General

  • Target

    BootstrapperNew.exe

  • Size

    2.9MB

  • Sample

    250305-rd4fza1jy6

  • MD5

    ef689efcb854737c11aad79748d7894b

  • SHA1

    84a529fe86d37550aada5a25daade0039d805711

  • SHA256

    aa812c21aaeb5b48ec10a31947d93dbb230378996de199cf03cb4aad59de0b7d

  • SHA512

    8899c95d65b1c1b2280a0525502561a89d678ff5561890e513335d546e82d9a9e3aff25b740dd19649fb014ab7b948803484100d9a138bbc9b20d5a712e5fdde

  • SSDEEP

    49152:7WbFWXIrE4Rrf9LhnjDMdom7+lmtsLB64AkL5LOUwHtcUtT1:iUhgvq9vyLBJPBOPHtcg

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:43417

engine-greg.gl.at.ply.gg:43417

Mutex

azFwRrOTO782Luch

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain

Targets

    • Target

      BootstrapperNew.exe

    • Size

      2.9MB

    • MD5

      ef689efcb854737c11aad79748d7894b

    • SHA1

      84a529fe86d37550aada5a25daade0039d805711

    • SHA256

      aa812c21aaeb5b48ec10a31947d93dbb230378996de199cf03cb4aad59de0b7d

    • SHA512

      8899c95d65b1c1b2280a0525502561a89d678ff5561890e513335d546e82d9a9e3aff25b740dd19649fb014ab7b948803484100d9a138bbc9b20d5a712e5fdde

    • SSDEEP

      49152:7WbFWXIrE4Rrf9LhnjDMdom7+lmtsLB64AkL5LOUwHtcUtT1:iUhgvq9vyLBJPBOPHtcg

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks