General

  • Target

    7b3d84cf9e2bb957cdf2bde4a694890dfa3b0ee28df8771f21da8fea5323eea4N.exe

  • Size

    2.9MB

  • Sample

    250116-fwl4vsvmap

  • MD5

    7a1a9085e0f549ec511d7d2663099c70

  • SHA1

    3b21d3dbc01758bd15fdaab3e3c51513436b6a46

  • SHA256

    7b3d84cf9e2bb957cdf2bde4a694890dfa3b0ee28df8771f21da8fea5323eea4

  • SHA512

    3f0561bcc0583d5b8d68f0666f5de1676e8dbaa817720519a25fa014cc46715ed6c3f2928b976c0e6ab0558939945e6478292a0936f5695d344f4ca58dd6c245

  • SSDEEP

    49152:RnsHyjtk2MYC5GDiYBnsHyjtk2MYC5GDTYdnsHyjtk2MYC5GD6Yx:Rnsmtk2a0Bnsmtk2andnsmtk2aox

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

      7b3d84cf9e2bb957cdf2bde4a694890dfa3b0ee28df8771f21da8fea5323eea4N.exe

    • Size

      2.9MB

    • MD5

      7a1a9085e0f549ec511d7d2663099c70

    • SHA1

      3b21d3dbc01758bd15fdaab3e3c51513436b6a46

    • SHA256

      7b3d84cf9e2bb957cdf2bde4a694890dfa3b0ee28df8771f21da8fea5323eea4

    • SHA512

      3f0561bcc0583d5b8d68f0666f5de1676e8dbaa817720519a25fa014cc46715ed6c3f2928b976c0e6ab0558939945e6478292a0936f5695d344f4ca58dd6c245

    • SSDEEP

      49152:RnsHyjtk2MYC5GDiYBnsHyjtk2MYC5GDTYdnsHyjtk2MYC5GD6Yx:Rnsmtk2a0Bnsmtk2andnsmtk2aox

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

MITRE ATT&CK Enterprise v15

Tasks