Analysis

  • max time kernel
    63s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2023 07:16

General

  • Target

    Betaling,jpg.exe

  • Size

    798KB

  • MD5

    c9ee1dae02a9961479085904a889bcf1

  • SHA1

    6fd63820b7304f567733d2b742a884db76a33878

  • SHA256

    cc52858669052729a30b968cfcd103bdd10cb6c1099090d9e21b0116eb891482

  • SHA512

    8edc2cbc038cea06e7d1c6d4c01a2abc8a8f777737e1bda08ad8981f695a8d7f79cb991ec1667350ba32e7b5486e71d34afcd48e403755ac42086f8b88036468

  • SSDEEP

    24576:lYkimX0T9OlQFXL0ZQMXNFi/EVn1dnkHV:l0GQyQiF1jdnkHV

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.amwi.net
  • Port:
    587
  • Username:
    fax@doc-henne.de
  • Password:
    A77i6l!v
  • Email To:
    goldcoin77@consultant.com

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
  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe
    "C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe
      "C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe"
      2⤵
        PID:1692
      • C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe
        "C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe"
        2⤵
          PID:576
        • C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe
          "C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe"
          2⤵
            PID:656
          • C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe
            "C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe"
            2⤵
              PID:468
            • C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe
              "C:\Users\Admin\AppData\Local\Temp\Betaling,jpg.exe"
              2⤵
              • Accesses Microsoft Outlook profiles
              • Suspicious use of AdjustPrivilegeToken
              • outlook_office_path
              • outlook_win_path
              PID:560

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Credential Access

          Credentials in Files

          3
          T1081

          Collection

          Data from Local System

          3
          T1005

          Email Collection

          1
          T1114

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/560-66-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-61-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-62-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-89-0x00000000020E0000-0x0000000002120000-memory.dmp
            Filesize

            256KB

          • memory/560-63-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-71-0x00000000020E0000-0x0000000002120000-memory.dmp
            Filesize

            256KB

          • memory/560-70-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-64-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-68-0x0000000000400000-0x0000000000430000-memory.dmp
            Filesize

            192KB

          • memory/560-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
            Filesize

            4KB

          • memory/1516-59-0x0000000007710000-0x0000000007788000-memory.dmp
            Filesize

            480KB

          • memory/1516-58-0x00000000004E0000-0x00000000004EC000-memory.dmp
            Filesize

            48KB

          • memory/1516-54-0x00000000000E0000-0x00000000001AE000-memory.dmp
            Filesize

            824KB

          • memory/1516-56-0x00000000004C0000-0x00000000004CE000-memory.dmp
            Filesize

            56KB

          • memory/1516-60-0x0000000001E50000-0x0000000001E82000-memory.dmp
            Filesize

            200KB

          • memory/1516-55-0x0000000006FE0000-0x0000000007020000-memory.dmp
            Filesize

            256KB

          • memory/1516-57-0x0000000006FE0000-0x0000000007020000-memory.dmp
            Filesize

            256KB