Analysis

  • max time kernel
    11s
  • max time network
    16s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    07-11-2024 01:47

General

  • Target

    ratt.exe

  • Size

    753KB

  • MD5

    b753207b14c635f29b2abf64f603570a

  • SHA1

    8a40e828224f22361b09494a556a20db82fc97b9

  • SHA256

    7f16106f3354a65fc749737905b77df7bbefa28bf8bbc966dc1f8c53fa4660f2

  • SHA512

    0dd32803b95d53badd33c0c84df1002451090ff5f74736680e3a53a0bfc0e723eee7d795626bc10a1fb431de7e6e276c5a66349ef385a8b92b48425b0bdd036f

  • SSDEEP

    12288:aMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9IFr:ansJ39LyjbJkQFMhmC+6GD92

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 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 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ratt.exe
    "C:\Users\Admin\AppData\Local\Temp\ratt.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:2360
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4100
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
      PID:3716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      753KB

      MD5

      b753207b14c635f29b2abf64f603570a

      SHA1

      8a40e828224f22361b09494a556a20db82fc97b9

      SHA256

      7f16106f3354a65fc749737905b77df7bbefa28bf8bbc966dc1f8c53fa4660f2

      SHA512

      0dd32803b95d53badd33c0c84df1002451090ff5f74736680e3a53a0bfc0e723eee7d795626bc10a1fb431de7e6e276c5a66349ef385a8b92b48425b0bdd036f

    • C:\Users\Admin\AppData\Local\Temp\9IDF7Uys.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • memory/2360-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

      Filesize

      4KB

    • memory/2360-2-0x0000000000400000-0x00000000004C2000-memory.dmp

      Filesize

      776KB

    • memory/3716-14-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-11-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-7-0x00007FFBD87F0000-0x00007FFBD8800000-memory.dmp

      Filesize

      64KB

    • memory/3716-5-0x00007FFC1880D000-0x00007FFC1880E000-memory.dmp

      Filesize

      4KB

    • memory/3716-9-0x00007FFBD87F0000-0x00007FFBD8800000-memory.dmp

      Filesize

      64KB

    • memory/3716-8-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-10-0x00007FFBD87F0000-0x00007FFBD8800000-memory.dmp

      Filesize

      64KB

    • memory/3716-13-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-16-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-15-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-4-0x00007FFBD87F0000-0x00007FFBD8800000-memory.dmp

      Filesize

      64KB

    • memory/3716-17-0x00007FFBD62F0000-0x00007FFBD6300000-memory.dmp

      Filesize

      64KB

    • memory/3716-12-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-6-0x00007FFBD87F0000-0x00007FFBD8800000-memory.dmp

      Filesize

      64KB

    • memory/3716-20-0x00007FFBD62F0000-0x00007FFBD6300000-memory.dmp

      Filesize

      64KB

    • memory/3716-21-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-22-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-23-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-18-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-27-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-26-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-25-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/3716-24-0x00007FFC18770000-0x00007FFC18968000-memory.dmp

      Filesize

      2.0MB

    • memory/4100-19-0x0000000000400000-0x00000000004C2000-memory.dmp

      Filesize

      776KB

    • memory/4100-3-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB