Analysis

  • max time kernel
    68s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2022, 22:53

General

  • Target

    #QFYEY054.exe

  • Size

    783KB

  • MD5

    7fb55d4603a18e4167d6c75eac2803d8

  • SHA1

    79dee68c3f71aff21b1f7abe917d0a15c672f97f

  • SHA256

    24c42dee676b7009980638f11001c75335c9cdf08addbc3c10f941103835955b

  • SHA512

    d927ebe95d8e2468513283b9bdbf90fae4e6f37d1ae18a720a9ac4c9598bb449830c31de7d37429040c4c826e114b23afc5deed54cdcf4c9fedef2ac70e48e0c

  • SSDEEP

    12288:+n+9AgHtDg5xE1j5MXLdie/BCKWvMMqpUz0zFwqPuVorLb355w3z5LErq:+nC4o5wdiCB7WEGz0HPWorX3g39

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1591373451:AAH6Q2mvjdA9146Wl0khv2-kuh-iTps2zjw/

Signatures

  • AgentTesla

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

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe
    "C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1108

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1108-59-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1108-64-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1108-63-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1108-62-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1108-67-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1108-60-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1108-69-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1668-55-0x0000000075071000-0x0000000075073000-memory.dmp

          Filesize

          8KB

        • memory/1668-56-0x0000000000270000-0x0000000000282000-memory.dmp

          Filesize

          72KB

        • memory/1668-57-0x0000000004D20000-0x0000000004DA6000-memory.dmp

          Filesize

          536KB

        • memory/1668-58-0x0000000000A50000-0x0000000000A8E000-memory.dmp

          Filesize

          248KB

        • memory/1668-54-0x0000000000BB0000-0x0000000000C7A000-memory.dmp

          Filesize

          808KB