Overview

overview

10

Static

static

10

af0e24781e...55.exe

windows7-x64

10

af0e24781e...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3303698d5190201a3f6dd7f1118251e0.bin

  • Size

    1.4MB

  • Sample

    241103-bg3e3szncy

  • MD5

    dcbee0a7bf9664e3f4f974d422c456ab

  • SHA1

    e0b969d079f0516c73cc2e55c15014bffb2cb273

  • SHA256

    3cecca399802b3896d151767db73d452b0f062d0e5dcb1c290c49d7eb8fad19c

  • SHA512

    dfc822102c5c5ef8d4d632974a8d9ba5e4ba1d841c828e08d0bc56486811b971735d06d1d64f2fd3375d52680cdf05fdfc788be08ba837b5b41113643640d82b

  • SSDEEP

    24576:HX+vNkyqE2HON/pXCO2VqgHj5Bvhwu5pZinf5qTwMfHn7nwxRk:3yWoYON4tQgHj5BJwginfsD+Rk

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      af0e24781ed3683f04dd86a616e31490f36c2da4cbb4fddc76efbd0fc4f15d55.exe

    • Size

      3.1MB

    • MD5

      3303698d5190201a3f6dd7f1118251e0

    • SHA1

      b7ef2c81d6ae8023ff811278ec3e5bfba8fd905d

    • SHA256

      af0e24781ed3683f04dd86a616e31490f36c2da4cbb4fddc76efbd0fc4f15d55

    • SHA512

      7ee79e8be71b4f3f7e6c1678e5100484e774d445777adc8f744d782258fad7444a5cd775a8290fdaadd7ab95b3c5fdb2b10e644dc64daa340c770d34151293f4

    • SSDEEP

      24576:0wYAZ9hsTcbVPIw4OEezpOPoZzUt4MKom1W6USf5ZztnE/O/XZ/zhPw:zztbN5pZAJ0fJl8

    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