Analysis

  • max time kernel
    45s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 18:48

General

  • Target

    d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34.exe

  • Size

    742KB

  • MD5

    b7f8c3de735f7d82acd19336aa7d755b

  • SHA1

    ae515348a20897beb3d4feebafc279b3c7046f3a

  • SHA256

    d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34

  • SHA512

    75cc288313ec1f0ba6bb98860184404cbfb1cf6d0c812abed1bc94e7d3232e644c5e460d5b7d3eb5a51d00c3a0db754fbf40d5ce9d31fa2f0ddfbd9d03d0a4f6

  • SSDEEP

    12288:txGQ/w/DKicDR4RBAwFV340O5BZOKhNSRmDSuo8ukI/Px6VqlZz6oa5Nlt4pWGx:PGQYLPRBAwFVo0O5BZOKhNZ9I4UlZmda

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
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34.exe
    "C:\Users\Admin\AppData\Local\Temp\d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\AppData\Local\Temp\d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34.exe
      "C:\Users\Admin\AppData\Local\Temp\d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2804
      • 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:2720
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2740
          • 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⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:2172
          • 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⤵
            • System Location Discovery: System Language Discovery
            PID:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    102B

    MD5

    d83052ff4e804920aee32bdf0be0de72

    SHA1

    583764d60a6c5a66ac70425499aac7994a1bdc97

    SHA256

    b917d192689234d1ccd5b14794c389921c7711877e6b1ef1e737ac9e9f668c58

    SHA512

    a21c944b31b90bf6ca875c158dba14f77d90c6895a3c1692c05616991c1d3cc65c17a380549bda34dae5b283fe3e068b1f44b2f36979dac63bf42da06bfc38de

  • 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

    b7f8c3de735f7d82acd19336aa7d755b

    SHA1

    ae515348a20897beb3d4feebafc279b3c7046f3a

    SHA256

    d533ef82a3467543ec5b6bac2c37d6d9e3f764f830f6da7eb1eb3a2684388e34

    SHA512

    75cc288313ec1f0ba6bb98860184404cbfb1cf6d0c812abed1bc94e7d3232e644c5e460d5b7d3eb5a51d00c3a0db754fbf40d5ce9d31fa2f0ddfbd9d03d0a4f6

  • memory/1312-62-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1312-61-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1312-60-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1312-68-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2172-59-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2172-58-0x0000000000420000-0x0000000000487000-memory.dmp

    Filesize

    412KB

  • memory/2172-57-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2172-56-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2660-2-0x0000000000270000-0x0000000000284000-memory.dmp

    Filesize

    80KB

  • memory/2660-19-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2660-3-0x0000000000310000-0x0000000000318000-memory.dmp

    Filesize

    32KB

  • memory/2660-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2660-1-0x0000000000CE0000-0x0000000000DA0000-memory.dmp

    Filesize

    768KB

  • memory/2660-51-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2660-50-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2720-30-0x0000000001030000-0x00000000010F0000-memory.dmp

    Filesize

    768KB

  • memory/2720-31-0x0000000000480000-0x0000000000494000-memory.dmp

    Filesize

    80KB

  • memory/2740-55-0x00000000009A0000-0x00000000009A8000-memory.dmp

    Filesize

    32KB

  • memory/2740-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-10-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/2804-52-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2804-21-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2804-6-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/2804-8-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/2804-46-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2804-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-14-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/2804-16-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/2804-18-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/2804-20-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2804-4-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB