Overview

overview

10

Static

static

3

UNBANSEVER.exe

windows10-ltsc 2021-x64

10

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General

  • Target

    UNBANSEVER.exe

  • Size

    1.5MB

  • Sample

    241124-ej9hysyqgk

  • MD5

    b086631c257c5dc8eba94d46245385f7

  • SHA1

    a6384ec1428329b3eab89e44ac79d23042984821

  • SHA256

    9deda7281dac54a2b7900300b1633a01da0dd33221f8c4a03c1691e871336483

  • SHA512

    f9b3df84bf5db8318795961341141d75b88dd8ca5dadf2214807c98ab7ff98760334e7073c2c38bd28159730d6f7d12a185245558de973a9a72397b25a3ef542

  • SSDEEP

    24576:Ob4Ff/RLTbkY25ayxZ2i/UcgOpu+hcA+sbaNRBjv8oaa:W4Ff/RLTArbf2i7gwuqcA+sbkvhb

Score
10/10
xredxwormbackdoordiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

45.141.27.248:7777

45.141.26.194:7000
Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

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

Targets

    • Target

      UNBANSEVER.exe

    • Size

      1.5MB

    • MD5

      b086631c257c5dc8eba94d46245385f7

    • SHA1

      a6384ec1428329b3eab89e44ac79d23042984821

    • SHA256

      9deda7281dac54a2b7900300b1633a01da0dd33221f8c4a03c1691e871336483

    • SHA512

      f9b3df84bf5db8318795961341141d75b88dd8ca5dadf2214807c98ab7ff98760334e7073c2c38bd28159730d6f7d12a185245558de973a9a72397b25a3ef542

    • SSDEEP

      24576:Ob4Ff/RLTbkY25ayxZ2i/UcgOpu+hcA+sbaNRBjv8oaa:W4Ff/RLTArbf2i7gwuqcA+sbkvhb

    Score
    10/10
    xredxwormbackdoordiscoveryexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks