Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 15:42

General

  • Target
    a6506a40d522a744be02abe57dd40864_JaffaCakes118.exe
  • Size 661KB
  • Sample240613-s5tlhsvdnc
  • SHA256 0b9ae5b5e11e103e80c80e90d2aa3105accf8babbc1525a39def89105bc4092d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xtremerat

C2
  • oudy.no-ip.biz

Signatures

  • Detect XtremeRAT payload 6 IoCs
  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Adds policy Run key to start application 2 TTPs 8 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6506a40d522a744be02abe57dd40864_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a6506a40d522a744be02abe57dd40864_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      PID:3488
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:1956
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        2⤵
          PID:4108
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:208
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5248 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4060

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              HACKO.exe

              • Path C:\Windows\WIN 7\HACKO.exe
              • Size 661KB
              • SHA256 0b9ae5b5e11e103e80c80e90d2aa3105accf8babbc1525a39def89105bc4092d
              • MD5 SHA1 SHA512 SSDEEP

              memory/208-9-0x0000000000C80000-0x0000000000D2D000-memory.dmp

              memory/208-13-0x0000000000C80000-0x0000000000D2D000-memory.dmp

              memory/3108-2-0x0000000000C80000-0x0000000000D2D000-memory.dmp

              memory/3108-14-0x0000000000C80000-0x0000000000D2D000-memory.dmp

              memory/3488-7-0x0000000000C80000-0x0000000000D2D000-memory.dmp