Users\Admin\AppData\Local\Temp\PO-98766.exe
      "{path}"
      2⤵
        PID:4088
      • C:\Users\Admin\AppData\Local\Temp\PO-98766.exe
        "{path}"
        2⤵
          PID:3456
        • C:\Users\Admin\AppData\Local\Temp\PO-98766.exe
          "{path}"
          2⤵
            PID:3096
          • C:\Users\Admin\AppData\Local\Temp\PO-98766.exe
            "{path}"
            2⤵
              PID:2136
            • C:\Users\Admin\AppData\Local\Temp\PO-98766.exe
              "{path}"
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2788

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-98766.exe.log
            MD5

            0c2899d7c6746f42d5bbe088c777f94c

            SHA1

            622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

            SHA256

            5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

            SHA512

            ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

          • memory/2788-11-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2788-20-0x0000000005D70000-0x0000000005D71000-memory.dmp
            Filesize

            4KB

          • memory/2788-19-0x0000000005CD0000-0x0000000005CD1000-memory.dmp
            Filesize

            4KB

          • memory/2788-14-0x0000000073530000-0x0000000073C1E000-memory.dmp
            Filesize

            6.9MB

          • memory/2788-12-0x000000000043751E-mapping.dmp
          • memory/4708-6-0x0000000005790000-0x0000000005791000-memory.dmp
            Filesize

            4KB

          • memory/4708-10-0x0000000007EC0000-0x0000000007EC1000-memory.dmp
            Filesize

            4KB

          • memory/4708-9-0x0000000007D70000-0x0000000007DF7000-memory.dmp
            Filesize

            540KB

          • memory/4708-8-0x0000000005B80000-0x0000000005B8E000-memory.dmp
            Filesize

            56KB

          • memory/4708-7-0x0000000005900000-0x0000000005901000-memory.dmp
            Filesize

            4KB

          • memory/4708-2-0x0000000073530000-0x0000000073C1E000-memory.dmp
            Filesize

            6.9MB

          • memory/4708-5-0x0000000005C90000-0x0000000005C91000-memory.dmp
            Filesize

            4KB

          • memory/4708-3-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
            Filesize

            4KB