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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31/07/2024, 07:42

General

  • Target

    b1470505ff1ab8e3f78abe63e49b74a63d9bfc2c412091a355749508c405eebd.exe

  • Size

    267KB

  • MD5

    89ef6c63f32f21d045023dc226a15540

  • SHA1

    fda06ef5c23e4cf114764c4b825a7c6540d5591e

  • SHA256

    b1470505ff1ab8e3f78abe63e49b74a63d9bfc2c412091a355749508c405eebd

  • SHA512

    a22ebd8d07d7dabe8550cc3f4eab4c47c3400eec0f96db3673b6bbb3abeb477ad2f0e9760d0940c6d0f69e65b849f21d81d66977fdf793b1705156f27f9cff18

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sa:WFzDqa86hV6uRRqX1evPlwAEa

Malware Config

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Contains code to disable Windows Defender 5 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 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 behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1470505ff1ab8e3f78abe63e49b74a63d9bfc2c412091a355749508c405eebd.exe
    "C:\Users\Admin\AppData\Local\Temp\b1470505ff1ab8e3f78abe63e49b74a63d9bfc2c412091a355749508c405eebd.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
      "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:2744
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
            PID:2232
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:692
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
                PID:2800
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                PID:2772
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2256
          • C:\Windows\system32\wbem\WmiApSrv.exe
            C:\Windows\system32\wbem\WmiApSrv.exe
            1⤵
              PID:2008

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat

              Filesize

              213B

              MD5

              0955cb4b691d44b37f8b6fad48a33b8e

              SHA1

              9dae759ae014cc124ab6eed7c8035788c124ae4a

              SHA256

              9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71

              SHA512

              08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235

            • \Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe

              Filesize

              267KB

              MD5

              d98c6c64b26a84ec84be71b02bd88b85

              SHA1

              c9727d043215572f1fad97ddc7233ee3d212f733

              SHA256

              5fc9a5f066809a05ac25c8ea17425c9a31d488c3ee2e05d8b290d27d803558d9

              SHA512

              9176d3fb99d107cbb8ae299b16d3cdab9ffc07ffcc5ff1155a43baf16016acc762225f7106f20dbd94be83d65441e7ee2ce1ff9be01d4d0007baa2b04d2032d3

            • memory/1904-37-0x0000000074C60000-0x000000007534E000-memory.dmp

              Filesize

              6.9MB

            • memory/1904-23-0x0000000074C60000-0x000000007534E000-memory.dmp

              Filesize

              6.9MB

            • memory/1904-21-0x0000000000E50000-0x0000000000E96000-memory.dmp

              Filesize

              280KB

            • memory/1976-24-0x0000000074C60000-0x000000007534E000-memory.dmp

              Filesize

              6.9MB

            • memory/1976-3-0x0000000074C60000-0x000000007534E000-memory.dmp

              Filesize

              6.9MB

            • memory/1976-2-0x0000000000480000-0x000000000048A000-memory.dmp

              Filesize

              40KB

            • memory/1976-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

              Filesize

              4KB

            • memory/1976-1-0x0000000001020000-0x0000000001066000-memory.dmp

              Filesize

              280KB

            • memory/2772-36-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-35-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-34-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-31-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-29-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-27-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-25-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2772-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB