Analysis

  • max time kernel
    5s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 04:35

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 12 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 9 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 use of WriteProcessMemory 28 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 use of WriteProcessMemory
    PID:2332
    • 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:2084
      • 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:2752
        • 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:3032
          • 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:2424
            • 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:1708

      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/1708-58-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1708-59-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1708-65-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1708-57-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2084-14-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2084-16-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2084-12-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2084-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2084-8-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2084-6-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2084-5-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2084-19-0x0000000074DA0000-0x000000007548E000-memory.dmp

        Filesize

        6.9MB

      • memory/2084-44-0x0000000074DA0000-0x000000007548E000-memory.dmp

        Filesize

        6.9MB

      • memory/2084-18-0x0000000074DA0000-0x000000007548E000-memory.dmp

        Filesize

        6.9MB

      • memory/2084-4-0x0000000000400000-0x0000000000494000-memory.dmp

        Filesize

        592KB

      • memory/2332-3-0x0000000000210000-0x0000000000218000-memory.dmp

        Filesize

        32KB

      • memory/2332-17-0x0000000074DA0000-0x000000007548E000-memory.dmp

        Filesize

        6.9MB

      • memory/2332-2-0x00000000001B0000-0x00000000001C4000-memory.dmp

        Filesize

        80KB

      • memory/2332-49-0x0000000074DA0000-0x000000007548E000-memory.dmp

        Filesize

        6.9MB

      • memory/2332-48-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

        Filesize

        4KB

      • memory/2332-1-0x00000000012D0000-0x0000000001390000-memory.dmp

        Filesize

        768KB

      • memory/2332-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

        Filesize

        4KB

      • memory/2424-54-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2424-56-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2424-53-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2752-29-0x00000000004C0000-0x00000000004D4000-memory.dmp

        Filesize

        80KB

      • memory/2752-28-0x0000000000A60000-0x0000000000B20000-memory.dmp

        Filesize

        768KB

      • memory/3032-52-0x00000000020B0000-0x00000000020B8000-memory.dmp

        Filesize

        32KB

      • memory/3032-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB