Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 21:51

General

  • Target

    371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5.exe

  • Size

    998KB

  • MD5

    f6285298e09929244eb9721e78f1369a

  • SHA1

    0bd100e7a55810b3d9dbd2c302c246c867d20852

  • SHA256

    371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5

  • SHA512

    8139a473deda14e651566f03868c2bd5c760994e749982ae9ad16576040d4098f3985d7979cbc306e91d8c628434ab96337c3f4d11658b58cef6d73a77a5e7fa

  • SSDEEP

    12288:fMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9VXKFUoanL:fnsJ39LyjbJkQFMhmC+6GD96yL

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

  • Njrat family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5.exe
    "C:\Users\Admin\AppData\Local\Temp\371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5.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:3800
    • C:\Users\Admin\AppData\Local\Temp\._cache_371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1748
    • 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:1332
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2308
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          "C:\Users\Admin\AppData\Local\Temp\server.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4468
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2036
  • 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:3936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    998KB

    MD5

    f6285298e09929244eb9721e78f1369a

    SHA1

    0bd100e7a55810b3d9dbd2c302c246c867d20852

    SHA256

    371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5

    SHA512

    8139a473deda14e651566f03868c2bd5c760994e749982ae9ad16576040d4098f3985d7979cbc306e91d8c628434ab96337c3f4d11658b58cef6d73a77a5e7fa

  • C:\Users\Admin\AppData\Local\Temp\._cache_371ce0cf99ba5e835f5caebb1dba9c42aad2572af10a461217c4797651ec34d5.exe

    Filesize

    244KB

    MD5

    0ae9347f02737113842f37809172da96

    SHA1

    242a20e1ffdf9fef0b5682cd2bb6738fe8097600

    SHA256

    7de73d47d9a917d4ebf25264af7144794f69c2046fa2412f4af1f93eb71be032

    SHA512

    78cc2b7372c5a5c21d9759311772e1b4e82627da278ee9d2d759d2ecceaf9db09ec20bff3f998b3966b6533d860d0c3828581d169ec163fa6bf941955afa9690

  • C:\Users\Admin\AppData\Local\Temp\13875E00

    Filesize

    23KB

    MD5

    4285fcba861f9bd887b989b0ee688038

    SHA1

    6785b1cb775b571455b0fb8ca52ea310b27dbfd2

    SHA256

    dff78339ec76d1ffdb78291852a77eec2d2be4b489c0c59435b2508838bc0c19

    SHA512

    a1d8474dca425b2c1d115d6a6280bde0a378bc0bd6f2a70f7a25c3441657cfeefafe0191be24149cf1c502e0c301e2041795e0cf208b3ce2f2e5f3e03118c88b

  • C:\Users\Admin\AppData\Local\Temp\rYx4kamz.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1332-249-0x0000000000400000-0x00000000004FF000-memory.dmp

    Filesize

    1020KB

  • memory/1332-134-0x0000000002050000-0x0000000002051000-memory.dmp

    Filesize

    4KB

  • memory/1332-301-0x0000000000400000-0x00000000004FF000-memory.dmp

    Filesize

    1020KB

  • memory/1332-278-0x0000000000400000-0x00000000004FF000-memory.dmp

    Filesize

    1020KB

  • memory/1332-250-0x0000000002050000-0x0000000002051000-memory.dmp

    Filesize

    4KB

  • memory/1748-130-0x0000000072D80000-0x0000000073331000-memory.dmp

    Filesize

    5.7MB

  • memory/1748-133-0x0000000072D80000-0x0000000073331000-memory.dmp

    Filesize

    5.7MB

  • memory/1748-275-0x0000000072D80000-0x0000000073331000-memory.dmp

    Filesize

    5.7MB

  • memory/1748-244-0x0000000072D82000-0x0000000072D83000-memory.dmp

    Filesize

    4KB

  • memory/1748-245-0x0000000072D80000-0x0000000073331000-memory.dmp

    Filesize

    5.7MB

  • memory/1748-118-0x0000000072D82000-0x0000000072D83000-memory.dmp

    Filesize

    4KB

  • memory/3800-0-0x00000000022A0000-0x00000000022A1000-memory.dmp

    Filesize

    4KB

  • memory/3800-128-0x0000000000400000-0x00000000004FF000-memory.dmp

    Filesize

    1020KB

  • memory/3936-199-0x00007FFF23D30000-0x00007FFF23D40000-memory.dmp

    Filesize

    64KB

  • memory/3936-198-0x00007FFF23D30000-0x00007FFF23D40000-memory.dmp

    Filesize

    64KB

  • memory/3936-193-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-197-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-270-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-271-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-273-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-272-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-196-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-194-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB

  • memory/3936-195-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

    Filesize

    64KB