Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:06

General

  • Target

    5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.exe

  • Size

    611KB

  • MD5

    30a6977a4b687df2b639f3c7106be3d2

  • SHA1

    3910d59ccfb813c85c8b3f60c499d88c529bb504

  • SHA256

    5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff

  • SHA512

    dd9b1b01bd902b7ed222d47f7d59bb0a09ce1f4cb3fcc4250231f9500e98c3916697c3ab9bf9c10cfc1430f3474e364d94d583364c5ad804505c52ecd818eb5a

  • SSDEEP

    12288:igqwEHlsnrrsZNQiHCkT2VHKj3aaR5Pd4wKNbEt8LF+mbHy:eHCkT/jKaR5V4bY8X

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    italik2015

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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.exe
    "C:\Users\Admin\AppData\Local\Temp\5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.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:3516
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bzCyhj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2304.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2892
    • C:\Users\Admin\AppData\Local\Temp\5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.exe
      "{path}"
      2⤵
        PID:2952
      • C:\Users\Admin\AppData\Local\Temp\5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.exe
        "{path}"
        2⤵
          PID:768
        • C:\Users\Admin\AppData\Local\Temp\5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4664

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\5a5d5a62a374bf9f74ee88b0214c358e9bcc7f0fe98d85beb1cb2a8bf06f7cff.exe.log

        Filesize

        581B

        MD5

        fb7ca783de5c0f0d7e7c7cdee64542b5

        SHA1

        25aab766c326e43d03ae94a7409b3512dd17d516

        SHA256

        47fc53ff728224a600a0e80d49e56a224479589d7ed914c6312fec93dad0c3ef

        SHA512

        2694aea7a5b4998b03ced645003be53152aaa3b31069f0525263fb8b170753a2677acb5a16e84249a070a4a249c52c5520a0c3dad22eca6862fce32adddd155b

      • C:\Users\Admin\AppData\Local\Temp\tmp2304.tmp

        Filesize

        1KB

        MD5

        d063a381bf8344cb0a3da687a0bc9938

        SHA1

        2630b322724b0bf552052dcc63fad9fa016dc192

        SHA256

        ef6c9658000b54f08a1729eaa1b7e451f400c9a9ef6a62f3adb37cab3ee1e403

        SHA512

        7f206feefc8683f58f3283acab8f286d8a25991d50c3b8b2157e28aaab7b8d0475ab99d9e939917c27e760aaa1f5bdbe1064abfad1068428ed28d8036d0e08e6

      • memory/3516-12-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/3516-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

        Filesize

        4KB

      • memory/3516-4-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/3516-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/3516-3-0x0000000074C42000-0x0000000074C43000-memory.dmp

        Filesize

        4KB

      • memory/3516-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-11-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-8-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/4664-13-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-14-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-15-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-16-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-17-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-18-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB

      • memory/4664-19-0x0000000074C40000-0x00000000751F1000-memory.dmp

        Filesize

        5.7MB