Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 8 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:2500
    • 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:2672

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2500-132-0x0000000000320000-0x00000000003EA000-memory.dmp

          Filesize

          808KB

        • memory/2500-133-0x00000000053F0000-0x0000000005994000-memory.dmp

          Filesize

          5.6MB

        • memory/2500-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

          Filesize

          584KB

        • memory/2500-135-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

          Filesize

          624KB

        • memory/2500-136-0x0000000004E40000-0x0000000004E4A000-memory.dmp

          Filesize

          40KB

        • memory/2672-138-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2672-139-0x0000000005AA0000-0x0000000005B06000-memory.dmp

          Filesize

          408KB

        • memory/2672-140-0x0000000006680000-0x00000000066D0000-memory.dmp

          Filesize

          320KB