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Overview

overview

10

Static

static

10

ss.exe

windows7-x64

10

ss.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ss.exe

  • Size

    781KB

  • Sample

    250123-m8ry7sxpaz

  • MD5

    db963be3da76477d6a2519058b0720b9

  • SHA1

    c37133191e3774b2f126fb0510cc6f6562187b89

  • SHA256

    a77d63173a959c000b70f52a1b16fa9cac138f543c552eb8a3a2c8180dfa70a2

  • SHA512

    c87c525ad6fa4ca7527468cc41243accc627f1cc5938b72e056ee750a0acd651c94c3ec5150cfa55cbe7f1184667e3d1bc4f6a90282e2471791b93ff8f5c1193

  • SSDEEP

    12288:iMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9J6Rs:insJ39LyjbJkQFMhmC+6GD9v

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

95.169.204.123:7000

Mutex

Utzssywu3O0wBxAi

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      ss.exe

    • Size

      781KB

    • MD5

      db963be3da76477d6a2519058b0720b9

    • SHA1

      c37133191e3774b2f126fb0510cc6f6562187b89

    • SHA256

      a77d63173a959c000b70f52a1b16fa9cac138f543c552eb8a3a2c8180dfa70a2

    • SHA512

      c87c525ad6fa4ca7527468cc41243accc627f1cc5938b72e056ee750a0acd651c94c3ec5150cfa55cbe7f1184667e3d1bc4f6a90282e2471791b93ff8f5c1193

    • SSDEEP

      12288:iMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9J6Rs:insJ39LyjbJkQFMhmC+6GD9v

    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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks