Analysis

  • max time kernel
    113s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:08

General

  • Target

    aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648.exe

  • Size

    450KB

  • MD5

    ccc806ad6aea5c93e8f235a43f2c514c

  • SHA1

    1623d1f14d9c38d55b7b911d79b21ac8ab398258

  • SHA256

    aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648

  • SHA512

    faa3333a5aaca8152d64831993b46aa30741fc4f2980647d4cbfc6462c44e0490acfc5a96ca92e19f13f9340b020bc1797fb6cdb8c08448c9c4cae65d8a5afd6

  • SSDEEP

    12288:maob+xukglukgvj3tZzDeCOQhskVYe6mo:Y+xZglukw3tdx3VYmo

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 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 3 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). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648.exe
    "C:\Users\Admin\AppData\Local\Temp\aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648.exe
      "C:\Users\Admin\AppData\Local\Temp\aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1780
      • 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
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1968
          • 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
            PID:1668
          • 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:1264

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      102B

      MD5

      4098d1557691ac3758d9758137632054

      SHA1

      b2b863137873d7378ada7037af6408fe9329b04a

      SHA256

      7da0b22d27aa38db685546a575bfe761872d13fe21e94bdeb5cbe5fbf7e788cd

      SHA512

      23ae353454a95fff04a8c0a95ce095ac6d70a8fd7e33ebbcca0df83778e63f3a5df105bf47c4c2bae737f9e4182688f04940671a3962fd2efe8d949644a7a793

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

      Filesize

      450KB

      MD5

      ccc806ad6aea5c93e8f235a43f2c514c

      SHA1

      1623d1f14d9c38d55b7b911d79b21ac8ab398258

      SHA256

      aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648

      SHA512

      faa3333a5aaca8152d64831993b46aa30741fc4f2980647d4cbfc6462c44e0490acfc5a96ca92e19f13f9340b020bc1797fb6cdb8c08448c9c4cae65d8a5afd6

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

      Filesize

      450KB

      MD5

      ccc806ad6aea5c93e8f235a43f2c514c

      SHA1

      1623d1f14d9c38d55b7b911d79b21ac8ab398258

      SHA256

      aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648

      SHA512

      faa3333a5aaca8152d64831993b46aa30741fc4f2980647d4cbfc6462c44e0490acfc5a96ca92e19f13f9340b020bc1797fb6cdb8c08448c9c4cae65d8a5afd6

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

      Filesize

      450KB

      MD5

      ccc806ad6aea5c93e8f235a43f2c514c

      SHA1

      1623d1f14d9c38d55b7b911d79b21ac8ab398258

      SHA256

      aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648

      SHA512

      faa3333a5aaca8152d64831993b46aa30741fc4f2980647d4cbfc6462c44e0490acfc5a96ca92e19f13f9340b020bc1797fb6cdb8c08448c9c4cae65d8a5afd6

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

      Filesize

      450KB

      MD5

      ccc806ad6aea5c93e8f235a43f2c514c

      SHA1

      1623d1f14d9c38d55b7b911d79b21ac8ab398258

      SHA256

      aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648

      SHA512

      faa3333a5aaca8152d64831993b46aa30741fc4f2980647d4cbfc6462c44e0490acfc5a96ca92e19f13f9340b020bc1797fb6cdb8c08448c9c4cae65d8a5afd6

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

      Filesize

      450KB

      MD5

      ccc806ad6aea5c93e8f235a43f2c514c

      SHA1

      1623d1f14d9c38d55b7b911d79b21ac8ab398258

      SHA256

      aed3296d4bd0828b1212a9e8709901312f456be380ab9054d10110b0475af648

      SHA512

      faa3333a5aaca8152d64831993b46aa30741fc4f2980647d4cbfc6462c44e0490acfc5a96ca92e19f13f9340b020bc1797fb6cdb8c08448c9c4cae65d8a5afd6

    • memory/1160-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

      Filesize

      8KB

    • memory/1160-55-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/1160-69-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/1160-70-0x00000000003B5000-0x00000000003C6000-memory.dmp

      Filesize

      68KB

    • memory/1160-56-0x00000000003B5000-0x00000000003C6000-memory.dmp

      Filesize

      68KB

    • memory/1264-112-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1264-106-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1264-107-0x0000000000442628-mapping.dmp

    • memory/1264-110-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1668-103-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1668-99-0x0000000000411654-mapping.dmp

    • memory/1668-98-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1668-105-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1668-104-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1780-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1780-63-0x000000000047EA4E-mapping.dmp

    • memory/1780-76-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/1968-101-0x0000000000345000-0x0000000000356000-memory.dmp

      Filesize

      68KB

    • memory/1968-86-0x000000000047EA4E-mapping.dmp

    • memory/1968-97-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/1968-95-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/1968-113-0x0000000000345000-0x0000000000356000-memory.dmp

      Filesize

      68KB

    • memory/2040-72-0x0000000000000000-mapping.dmp

    • memory/2040-77-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-78-0x0000000000505000-0x0000000000516000-memory.dmp

      Filesize

      68KB

    • memory/2040-92-0x0000000074780000-0x0000000074D2B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-93-0x0000000000505000-0x0000000000516000-memory.dmp

      Filesize

      68KB