Overview

overview

10

Static

static

3

test.exe

windows7-x64

10

test.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    test.exe

  • Size

    1.6MB

  • Sample

    241229-frpdestkhz

  • MD5

    e02f95741041a4da9ca26d2f20fc28da

  • SHA1

    91555f9e13ab54363f3f4f129cdadb6c225b6c20

  • SHA256

    62a9b760a2f94f4e1be8784e5d8394bb76e9981a4ae2426237e5b6fdf4538c9a

  • SHA512

    921aea6afc16d4036a14b8ad5d7f268d29405979ef83b9b94c0023a9721735b6d7e1ce461c31d5b230c6160906f61f703e73637cf1197b9584bf816617ea3ec1

  • SSDEEP

    24576:/Imw98okVgela0as5CqLVO7XJCjkD3N0HRADV0aEhbHdn0TrldepPZ:ZL5ljasaU4eaEhDF

Score
10/10
avoslockerdefense_evasiondiscoveryevasionexecutionimpactransomwareupx

Malware Config

Targets

    • Target

      test.exe

    • Size

      1.6MB

    • MD5

      e02f95741041a4da9ca26d2f20fc28da

    • SHA1

      91555f9e13ab54363f3f4f129cdadb6c225b6c20

    • SHA256

      62a9b760a2f94f4e1be8784e5d8394bb76e9981a4ae2426237e5b6fdf4538c9a

    • SHA512

      921aea6afc16d4036a14b8ad5d7f268d29405979ef83b9b94c0023a9721735b6d7e1ce461c31d5b230c6160906f61f703e73637cf1197b9584bf816617ea3ec1

    • SSDEEP

      24576:/Imw98okVgela0as5CqLVO7XJCjkD3N0HRADV0aEhbHdn0TrldepPZ:ZL5ljasaU4eaEhDF

    Score
    10/10
    avoslockerdefense_evasiondiscoveryevasionexecutionimpactransomwareupx

    • 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 (10428) files with added filename extension

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

      ransomware

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks