Overview

overview

10

Static

static

3

testing.exe

windows7-x64

10

testing.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    testing.exe

  • Size

    1.1MB

  • Sample

    241225-r173nsvpfx

  • MD5

    9bab6ed20e3975cec860894d96f1de7c

  • SHA1

    b4647855c5f313fadc03347ea10272fda260dd22

  • SHA256

    368041501211167866ce2f39dfd64e596707763d2c9e448565e28d92c649aa71

  • SHA512

    14c5d8c19429aebfc5ed678d56de3b3d53e2272eda11567d85723933bbca600e00eeb52e5562278c67b08ac87b6c1bc45b6dc8b653a8d545d1edd8c8aa78432a

  • SSDEEP

    24576:tImw98okVgela0as5CqLVO7XJCjkD3N0HRA:DL5ljasaU

Score
10/10
avoslockerdefense_evasiondiscoveryevasionexecutionimpactransomware

Malware Config

Targets

    • Target

      testing.exe

    • Size

      1.1MB

    • MD5

      9bab6ed20e3975cec860894d96f1de7c

    • SHA1

      b4647855c5f313fadc03347ea10272fda260dd22

    • SHA256

      368041501211167866ce2f39dfd64e596707763d2c9e448565e28d92c649aa71

    • SHA512

      14c5d8c19429aebfc5ed678d56de3b3d53e2272eda11567d85723933bbca600e00eeb52e5562278c67b08ac87b6c1bc45b6dc8b653a8d545d1edd8c8aa78432a

    • SSDEEP

      24576:tImw98okVgela0as5CqLVO7XJCjkD3N0HRA:DL5ljasaU

    Score
    10/10
    avoslockerdefense_evasiondiscoveryevasionexecutionimpactransomware

    • Avoslocker Ransomware

      Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.

      ransomwareavoslocker

    • Avoslocker family

      avoslocker

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (10414) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks