Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 03:58

General

  • Target
    zhuzhu.exe
  • Size 5.8MB
  • Sample241230-ejg4psxmhv
  • SHA256 ee4c8a187e1e1bd62abe49faece1f327dc7718c736dd1e427c025d73fa796cf8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xred

C2
  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\zhuzhu.exe
    "C:\Users\Admin\AppData\Local\Temp\zhuzhu.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Users\Admin\AppData\Local\Temp\._cache_zhuzhu.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_zhuzhu.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Users\Admin\AppData\Roaming\._cache_zhuzhu.exe
        "C:\Users\Admin\AppData\Roaming\._cache_zhuzhu.exe"
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4172
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C powershell -Command "Set-ExecutionPolicy Unrestricted -Scope CurrentUser"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1948
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command "Set-ExecutionPolicy Unrestricted -Scope CurrentUser"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:60
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C powershell -ExecutionPolicy Bypass -File C:\Users\Admin\AppData\Local\updated.ps1
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2712
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ExecutionPolicy Bypass -File C:\Users\Admin\AppData\Local\updated.ps1
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1824
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2036
  • C:\Users\Admin\Downloads\inst.exe
    C:\Users\Admin\Downloads\inst.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:3368
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2280

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 5.8MB
        • SHA256 ee4c8a187e1e1bd62abe49faece1f327dc7718c736dd1e427c025d73fa796cf8
        • MD5 SHA1 SHA512 SSDEEP

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 80d19c23e407ccffe9f5b43087c752b2157294a1e42d887705b9924ceb9e6af9
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 20KB
        • SHA256 a7566cfe7a2da378668b96a91f4ea5edda70711adf95b9bc5dfa5646592870f5
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_zhuzhu.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_zhuzhu.exe
        • Size 5.0MB
        • SHA256 d6a84954e038ddf4a0026705e0942fc003cfdc04e58f658a6bd9e89c37c57d18
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_dklygtck.rmt.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dklygtck.rmt.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tHzDucyx.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\tHzDucyx.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        sites.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{A44B7723-4283-41b8-B9C0-6B1983C61382}.tmp\sites.dll
        • Size 1.4MB
        • SHA256 c1eb83993c85e01ee6ae84eb6e05744ff8c3ccc02c41d09c22286e3012ef46fc
        • MD5 SHA1 SHA512 SSDEEP

        360P2SP.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{AB531F15-34E0-41b9-A8A4-6EC26D799854}.tmp\360P2SP.dll
        • Size 688KB
        • SHA256 0eca2e140f973b2011c633d4d92e512a1f77e1da610cfe0f4538c0b451270016
        • MD5 SHA1 SHA512 SSDEEP

        updated.ps1

        • Path C:\Users\Admin\AppData\Local\updated.ps1
        • Size 151B
        • SHA256 fc47e1fa89397c3139d9047dc667531a9153a339f8e29ac713e518d51a995897
        • MD5 SHA1 SHA512

        inst.exe

        • Path C:\Users\Admin\Downloads\inst.exe
        • Size 3.9MB
        • SHA256 b35314c2c3b1aab777d621c6fd8516a877b27efbde4dd4addd6843c411e96aa3
        • MD5 SHA1 SHA512 SSDEEP

        memory/60-375-0x0000000007260000-0x000000000726A000-memory.dmp

        memory/60-341-0x0000000005940000-0x0000000005C94000-memory.dmp

        memory/60-383-0x00000000073F0000-0x0000000007401000-memory.dmp

        memory/60-372-0x0000000006480000-0x000000000649E000-memory.dmp

        memory/60-373-0x00000000070A0000-0x0000000007143000-memory.dmp

        memory/60-323-0x0000000004FD0000-0x00000000055F8000-memory.dmp

        memory/60-361-0x0000000006E50000-0x0000000006E82000-memory.dmp

        memory/60-362-0x0000000072210000-0x000000007225C000-memory.dmp

        memory/796-0-0x0000000002840000-0x0000000002841000-memory.dmp

        memory/796-129-0x0000000000400000-0x00000000009CE000-memory.dmp

        memory/1824-358-0x0000000006E30000-0x0000000006E4A000-memory.dmp

        memory/1824-324-0x0000000005B50000-0x0000000005B72000-memory.dmp

        memory/1824-354-0x0000000006950000-0x000000000699C000-memory.dmp

        memory/1824-353-0x0000000006910000-0x000000000692E000-memory.dmp

        memory/1824-388-0x000000006DC60000-0x000000006DFB4000-memory.dmp

        memory/1824-325-0x00000000062A0000-0x0000000006306000-memory.dmp

        memory/1824-374-0x0000000008B80000-0x00000000091FA000-memory.dmp

        memory/1824-322-0x0000000003000000-0x0000000003036000-memory.dmp

        memory/1824-359-0x0000000006EA0000-0x0000000006EC2000-memory.dmp

        memory/1824-387-0x0000000072210000-0x000000007225C000-memory.dmp

        memory/1824-357-0x0000000007900000-0x0000000007996000-memory.dmp

        memory/1824-360-0x0000000007F50000-0x00000000084F4000-memory.dmp

        memory/1824-326-0x0000000006310000-0x0000000006376000-memory.dmp

        memory/2036-379-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/2280-376-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

        memory/2280-386-0x00007FFD2AF10000-0x00007FFD2AF20000-memory.dmp

        memory/2280-378-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

        memory/2280-382-0x00007FFD2AF10000-0x00007FFD2AF20000-memory.dmp

        memory/2280-380-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

        memory/2280-381-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

        memory/2280-377-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

        memory/2532-190-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/2532-69-0x00000000026C0000-0x00000000026C1000-memory.dmp

        memory/2532-252-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/2532-314-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/2532-315-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/2532-189-0x0000000002BC0000-0x0000000002BDE000-memory.dmp

        memory/2532-70-0x0000000002B90000-0x0000000002B91000-memory.dmp

        memory/2836-356-0x0000000000400000-0x00000000009CE000-memory.dmp

        memory/2836-425-0x0000000000400000-0x00000000009CE000-memory.dmp

        memory/2836-472-0x0000000000400000-0x00000000009CE000-memory.dmp

        memory/4172-421-0x0000000003850000-0x0000000003888000-memory.dmp

        memory/4172-401-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-352-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-316-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/4172-417-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-418-0x0000000003850000-0x0000000003888000-memory.dmp

        memory/4172-419-0x0000000003850000-0x0000000003888000-memory.dmp

        memory/4172-420-0x0000000003850000-0x0000000003888000-memory.dmp

        memory/4172-399-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-423-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-422-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-346-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-430-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-433-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-436-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/4172-439-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-442-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-446-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-451-0x0000000000400000-0x0000000000919000-memory.dmp

        memory/4172-398-0x0000000003100000-0x0000000003124000-memory.dmp

        memory/4172-474-0x0000000000400000-0x0000000000919000-memory.dmp