Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14-04-2022 06:52

General

  • Target

    c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe

  • Size

    533KB

  • MD5

    9faa094bc47f9c07671d12e26d4690a9

  • SHA1

    0b15eddc257c1f85caacd3c0dc2f01da3ea84b04

  • SHA256

    c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128

  • SHA512

    ae6b5ea2c7c30b5eb14d26c62fc9fc9ee876b4a69cc392061a4c07053e017320880881abc575faee4887c1ba364e33730823ea6b824e8f252daaa035f36929e0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.cittadini.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    XVYxcef9

Signatures

  • AgentTesla

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

  • Meta Stealer Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • AgentTesla Payload 1 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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe
    "C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.exe
      "{path}"
      2⤵
        PID:324
      • C:\Users\Admin\AppData\Local\Temp\c3c69d443faeb686c99f9432f9c7940f76b7373c6099228cc328542d6cf00128.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:408

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/408-138-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/408-139-0x0000000006110000-0x0000000006176000-memory.dmp

      Filesize

      408KB

    • memory/408-140-0x0000000006280000-0x00000000062D0000-memory.dmp

      Filesize

      320KB

    • memory/3224-130-0x0000000000710000-0x000000000079C000-memory.dmp

      Filesize

      560KB

    • memory/3224-131-0x00000000056F0000-0x0000000005C94000-memory.dmp

      Filesize

      5.6MB

    • memory/3224-132-0x00000000051E0000-0x0000000005272000-memory.dmp

      Filesize

      584KB

    • memory/3224-133-0x0000000005150000-0x000000000515A000-memory.dmp

      Filesize

      40KB

    • memory/3224-134-0x0000000007B40000-0x000000000806C000-memory.dmp

      Filesize

      5.2MB

    • memory/3224-135-0x0000000008390000-0x000000000842C000-memory.dmp

      Filesize

      624KB