Analysis

  • max time kernel
    175s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 03:44

General

  • Target

    25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe

  • Size

    1.2MB

  • MD5

    728bcb795d2c5777577aa820cdfe9088

  • SHA1

    81b0fa677aa8975b56f02abd9cce56bd912fde51

  • SHA256

    25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02

  • SHA512

    c5da28ae275715a35d43b60a1596247edd567248c04c4e17ea885a51a549fc87f82af25debaf828610f2fc143bcd9d22259744f1b346b752d9bf8081bc212d2a

  • SSDEEP

    24576:404Yt75R+59L8vamkFE9rdmDkYOrxVBB29gsInQ8MBDlsl7gOHdx5V8:t4Y55A5x8vmC9rdmIjxjB2Mnwe5V8

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe
    "C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe
      "C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        PID:4436
    • C:\Users\Admin\AppData\Local\Temp\owodeoo.exe
      "C:\Users\Admin\AppData\Local\Temp\owodeoo.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Users\Admin\AppData\Local\Temp\owodeoo.exe
        "C:\Users\Admin\AppData\Local\Temp\owodeoo.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: SetClipboardViewer
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3544
        • 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"
          4⤵
            PID:5076
          • 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"
            4⤵
              PID:2392
        • C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe
          "C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe"
          2⤵
            PID:3832
          • C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe
            "C:\Users\Admin\AppData\Local\Temp\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4292
            • 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"
              3⤵
                PID:360
              • 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"
                3⤵
                  PID:4692

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02.exe.log

              Filesize

              594B

              MD5

              fdb26b3b547022b45cfaeee57eafd566

              SHA1

              11c6798b8a59233f404014c5e79b3363cd564b37

              SHA256

              2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

              SHA512

              44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

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

              Filesize

              102B

              MD5

              e2c0c33990954817a4de92507d21e9df

              SHA1

              5c89bf5937b07c95f9a76cabc98e0ea1c0287d1f

              SHA256

              85a3621023097910ab52497cd7d0dbdafea871006ca745e0f1be235963b4ae69

              SHA512

              acacc04868c394c5758461d6bd0fcab5aaed7815c58b39e812fb020c781f4aeb05f5e29774382989a882d5dee300a68d08d59314f695be4cc542c6766c4af3a1

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

              Filesize

              45B

              MD5

              20aa8ef06d6b5aa1901c5c00ce027b2e

              SHA1

              20a9c3e7a90e0bf314b3e45fa2703e74b7059b35

              SHA256

              6b69c38179d47b7ab4be2d8efcd86e3a9fb0607e7707d9f6a64ecc3160088862

              SHA512

              3320297f6d860481fd181c0a81d2bcdf9f09bd6e383c3b8ca4c957cb8a0f529e301d58a7de05cc4b5cd4e3e3172de5d5f34f1a5c6c203595290561711032276e

            • C:\Users\Admin\AppData\Local\Temp\owodeoo.exe

              Filesize

              590KB

              MD5

              166c87cc88364cf41e7ddffa24fd7334

              SHA1

              f6e80400b442fdac7bd6364da1dcb0ca18316946

              SHA256

              a3b7660f22f74be5bf44352284bce45dbd61ae08bb22e1c20aa75f177d017a52

              SHA512

              f4c658b9e53698c552152eb22ce2f2820ea455e3aec7426d705146d626189043b5287706983c40d8664c4737ad425ad065b09af26b37c20656f334bbaeb3c487

            • C:\Users\Admin\AppData\Local\Temp\owodeoo.exe

              Filesize

              590KB

              MD5

              166c87cc88364cf41e7ddffa24fd7334

              SHA1

              f6e80400b442fdac7bd6364da1dcb0ca18316946

              SHA256

              a3b7660f22f74be5bf44352284bce45dbd61ae08bb22e1c20aa75f177d017a52

              SHA512

              f4c658b9e53698c552152eb22ce2f2820ea455e3aec7426d705146d626189043b5287706983c40d8664c4737ad425ad065b09af26b37c20656f334bbaeb3c487

