Overview

overview

10

Static

static

10

b35c08c5a8...db.exe

windows7-x64

10

b35c08c5a8...db.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe

  • Size

    759KB

  • Sample

    250117-epycwasmbk

  • MD5

    a72c9d1c461e2a339901007de52a99f0

  • SHA1

    9e24d477162dd7249b0b3fd52aad09f7e30e1ef3

  • SHA256

    b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb

  • SHA512

    3388cbfeab2aae4f7e86dde9389594088e95745246e65079dc490717690e3e51ee45db6d4e884b5a1e3efa370d0ffd9883447e031cbceff081d9c7115f66e19e

  • SSDEEP

    12288:SMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9YbB:SnsJ39LyjbJkQFMhmC+6GD90

Score
10/10
xredbackdoordiscoverypersistence

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

Targets

    • Target

      b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb.exe

    • Size

      759KB

    • MD5

      a72c9d1c461e2a339901007de52a99f0

    • SHA1

      9e24d477162dd7249b0b3fd52aad09f7e30e1ef3

    • SHA256

      b35c08c5a87c855b7d8d681c7c169c9e7486010d758fe1e6ad2937766aed7fdb

    • SHA512

      3388cbfeab2aae4f7e86dde9389594088e95745246e65079dc490717690e3e51ee45db6d4e884b5a1e3efa370d0ffd9883447e031cbceff081d9c7115f66e19e

    • SSDEEP

      12288:SMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9YbB:SnsJ39LyjbJkQFMhmC+6GD90

    Score
    10/10
    xredbackdoordiscoverypersistence

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • 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