Overview

overview

10

Static

static

10

ran.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    ran.exe

  • Size

    39KB

  • Sample

    240303-mwy7rahd6w

  • MD5

    9eaf0736764c5fcadbd874d2f29c2acd

  • SHA1

    08d1c4f01a66fafa745ff4c9a6173fa29a70e534

  • SHA256

    f391148b74d405f3d0416d3e1040319acee5d9ed90c933c255a3bff6f00de730

  • SHA512

    6ef5c51940983ecc51a64c1106d85c5c0e041289d8be867007e41cfb172e2e5df40ebe1887727f1f362454848ea3a116159949c1ee791ca4bb23cc495ad7a323

  • SSDEEP

    768:v7zxAm+lw870veu1Uho9xLlZPSX8CeShvvlZ82T:vNIove6Uq9xL76jeSBlO2

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      ran.exe

    • Size

      39KB

    • MD5

      9eaf0736764c5fcadbd874d2f29c2acd

    • SHA1

      08d1c4f01a66fafa745ff4c9a6173fa29a70e534

    • SHA256

      f391148b74d405f3d0416d3e1040319acee5d9ed90c933c255a3bff6f00de730

    • SHA512

      6ef5c51940983ecc51a64c1106d85c5c0e041289d8be867007e41cfb172e2e5df40ebe1887727f1f362454848ea3a116159949c1ee791ca4bb23cc495ad7a323

    • SSDEEP

      768:v7zxAm+lw870veu1Uho9xLlZPSX8CeShvvlZ82T:vNIove6Uq9xL76jeSBlO2

    Score
    10/10
    chaosevasionpersistenceransomwarespywarestealer

    • 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

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks