Analysis

  • max time kernel
    145s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2023 16:17

General

  • Target

    Level 7 Free.exe

  • Size

    1.1MB

  • MD5

    1fa6f3e74dd5a7ef2fefc826a20dcec7

  • SHA1

    683b903de198378eed2bf8b0fc81a357d71885e3

  • SHA256

    b352a1acc928c427fd002159fa9fef4fb83f5e00517e4724c9f99666ba156255

  • SHA512

    1068a4a3cb145d02b501ea81bb938793f70fe80479a88b919b6ef1b0d35a8402aa777bdd59d85530ee7cd9410dcc165bfdcf4bbf6f07db6e21653c68357fa829

  • SSDEEP

    24576:bKFuHlslz9lTWEHpqCHFZ19P98/eGAsB9LPx4GjiRtwBYcWJ:bKFuHlUz9laEHpZlZ19P98/8k9LPxHQ3

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 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 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Level 7 Free.exe
    "C:\Users\Admin\AppData\Local\Temp\Level 7 Free.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\EBFile_1.exe
      "C:\Users\Admin\AppData\Local\Temp\EBFile_1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1056
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:1348
    • 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"
      2⤵
        PID:1564
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:820
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0xc4
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:804
      • C:\Users\Admin\Desktop\RobloxPlayerBeta.exe
        "C:\Users\Admin\Desktop\RobloxPlayerBeta.exe"
        1⤵
        • Drops file in Windows directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:1864
      • C:\Users\Admin\Desktop\RobloxPlayerBeta.exe
        "C:\Users\Admin\Desktop\RobloxPlayerBeta.exe"
        1⤵
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:316

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Scripting

      1
      T1064

      Modify Registry

      1
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\EBFile_1.exe
        Filesize

        12KB

        MD5

        22ebb12b7a9dac8c343a0e2cdbd9f855

        SHA1

        358ee416cf40e1c65d5747f5a9ccea752540b140

        SHA256

        ad22c3a1fb23fd68e0b6d41fd49a69cc80519a704ef0eca098b1c17da9e13f85

        SHA512

        1eab380778e4ebce2a94cd94c0541f066ad3a3b692df87e1823bed8fdc5ed1578cc7e8b5d9d4f11051832b44194b5cb0aeb9ba357c83e9c09dcece8d5f52905d

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

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • \Users\Admin\AppData\Local\Temp\EBFile_1.exe
        Filesize

        12KB

        MD5

        22ebb12b7a9dac8c343a0e2cdbd9f855

        SHA1

        358ee416cf40e1c65d5747f5a9ccea752540b140

        SHA256

        ad22c3a1fb23fd68e0b6d41fd49a69cc80519a704ef0eca098b1c17da9e13f85

        SHA512

        1eab380778e4ebce2a94cd94c0541f066ad3a3b692df87e1823bed8fdc5ed1578cc7e8b5d9d4f11051832b44194b5cb0aeb9ba357c83e9c09dcece8d5f52905d

      • memory/316-87-0x000007FEF6F40000-0x000007FEF6F8C000-memory.dmp
        Filesize

        304KB

      • memory/316-86-0x000007FEF6F40000-0x000007FEF6F8C000-memory.dmp
        Filesize

        304KB

      • memory/1200-65-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1200-66-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1200-54-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1200-70-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1200-72-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1200-83-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1200-82-0x0000000000DC0000-0x0000000000E00000-memory.dmp
        Filesize

        256KB

      • memory/1348-67-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1348-73-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1348-71-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1348-69-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1564-77-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1564-80-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1564-76-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1564-74-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1864-84-0x000007FEF6F40000-0x000007FEF6F8C000-memory.dmp
        Filesize

        304KB

      • memory/1864-85-0x000007FEF6F40000-0x000007FEF6F8C000-memory.dmp
        Filesize

        304KB