Overview

overview

10

Static

static

10

6ef2e1dcc9...98.exe

windows7-x64

10

6ef2e1dcc9...98.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9db424c6cad9c48c559c45c5c410ebe1.bin

  • Size

    1.3MB

  • Sample

    241108-bx637svlbn

  • MD5

    e15c7c5f19fa0303059d89b532ed215f

  • SHA1

    7163129501c7cfe36eab4c125d202358117ce9c7

  • SHA256

    223d939f448915926a784a78cd6c306bcd46c84c139fdc3b6ec2e618d4397967

  • SHA512

    617d7e804525d618c719283ddd9ba0ce0bb7a37ff4b3d46edcc9d7484aead90fcccb78b8fcf8bfcd22a29ea6856fbc19b0275602a27996d197c78631715402f0

  • SSDEEP

    24576:w/ru5aFzQaIKB972g4W3a0Y+amsV94Rg/ureEOrpI5RZqlQd8alit3z/RX:0rusFsNKytW3a0YxXnBZS8l5p/RX

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      6ef2e1dcc973803f396960fcf1199cb037af1a3fd92bd81a8850fd764b8f9d98.exe

    • Size

      2.8MB

    • MD5

      9db424c6cad9c48c559c45c5c410ebe1

    • SHA1

      6e975642501db27324f035990b507fd2eeda30ba

    • SHA256

      6ef2e1dcc973803f396960fcf1199cb037af1a3fd92bd81a8850fd764b8f9d98

    • SHA512

      f0b4ae4e1dd8f25bba0599dd8ec4a088eab74a9545103043d984d2d55a4522cff80480f9d23d0d9683df9dcb03a402929030f42ade7514fe85973dab2eafb9fe

    • SSDEEP

      24576:1DSqgStv6LDyjF4QYhrxJw+oOD6Nfye2IdiyeU7MMpOusu72d:1+eKQ+Tw5iYfye2IIyFdt7

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks