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-r9nemawkhm

  • MD5

    690e61850169e3c202bd420ff5f09657

  • SHA1

    0cea717bfa2ca24a6ed31060ac32ddb8a01e1369

  • SHA256

    fa8740e57fe41b3f13eca9c22a81eab37a157255e78d1090543a5f3f991dbbfe

  • SHA512

    2cfe7f675a976c214e0b28fa761bd473d0b6e93f2447091018484be0d19ad0c4852adfb1606aac55ac4979feefac33389e1168fcac151f557098ebe446d5d14a

  • SSDEEP

    24576:SImw98okVgela0as5CqLVO7XJCjkD3N0HRA:8L5ljasaU

Score
10/10
avoslockerdefense_evasiondiscoveryevasionexecutionimpactransomware

Malware Config

Targets

    • Target

      testing.exe

    • Size

      1.1MB

    • MD5

      690e61850169e3c202bd420ff5f09657

    • SHA1

      0cea717bfa2ca24a6ed31060ac32ddb8a01e1369

    • SHA256

      fa8740e57fe41b3f13eca9c22a81eab37a157255e78d1090543a5f3f991dbbfe

    • SHA512

      2cfe7f675a976c214e0b28fa761bd473d0b6e93f2447091018484be0d19ad0c4852adfb1606aac55ac4979feefac33389e1168fcac151f557098ebe446d5d14a

    • SSDEEP

      24576:SImw98okVgela0as5CqLVO7XJCjkD3N0HRA:8L5ljasaU

    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 (10409) 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