Analysis

  • max time kernel
    6s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 11:59

General

  • Target

    5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe

  • Size

    742KB

  • MD5

    9e86c85f3d451e8a8716c39dbe28379a

  • SHA1

    c23ac963949b1c91ae566be269971e72808376a7

  • SHA256

    5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

  • SHA512

    f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422

  • SSDEEP

    12288:txGQ/w/DKicDR4RBAwFV340O5BZOKhNSRmDSuo8ukI/Px6VqlZz6oa5Nlt4pWG:PGQYLPRBAwFVo0O5BZOKhNZ9I4UlZmdO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.mts.rs
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Tptadic

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Hawkeye family
  • Detected Nirsoft tools 11 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe
    "C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe
      "C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe"
      2⤵
        PID:2680
      • C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe
        "C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2820
          • C:\Users\Admin\AppData\Roaming\Windows Update.exe
            "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2648
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
              5⤵
                PID:1256
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
                5⤵
                  PID:1796

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

          Filesize

          102B

          MD5

          7c4dbc15fc3117ea74878e6ccab9b311

          SHA1

          bda818092dc60cb226dca2eb48cec3fb989f6799

          SHA256

          19297f6f41f200a14e1da9ee08cfbd8c2f5431a9ec99ce861a92183e2415a3e8

          SHA512

          60c674c61919e7491bb58192186ddef94844e63cdcc2455563a95f83e6d3426eee99739c43182221447d7fe295ee5ef0ed38c0c4fce92fe7d498b9fd114adb37

        • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • \Users\Admin\AppData\Roaming\Windows Update.exe

          Filesize

          742KB

          MD5

          9e86c85f3d451e8a8716c39dbe28379a

          SHA1

          c23ac963949b1c91ae566be269971e72808376a7

          SHA256

          5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

          SHA512

          f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422

        • memory/1256-53-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1256-51-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1256-52-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1796-60-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1796-55-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1796-54-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2540-17-0x0000000074B60000-0x000000007524E000-memory.dmp

          Filesize

          6.9MB

        • memory/2540-13-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2540-7-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-4-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-5-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-15-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-6-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-10-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/2540-16-0x0000000074B60000-0x000000007524E000-memory.dmp

          Filesize

          6.9MB

        • memory/2540-42-0x0000000074B60000-0x000000007524E000-memory.dmp

          Filesize

          6.9MB

        • memory/2628-46-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

          Filesize

          4KB

        • memory/2628-47-0x0000000074B60000-0x000000007524E000-memory.dmp

          Filesize

          6.9MB

        • memory/2628-11-0x0000000074B60000-0x000000007524E000-memory.dmp

          Filesize

          6.9MB

        • memory/2628-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

          Filesize

          4KB

        • memory/2628-3-0x0000000000250000-0x0000000000258000-memory.dmp

          Filesize

          32KB

        • memory/2628-2-0x00000000001F0000-0x0000000000204000-memory.dmp

          Filesize

          80KB

        • memory/2628-1-0x0000000001240000-0x0000000001300000-memory.dmp

          Filesize

          768KB

        • memory/2648-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2648-50-0x00000000009B0000-0x00000000009B8000-memory.dmp

          Filesize

          32KB

        • memory/2820-27-0x0000000000380000-0x0000000000394000-memory.dmp

          Filesize

          80KB

        • memory/2820-26-0x0000000001190000-0x0000000001250000-memory.dmp

          Filesize

          768KB