            • C:\Users\Admin\AppData\Local\Temp\owodeoo.exe

              Filesize

              590KB

              MD5

              166c87cc88364cf41e7ddffa24fd7334

              SHA1

              f6e80400b442fdac7bd6364da1dcb0ca18316946

              SHA256

              a3b7660f22f74be5bf44352284bce45dbd61ae08bb22e1c20aa75f177d017a52

              SHA512

              f4c658b9e53698c552152eb22ce2f2820ea455e3aec7426d705146d626189043b5287706983c40d8664c4737ad425ad065b09af26b37c20656f334bbaeb3c487

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

              Filesize

              1.2MB

              MD5

              728bcb795d2c5777577aa820cdfe9088

              SHA1

              81b0fa677aa8975b56f02abd9cce56bd912fde51

              SHA256

              25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02

              SHA512

              c5da28ae275715a35d43b60a1596247edd567248c04c4e17ea885a51a549fc87f82af25debaf828610f2fc143bcd9d22259744f1b346b752d9bf8081bc212d2a

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

              Filesize

              1.2MB

              MD5

              728bcb795d2c5777577aa820cdfe9088

              SHA1

              81b0fa677aa8975b56f02abd9cce56bd912fde51

              SHA256

              25f433acacb2543ed3dd61be818524088468451b96710ac9799200391f5d9f02

              SHA512

              c5da28ae275715a35d43b60a1596247edd567248c04c4e17ea885a51a549fc87f82af25debaf828610f2fc143bcd9d22259744f1b346b752d9bf8081bc212d2a

            • C:\Users\Admin\AppData\Roaming\pid.txt

              Filesize

              4B

              MD5

              147ebe637038ca50a1265abac8dea181

              SHA1

              f443d62e83292de51df8a218ecc1b23da4c93226

              SHA256

              65bba5fb79d7da91ae92183a56d4e2c1b326d04d4276c364de41f725ee779065

              SHA512

              25d7e16c6e49eaf90094d253acc37faed2725d30da075ca17aff04029c46cb8c5247808b996b10fe3991c3b28256a922e055103dd8468110f67a75388663835c

            • C:\Users\Admin\AppData\Roaming\pidloc.txt

              Filesize

              45B

              MD5

              20aa8ef06d6b5aa1901c5c00ce027b2e

              SHA1

              20a9c3e7a90e0bf314b3e45fa2703e74b7059b35

              SHA256

              6b69c38179d47b7ab4be2d8efcd86e3a9fb0607e7707d9f6a64ecc3160088862

              SHA512

              3320297f6d860481fd181c0a81d2bcdf9f09bd6e383c3b8ca4c957cb8a0f529e301d58a7de05cc4b5cd4e3e3172de5d5f34f1a5c6c203595290561711032276e

            • memory/360-163-0x0000000000000000-mapping.dmp

            • memory/1660-136-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/1660-153-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/1660-135-0x0000000000400000-0x000000000048C000-memory.dmp

              Filesize

              560KB

            • memory/1660-146-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/1660-134-0x0000000000000000-mapping.dmp

            • memory/2392-165-0x0000000000000000-mapping.dmp

            • memory/2392-167-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/2696-132-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/2696-133-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/2912-137-0x0000000000000000-mapping.dmp

            • memory/2912-147-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/2912-144-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/3544-148-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/3544-141-0x0000000000400000-0x000000000048C000-memory.dmp

              Filesize

              560KB

            • memory/3544-145-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/3544-140-0x0000000000000000-mapping.dmp

            • memory/3832-154-0x0000000000000000-mapping.dmp

            • memory/4292-155-0x0000000000000000-mapping.dmp

            • memory/4292-161-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/4292-162-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/4436-152-0x0000000074B20000-0x00000000750D1000-memory.dmp

              Filesize

              5.7MB

            • memory/4436-149-0x0000000000000000-mapping.dmp

            • memory/4692-168-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/4692-164-0x0000000000000000-mapping.dmp

            • memory/5076-166-0x0000000000000000-mapping.dmp