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Analysis

  • max time kernel
    171s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 21:06

General

  • Target

    772d76cd6cbaaf6e4878c2e6c14917f5.exe

  • Size

    144KB

  • MD5

    772d76cd6cbaaf6e4878c2e6c14917f5

  • SHA1

    b8ed51d346c5b754848e36880a816039c9e875aa

  • SHA256

    8d11d6895b8d24ddb79d2c68d5938abb5dceb75beab5c2f0f5a0f967875e9ad2

  • SHA512

    d39b9fff1805d46f282ab38eb2a0eaad119ad201cf30145aa658502658cdf66159b12d70e3483d1cb8982e9f4ec9c333e142f9918bd44c589cf4b9707302aab5

  • SSDEEP

    3072:UDa5T5E6lWPFUJbkwcp8TB/I6gM0hUq+GlCZVtcFeql37Ky:eMT7lW9UJgwyb6TXVtceQ37

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\772d76cd6cbaaf6e4878c2e6c14917f5.exe
    "C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe
      "C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe"
      2⤵
        PID:1432
      • C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe
        "C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe"
        2⤵
          PID:368
        • C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe
          "C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe"
          2⤵
          • Checks computer location settings
          • Accesses Microsoft Outlook profiles
          • Checks whether UAC is enabled
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:2780
          • C:\Users\Admin\AppData\Local\Temp\R10.exe
            "C:\Users\Admin\AppData\Local\Temp\R10.exe" C:\Users\Admin\AppData\Local\Temp\772d76cd6cbaaf6e4878c2e6c14917f5.exe
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1376

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\772d76cd6cbaaf6e4878c2e6c14917f5.exe.log

        Filesize

        313B

        MD5

        00b72ea3d569eb0d4fb85691b642f47c

        SHA1

        f9134a33706eb76ddb00e5276639d660a071da9b

        SHA256

        cd62d4fbf8b135be5c0b8448a7d53db7784869761a10ec99473f58f44d8e686c

        SHA512

        62af7608834d84fa95470247cab4bfa5a382825f81e9918b762e62dfc6c467e7b50cfb5b2fd36eff1da320e22aa8c1427c02820e06d9f2f6483e64740a43e8df

      • C:\Users\Admin\AppData\Local\Temp\R10.exe

        Filesize

        10KB

        MD5

        f683769b947501b5a98376619d5938bb

        SHA1

        6a38e4acd9ade0d85697d10683ec84fa0daed11c

        SHA256

        c2cae82e01d954e3a50feaebcd3f75de7416a851ea855d6f0e8aaac84a507ca3

        SHA512

        dbd7a26139c5ef6a409fb247b08eb54c62328edace9a047aac3ca75b8e552572428dbda4efc7836398fa4d2d9e68075e10e2436efcf1f9fc138d69ac440bd556

      • memory/1376-33-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/1376-32-0x0000000000E90000-0x0000000000EA0000-memory.dmp

        Filesize

        64KB

      • memory/1376-31-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/1376-26-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/1376-25-0x0000000000E90000-0x0000000000EA0000-memory.dmp

        Filesize

        64KB

      • memory/1376-24-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-9-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-12-0x0000000001710000-0x0000000001720000-memory.dmp

        Filesize

        64KB

      • memory/2780-11-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-10-0x0000000001710000-0x0000000001720000-memory.dmp

        Filesize

        64KB

      • memory/2780-27-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-28-0x0000000001710000-0x0000000001720000-memory.dmp

        Filesize

        64KB

      • memory/2780-29-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-30-0x0000000001710000-0x0000000001720000-memory.dmp

        Filesize

        64KB

      • memory/2780-5-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/4304-8-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/4304-0-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB

      • memory/4304-2-0x0000000001570000-0x0000000001580000-memory.dmp

        Filesize

        64KB

      • memory/4304-1-0x00000000748A0000-0x0000000074E51000-memory.dmp

        Filesize

        5.7MB