Analysis

  • max time kernel
    133s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 15:22

General

  • Target
    2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
  • Size 325KB
  • Sample240508-sr4vbsah2x
  • SHA256 0f4e7faf833c30ed300efa46b4b1d083523d48ec2864f110d2a2d5b47eb67a72
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xpertrat

Version
  • 3.0.10

Botnet
  • Group

C2
  • 46.183.220.104:10101

Mutex
  • K8P3I007-I4G2-R2U0-V0G8-T1Q3K5W771L5

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core payload 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
        3⤵
          PID:2564
      • C:\Users\Admin\AppData\Roaming\tmp.exe
        "C:\Users\Admin\AppData\Roaming\tmp.exe"
        2⤵
        • UAC bypass
        • Windows security bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2568
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Roaming\tmp.exe
          3⤵
            PID:2496
        • C:\Users\Admin\AppData\Local\Temp\svhost.exe
          "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
          2⤵
          • UAC bypass
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Checks whether UAC is enabled
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2936
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            C:\Users\Admin\AppData\Local\Temp\svhost.exe
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2384
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1724
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 300
            3⤵
            • Delays execution with timeout.exe
            PID:2504

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            svhost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
            • Size 1.6MB
            • SHA256 9250b89157770e3ab59a2c7e2dd6b12b3c61d9b7c6620c3b4727e4bfff10f01f
            • MD5 SHA1 SHA512 SSDEEP

            name.exe

            • Path C:\Users\Admin\AppData\Roaming\FolderN\name.exe
            • Size 325KB
            • SHA256 0f4e7faf833c30ed300efa46b4b1d083523d48ec2864f110d2a2d5b47eb67a72
            • MD5 SHA1 SHA512 SSDEEP

            name.exe.bat

            • Path C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
            • Size 189B
            • SHA256 413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743
            • MD5 SHA1 SHA512

            svhost.exe

            • Path \Users\Admin\AppData\Local\Temp\svhost.exe
            • Size 448KB
            • SHA256 a221e9aa2edf42cbd95a7d1aefa30e0d73d2c7ba0cff93c3b53db9e364334fef
            • MD5 SHA1 SHA512 SSDEEP

            tmp.exe

            • Path \Users\Admin\AppData\Roaming\tmp.exe
            • Size 172KB
            • SHA256 4c4b3ad8895c8ea779e3e359b8f3610f061d4d865170e32b7af648ff0268e2b8
            • MD5 SHA1 SHA512 SSDEEP

            memory/2264-2-0x0000000074330000-0x00000000748DB000-memory.dmp

            memory/2264-0-0x0000000074331000-0x0000000074332000-memory.dmp

            memory/2264-1-0x0000000074330000-0x00000000748DB000-memory.dmp

            memory/2264-50-0x0000000074330000-0x00000000748DB000-memory.dmp

            memory/2384-44-0x0000000000400000-0x0000000000443000-memory.dmp

            memory/2936-20-0x0000000000400000-0x000000000042C000-memory.dmp

            memory/2936-26-0x0000000000400000-0x000000000042C000-memory.dmp

            memory/2936-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            memory/2936-23-0x0000000000400000-0x000000000042C000-memory.dmp

            memory/2936-22-0x0000000000400000-0x000000000042C000-memory.dmp