General

  • Target

    f7387b4786b8bea31862a530138090626a467b39a9c1e7e082d1a6fa7fa8ad52N.exe

  • Size

    3.5MB

  • Sample

    241126-gw92csykfv

  • MD5

    87e6c698376f457fbceef44ed48c5380

  • SHA1

    7293e881ca722da9e024f1053280514e56c86a37

  • SHA256

    f7387b4786b8bea31862a530138090626a467b39a9c1e7e082d1a6fa7fa8ad52

  • SHA512

    1980a37a795b93a2e10f86f990ea2b4ab583642903ef31b4c8c034d1f3b95a22492cf47beee3234a5e2c29438de76522c247455903a0718dbf16121d5cf035ee

  • SSDEEP

    98304:Lnsmtk2aNXzhW148Pd+Tf1mpcOldJQ3/VY:zL6FK4s0TfLOdo/6

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

      f7387b4786b8bea31862a530138090626a467b39a9c1e7e082d1a6fa7fa8ad52N.exe

    • Size

      3.5MB

    • MD5

      87e6c698376f457fbceef44ed48c5380

    • SHA1

      7293e881ca722da9e024f1053280514e56c86a37

    • SHA256

      f7387b4786b8bea31862a530138090626a467b39a9c1e7e082d1a6fa7fa8ad52

    • SHA512

      1980a37a795b93a2e10f86f990ea2b4ab583642903ef31b4c8c034d1f3b95a22492cf47beee3234a5e2c29438de76522c247455903a0718dbf16121d5cf035ee

    • SSDEEP

      98304:Lnsmtk2aNXzhW148Pd+Tf1mpcOldJQ3/VY:zL6FK4s0TfLOdo/6

    • 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 whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks