Overview

overview

10

Static

static

10

antivirus.exe

windows10-2004-x64

10

Resubmissions

31/03/2024, 14:49

240331-r687xsec7710

29/03/2024, 09:29

240329-lf9swaeg8710

29/03/2024, 08:58

240329-kw8ebaed2610

29/03/2024, 08:57

240329-kwtadsed2210

29/03/2024, 08:49

240329-krew7sec3410

Sharing

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General

  • Target
    234.zip
  • Size 111KB
  • Sample240329-kw8ebaed26
  • SHA256 105563733da3a05eef4e63a8af883b600e071e5449c819f0780bec73d0c404bf
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosevasionransomwarespywarestealer

Malware Config

Targets

    • Target
      antivirus.exe
    • Size 144KB
    • SHA256 fbbaef754d6dafaaf32ae5e7937135fe81075806e5e2b0db1d6f9441a1cd8633
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    chaosevasionransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks