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General

  • Target

    RUN ME FIRST.exe

  • Size

    30.2MB

  • Sample

    240423-y3fjrsbe77

  • MD5

    1a1d3ccdb446065c89c44b67105a48c1

  • SHA1

    6a045b2be0a524d2e46e1a158fa9f5768d539470

  • SHA256

    76be196c4deabfcb66820dbc30df22421bd2940a68993272eea691cad86092fc

  • SHA512

    83b47897b5a958ba3d915caf631c1971445fcdb38b1fc344867126ffb2b94068ed447a280a7d330b3b2cd7a7d82171f5abce29bb36a11f7f9f371e20eb02ddb2

  • SSDEEP

    786432:TZ/Z/rp+Ty2SfUfnbu+zMFy/7zYgWXRLTArzttOaaFH:1Rzp+Ty2SfWnPzMFO7zYgWBLbFH

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

      RUN ME FIRST.exe

    • Size

      30.2MB

    • MD5

      1a1d3ccdb446065c89c44b67105a48c1

    • SHA1

      6a045b2be0a524d2e46e1a158fa9f5768d539470

    • SHA256

      76be196c4deabfcb66820dbc30df22421bd2940a68993272eea691cad86092fc

    • SHA512

      83b47897b5a958ba3d915caf631c1971445fcdb38b1fc344867126ffb2b94068ed447a280a7d330b3b2cd7a7d82171f5abce29bb36a11f7f9f371e20eb02ddb2

    • SSDEEP

      786432:TZ/Z/rp+Ty2SfUfnbu+zMFy/7zYgWXRLTArzttOaaFH:1Rzp+Ty2SfWnPzMFO7zYgWBLbFH

    • Modifies visiblity of hidden/system files in Explorer

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks