General

  • Target

    9225250369.zip

  • Size

    131KB

  • Sample

    230221-n2jjxsge8s

  • MD5

    7c68b6a3494c0f2d1197d8bb5d787494

  • SHA1

    15292934b45b68f367e3a868fb71a7fa2d8a77b9

  • SHA256

    2d98dd0d3b2a13e5143bdb5ba552fe6e57d624277016cff98a9becb45ad880f0

  • SHA512

    5179a0ad151fe788236a24a5ae17573105a04af45fdab094b244b2873138f555e39419d1d125824f2b57eb8b08e1e1b91ad1e5110813bafb2988736df784eac7

  • SSDEEP

    3072:2qeJBdwyzz6YYTlrSeWVFyJ4e89++aCGDAbwXpb//i:XmCg5ml2nFyJ4ek++alDAbSb//i

Malware Config

Targets

    • Target

      1c7853d1b2fe491c0176a205cde3530d35fc933a3e55ae8e68a595dfc127b7b6

    • Size

      238KB

    • MD5

      70614578f63f24345f7794d5e022b986

    • SHA1

      e0e2ae538c23c5709d9d81b0280d2f7337e6f87d

    • SHA256

      1c7853d1b2fe491c0176a205cde3530d35fc933a3e55ae8e68a595dfc127b7b6

    • SHA512

      cdf0bd590eca7e46a11a6c21bac375e57b9b865e42b99e3445404b71623f9719ace0d881a12f1064b1355d5aec41926910cb9cf3644b24ea3aedb5d32b00d82f

    • SSDEEP

      3072:sr85CDvxwgHX+MB7+4TFs/ahEFA02I4T8uUQ1jSqcOj/UxNyN5c:k9DvygDBa4yFTprO1Tc0cY+

    • Detect Neshta payload

    • Detected Xorist Ransomware

    • Modifies system executable filetype association

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Xorist Ransomware

      Xorist is a ransomware first seen in 2020.

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

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

    • Drops startup 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks