Overview

overview

9

Static

static

3

SystemUpdate.exe

windows10-2004-x64

9

SystemUpdate.exe

windows11-ltsc_2024-x64

1

Sharing

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General

  • Target
    SystemUpdate.exe
  • Size 19.7MB
  • Sample260910-sfyh6sde32
  • SHA256 baf7824e3b2019a20c863be12b0ac4276b1085eefa51650671293fc76d25d436
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
persistenceprivilege_escalationpyinstallerransomwarespywarestealer

Malware Config

Targets

    • Target
      SystemUpdate.exe
    • Size 19.7MB
    • SHA256 baf7824e3b2019a20c863be12b0ac4276b1085eefa51650671293fc76d25d436
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    persistenceprivilege_escalationransomwarespywarestealer

    • Renames multiple (1072) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks