Overview

overview

10

Static

static

10

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    5.7MB

  • Sample

    250102-xvcmgasjay

  • MD5

    100620cd1016f9b7aed030b8eced2afd

  • SHA1

    f98f52d52fa58ea5d9b179d28422109958e1b3e2

  • SHA256

    457a62394c53eba3c5ef6d569230487c17aaabc837a4a9361670b1c2ee9f5c34

  • SHA512

    b092244989f027692ee5cc4475611469c8ead213dde075493a6f6a5d3b81371d428958617c58a6c16dbadf75cb878fe279c0140f1629a169392e5f14e6c0f08d

  • SSDEEP

    98304:znsmtk2ahd+T6Kn5kBqUMWirt49K9nWBp5doWp/IZviyJrw:LLQdxK3z49K9I5B0vJw

Score
10/10
xredxwormbackdoordiscoverypersistencerattrojan

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

Extracted

Family

xworm

Version

5.0

C2

45.141.26.134:7000

Mutex

CcojtGUool4u0Nw2

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

aes.plain

Targets

    • Target

      file.exe

    • Size

      5.7MB

    • MD5

      100620cd1016f9b7aed030b8eced2afd

    • SHA1

      f98f52d52fa58ea5d9b179d28422109958e1b3e2

    • SHA256

      457a62394c53eba3c5ef6d569230487c17aaabc837a4a9361670b1c2ee9f5c34

    • SHA512

      b092244989f027692ee5cc4475611469c8ead213dde075493a6f6a5d3b81371d428958617c58a6c16dbadf75cb878fe279c0140f1629a169392e5f14e6c0f08d

    • SSDEEP

      98304:znsmtk2ahd+T6Kn5kBqUMWirt49K9nWBp5doWp/IZviyJrw:LLQdxK3z49K9I5B0vJw

    Score
    10/10
    xredxwormbackdoordiscoverypersistencerattrojan

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks