Analysis

  • max time kernel
    126s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2024, 01:28

General

  • Target

    29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.exe

  • Size

    480KB

  • MD5

    7f581f2cc923a99f8db2b8777a318234

  • SHA1

    62bb973c1fbc6ba38084c8a2bf340c3ccc2c7f7c

  • SHA256

    29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48

  • SHA512

    d73cfa579f5585526b5a5bd13b951a22b4f20330d0abb7c2c8bbd171d26ea6aa47bb91471921d4cf73344b8ee0d74b1fb31b9a45a223f927013d368eed5f39ef

  • SSDEEP

    12288:GUi2iNWRLTQoCf7+NpDwFNzXDzNgSYMHdmmVfOZqYTNu:GUi1QRG7+NpkFNzTzNigd7VfO3u

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.exe
    "C:\Users\Admin\AppData\Local\Temp\29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.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:4720
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xsFqGJAH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2362.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4260
    • C:\Users\Admin\AppData\Local\Temp\29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.exe
      "C:\Users\Admin\AppData\Local\Temp\29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.exe"
      2⤵
        PID:1924
      • C:\Users\Admin\AppData\Local\Temp\29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.exe
        "C:\Users\Admin\AppData\Local\Temp\29fdebe9f91e469db2cb1ba32197e43c282fca82956160a1ca9b1a96e3295b48.exe"
        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:4144

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4144-16-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/4144-27-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4144-26-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4144-25-0x0000000006880000-0x00000000068D0000-memory.dmp

            Filesize

            320KB

          • memory/4144-24-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4144-23-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4144-22-0x0000000006680000-0x00000000066E6000-memory.dmp

            Filesize

            408KB

          • memory/4144-21-0x0000000005A20000-0x0000000005A38000-memory.dmp

            Filesize

            96KB

          • memory/4144-20-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4144-18-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4720-5-0x0000000004AB0000-0x0000000004ABA000-memory.dmp

            Filesize

            40KB

          • memory/4720-10-0x0000000005880000-0x00000000058E0000-memory.dmp

            Filesize

            384KB

          • memory/4720-9-0x0000000005630000-0x00000000056CC000-memory.dmp

            Filesize

            624KB

          • memory/4720-19-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4720-8-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4720-7-0x00000000747CE000-0x00000000747CF000-memory.dmp

            Filesize

            4KB

          • memory/4720-6-0x0000000004D90000-0x0000000004D9E000-memory.dmp

            Filesize

            56KB

          • memory/4720-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

            Filesize

            4KB

          • memory/4720-4-0x00000000747C0000-0x0000000074F70000-memory.dmp

            Filesize

            7.7MB

          • memory/4720-3-0x0000000004AD0000-0x0000000004B62000-memory.dmp

            Filesize

            584KB

          • memory/4720-2-0x0000000005080000-0x0000000005624000-memory.dmp

            Filesize

            5.6MB

          • memory/4720-1-0x0000000000030000-0x00000000000AE000-memory.dmp

            Filesize

            504KB