Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:40

General

  • Target

    2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe

  • Size

    711KB

  • MD5

    1e3e1d598639d5d9d86e73c4549fea19

  • SHA1

    2a73816f13b46576ebb614a6570880c51d4104ea

  • SHA256

    2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436

  • SHA512

    4cbaa477e7f6fbce010e47b4ccea27403435dc971714702ce08de2100b89d9ac2c77c8a8106828410fac6d0deeaf90fc9d6d0bb308b3b722063a33b3feab50c5

  • SSDEEP

    12288:IBTKt/rFfaxdAZrnBDcLguCvpTkbbIyX8OA7OZeK5hzof8gbXv3S/IHXEaTk7pYl:uKN5i/AZrBDvvpTzyX/ZeK59gzv3WOxF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.deblokhoeve.be
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blokhoeve2490.i

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
    "C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xTBpCPBoAPCxb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2164
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xTBpCPBoAPCxb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C11.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4636
    • C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
      "C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"
      2⤵
        PID:3660
      • C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
        "C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"
        2⤵
          PID:4400
        • C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
          "C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3628

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vxok43vq.im1.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp9C11.tmp

        Filesize

        1KB

        MD5

        2e9d499d5ea30bab220df1e7aa6675c2

        SHA1

        49c60a2c790c0a2333cc40c54c65e712b45bd70f

        SHA256

        a38e45c67494a15185c547b8b3a9ef0210a333562ff269149b666dae8ff6a758

        SHA512

        cec778f0c664de3716be8153b09f054c36e6ee8fd389c21f57cc919413b4c0ecb598c37942576aa50ffe4cf5907d66602ee7431420d365afa001569bc862c17e

      • memory/2164-52-0x00000000070D0000-0x00000000070EE000-memory.dmp

        Filesize

        120KB

      • memory/2164-55-0x0000000007230000-0x000000000724A000-memory.dmp

        Filesize

        104KB

      • memory/2164-67-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/2164-34-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/2164-64-0x0000000007550000-0x0000000007558000-memory.dmp

        Filesize

        32KB

      • memory/2164-36-0x0000000005F00000-0x0000000005F1E000-memory.dmp

        Filesize

        120KB

      • memory/2164-63-0x0000000007570000-0x000000000758A000-memory.dmp

        Filesize

        104KB

      • memory/2164-35-0x0000000005930000-0x0000000005C84000-memory.dmp

        Filesize

        3.3MB

      • memory/2164-62-0x0000000007470000-0x0000000007484000-memory.dmp

        Filesize

        80KB

      • memory/2164-61-0x0000000007460000-0x000000000746E000-memory.dmp

        Filesize

        56KB

      • memory/2164-16-0x0000000002600000-0x0000000002636000-memory.dmp

        Filesize

        216KB

      • memory/2164-18-0x0000000005200000-0x0000000005828000-memory.dmp

        Filesize

        6.2MB

      • memory/2164-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/2164-58-0x0000000007430000-0x0000000007441000-memory.dmp

        Filesize

        68KB

      • memory/2164-20-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/2164-57-0x00000000074B0000-0x0000000007546000-memory.dmp

        Filesize

        600KB

      • memory/2164-22-0x0000000004E50000-0x0000000004E72000-memory.dmp

        Filesize

        136KB

      • memory/2164-24-0x0000000005060000-0x00000000050C6000-memory.dmp

        Filesize

        408KB

      • memory/2164-23-0x0000000004EF0000-0x0000000004F56000-memory.dmp

        Filesize

        408KB

      • memory/2164-56-0x00000000072A0000-0x00000000072AA000-memory.dmp

        Filesize

        40KB

      • memory/2164-54-0x0000000007870000-0x0000000007EEA000-memory.dmp

        Filesize

        6.5MB

      • memory/2164-53-0x0000000007120000-0x00000000071C3000-memory.dmp

        Filesize

        652KB

      • memory/2164-42-0x000000006FDB0000-0x000000006FDFC000-memory.dmp

        Filesize

        304KB

      • memory/2164-37-0x0000000005F30000-0x0000000005F7C000-memory.dmp

        Filesize

        304KB

      • memory/2164-41-0x00000000064D0000-0x0000000006502000-memory.dmp

        Filesize

        200KB

      • memory/3628-38-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/3628-60-0x0000000007070000-0x00000000070C0000-memory.dmp

        Filesize

        320KB

      • memory/4600-0-0x000000007484E000-0x000000007484F000-memory.dmp

        Filesize

        4KB

      • memory/4600-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

        Filesize

        584KB

      • memory/4600-9-0x0000000007C30000-0x0000000007CB6000-memory.dmp

        Filesize

        536KB

      • memory/4600-5-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-17-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-7-0x0000000006900000-0x000000000690E000-memory.dmp

        Filesize

        56KB

      • memory/4600-40-0x0000000074840000-0x0000000074FF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-2-0x0000000005360000-0x0000000005904000-memory.dmp

        Filesize

        5.6MB

      • memory/4600-1-0x0000000000480000-0x0000000000538000-memory.dmp

        Filesize

        736KB

      • memory/4600-15-0x000000007484E000-0x000000007484F000-memory.dmp

        Filesize

        4KB

      • memory/4600-10-0x000000000A480000-0x000000000A51C000-memory.dmp

        Filesize

        624KB

      • memory/4600-8-0x0000000007BF0000-0x0000000007C00000-memory.dmp

        Filesize

        64KB

      • memory/4600-6-0x0000000006470000-0x0000000006486000-memory.dmp

        Filesize

        88KB

      • memory/4600-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp

        Filesize

        40KB