Analysis

  • max time kernel
    150s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2022 13:55

General

  • Target

    c9ffa3c68d1addcc67bd65f601c49d2e62a4120679be4cca2297166a2bcd17de.exe

  • Size

    686KB

  • MD5

    f783e7a68c51bd04ee160f15d2922019

  • SHA1

    2ac8c2aa855031e0cd26dfb083a9fef3235ffa2a

  • SHA256

    c9ffa3c68d1addcc67bd65f601c49d2e62a4120679be4cca2297166a2bcd17de

  • SHA512

    265ac622d2de438a72fce217c11da4a76145bd61e812163f3a06a19a66bde984bebb7e19a0689cc4d295b8ce7cc3f3b56c327970fa85f189908de81301500703

  • SSDEEP

    12288:n4D/U/5s5BXJZI15fI62k2fs+DauzTumNI5FcCu1cjZnbCkI:4I/5uJ05gdbfSuzT1NocCNjZnbCkI

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    *UC*BWj8OQWn3@@@21

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
  • 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\c9ffa3c68d1addcc67bd65f601c49d2e62a4120679be4cca2297166a2bcd17de.exe
    "C:\Users\Admin\AppData\Local\Temp\c9ffa3c68d1addcc67bd65f601c49d2e62a4120679be4cca2297166a2bcd17de.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Users\Admin\AppData\Local\Temp\c9ffa3c68d1addcc67bd65f601c49d2e62a4120679be4cca2297166a2bcd17de.exe
      "C:\Users\Admin\AppData\Local\Temp\c9ffa3c68d1addcc67bd65f601c49d2e62a4120679be4cca2297166a2bcd17de.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/936-135-0x00000000006A0000-0x0000000000752000-memory.dmp

    Filesize

    712KB

  • memory/936-136-0x00000000055F0000-0x0000000005B94000-memory.dmp

    Filesize

    5.6MB

  • memory/936-137-0x00000000050F0000-0x0000000005182000-memory.dmp

    Filesize

    584KB

  • memory/936-138-0x00000000052A0000-0x00000000052AA000-memory.dmp

    Filesize

    40KB

  • memory/936-139-0x0000000007AD0000-0x0000000007B6C000-memory.dmp

    Filesize

    624KB

  • memory/3840-140-0x0000000000000000-mapping.dmp

  • memory/3840-141-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3840-142-0x0000000006220000-0x0000000006286000-memory.dmp

    Filesize

    408KB

  • memory/3840-143-0x00000000066B0000-0x0000000006700000-memory.dmp

    Filesize

    320KB