Analysis

  • max time kernel
    1559s
  • max time network
    1561s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2024, 13:45

General

  • Target
    RebelCracked.exe
  • Size 57.8MB
  • Sample240829-q2dpsavbpe
  • SHA256 bb60a9d9e8754a155b17a47791384acc43977b734b2eeb02e0e8cab61c52d01a
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
    "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\RuntimeBroker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Windows\System32\RuntimeBroker.exe
      "C:\Windows\System32\RuntimeBroker.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\System32\RuntimeBroker.exe
        "C:\Windows\System32\RuntimeBroker.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2920
    • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
      "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
      2⤵
        PID:3064

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          api-ms-win-core-file-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\api-ms-win-core-file-l1-2-0.dll
          • Size 21KB
          • SHA256 fa18d63a117153e2ace5400ed89b0806e96f0627d9db935906be9294a3038118
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-file-l2-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\api-ms-win-core-file-l2-1-0.dll
          • Size 18KB
          • SHA256 1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-localization-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\api-ms-win-core-localization-l1-2-0.dll
          • Size 21KB
          • SHA256 d045a72c3e4d21165e9372f76b44ff116446c1e0c221d9cea3ab0a1134a310e8
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-processthreads-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\api-ms-win-core-processthreads-l1-1-1.dll
          • Size 21KB
          • SHA256 a79c7f86462d8ab8a7b73a3f9e469514f57f9fe456326be3727352b092b6b14a
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-timezone-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\api-ms-win-core-timezone-l1-1-0.dll
          • Size 21KB
          • SHA256 5ab003e899270b04abc7f67be953eaccf980d5bbe80904c47f9aaf5d401bb044
          • MD5 SHA1 SHA512 SSDEEP

          python311.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\python311.dll
          • Size 1.6MB
          • SHA256 2f48c4d1ad846f7617e886cbdc88154d17464be0eabc5fa9db81cead0d157056
          • MD5 SHA1 SHA512 SSDEEP

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI28842\ucrtbase.dll
          • Size 992KB
          • SHA256 8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
          • MD5 SHA1 SHA512 SSDEEP

          memory/2372-0-0x000007FEF5563000-0x000007FEF5564000-memory.dmp

          memory/2372-1-0x0000000000D50000-0x0000000004726000-memory.dmp

          memory/2372-809-0x000007FEF5563000-0x000007FEF5564000-memory.dmp

          memory/2756-8-0x0000000002860000-0x0000000002868000-memory.dmp

          memory/2756-7-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

          memory/2756-6-0x0000000002A40000-0x0000000002AC0000-memory.dmp

          memory/2920-806-0x000007FEF1CC0000-0x000007FEF22A9000-memory.dmp