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-r5v9nswjfn

  • MD5

    be4c92abb5de960e3ff065daec9a61c4

  • SHA1

    e128502247a2cb7c2b132cd2cc04b131270f83b8

  • SHA256

    3bf5c0a99fa71636220da34c352c9cab76426625e9399811515d71612c9b9b06

  • SHA512

    10ae6302e1ae52e80d1fc077a3481a0ab28f28c3b58ca6054b73d57fec7d7f260341a63987ad4961f64a223d14ccec9fc8df70a35b6991da0517245c9d695c82

  • SSDEEP

    24576:rImw98okVgela0as5CqLVO7XJCjkD3N0HRA:tL5ljasaU

Score
10/10
avoslockerdefense_evasiondiscoveryevasionexecutionimpactransomware

Malware Config

Targets

    • Target

      testing.exe

    • Size

      1.1MB

    • MD5

      be4c92abb5de960e3ff065daec9a61c4

    • SHA1

      e128502247a2cb7c2b132cd2cc04b131270f83b8

    • SHA256

      3bf5c0a99fa71636220da34c352c9cab76426625e9399811515d71612c9b9b06

    • SHA512

      10ae6302e1ae52e80d1fc077a3481a0ab28f28c3b58ca6054b73d57fec7d7f260341a63987ad4961f64a223d14ccec9fc8df70a35b6991da0517245c9d695c82

    • SSDEEP

      24576:rImw98okVgela0as5CqLVO7XJCjkD3N0HRA:tL5ljasaU

    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 (10413) 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