Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 23:43

General

  • Target

    5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e.exe

  • Size

    510KB

  • MD5

    9cc6808488ac25c8c7252b1a16d81866

  • SHA1

    f8a86372b9a903adc0e67c93aa4cb18ef2bf2160

  • SHA256

    5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e

  • SHA512

    eb68e18321b7b5a91d213de114763e12a5bfd262711cc5e44882b856836c122f4f298c9468f6533b2a22ed94ffa35b0f6efa6c78cb942a9916d9e09150584a57

  • SSDEEP

    12288:24LDqJFTP6uX8XCwHYWlWgt+lwLXLHCm8FuZ6EfH6r:24LDqeuXcCwXlWgMlaXJ8FNMar

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    SMTP.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nwamama121

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e.exe
    "C:\Users\Admin\AppData\Local\Temp\5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BTZLUHjBkaJYmD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDACF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:816
    • C:\Users\Admin\AppData\Local\Temp\5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e.exe
      "{path}"
      2⤵
        PID:3968
      • C:\Users\Admin\AppData\Local\Temp\5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e.exe
        "{path}"
        2⤵
          PID:3276
        • C:\Users\Admin\AppData\Local\Temp\5d5fa23a94b50ea0d7dd84266fc47ff1d51f0af4119a973d29034593ee3cb41e.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4496

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpDACF.tmp

        Filesize

        1KB

        MD5

        00c5c0d92fbb3393135b0356adf37305

        SHA1

        f641a74a50a5b51a8136cb2188c05396cf4f1e55

        SHA256

        2cd95e6b9fd0500608664f2f57fff68c0e9e400214b8b3cc76e2a627269b6dcc

        SHA512

        c8f069266a2930379a7fc6cdebbd5a5d257bcb4c341770a218b00d59f1eceea62c94b8714c9433383e349b054b7a32c94dd3712aa9fba230799b9f92a8374cd7

      • memory/2204-0-0x0000000074692000-0x0000000074693000-memory.dmp

        Filesize

        4KB

      • memory/2204-1-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/2204-2-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/2204-3-0x0000000074692000-0x0000000074693000-memory.dmp

        Filesize

        4KB

      • memory/2204-4-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/2204-5-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/2204-13-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-12-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-11-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-9-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/4496-14-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-15-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-16-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-17-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-18-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB

      • memory/4496-19-0x0000000074690000-0x0000000074C41000-memory.dmp

        Filesize

        5.7MB