General

  • Target

    bookmark.json

  • Size

    1KB

  • Sample

    241012-zvbfhsvgpn

  • MD5

    31250fb90c32c3e1453c947715f7c711

  • SHA1

    01d35f9b915574dc7898c378baa0259600138658

  • SHA256

    007b4d5c9d30e5735d6e66276263ac160647f82ead368b1ac28e1d776b289948

  • SHA512

    ce85530a216ef82669a517cda743947538675beafbb0594f75057d072b203f093845562244035930fa83294ad7868114ce46a3e9706234ad4764c2f10e24f257

Malware Config

Extracted

Family

xworm

Version

5.0

C2

147.185.221.23:19182

Mutex

0tac3AbqQOn4BTfX

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

xworm

C2

147.185.221.23:19182

Attributes
  • install_file

    USB.exe

Targets

    • Target

      bookmark.json

    • Size

      1KB

    • MD5

      31250fb90c32c3e1453c947715f7c711

    • SHA1

      01d35f9b915574dc7898c378baa0259600138658

    • SHA256

      007b4d5c9d30e5735d6e66276263ac160647f82ead368b1ac28e1d776b289948

    • SHA512

      ce85530a216ef82669a517cda743947538675beafbb0594f75057d072b203f093845562244035930fa83294ad7868114ce46a3e9706234ad4764c2f10e24f257

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks