General

  • Target

    2024-09-16_acc4a833d7fcb673575e7f367c84975e_darkside

  • Size

    146KB

  • Sample

    240916-valcrsycmb

  • MD5

    acc4a833d7fcb673575e7f367c84975e

  • SHA1

    25511d16f72bb726e2ebec2fd5606f870b86c7c2

  • SHA256

    afccf40b9f82b11ee3ab70712540d3690f7cb75851aad9a882c17d57b105752b

  • SHA512

    19b41b81ba99183e4726d5fb671e447a6a12e8c6aba5aa61972aab916a452f10f5ce6c7abf84f05310f33e32aa28b161ae49d7864d16e4371cb6f35e2d8fab33

  • SSDEEP

    3072:76glyuxE4GsUPnliByocWepsqiRrQ4Kdx:76gDBGpvEByocWeWqi24m

Malware Config

Targets

    • Target

      2024-09-16_acc4a833d7fcb673575e7f367c84975e_darkside

    • Size

      146KB

    • MD5

      acc4a833d7fcb673575e7f367c84975e

    • SHA1

      25511d16f72bb726e2ebec2fd5606f870b86c7c2

    • SHA256

      afccf40b9f82b11ee3ab70712540d3690f7cb75851aad9a882c17d57b105752b

    • SHA512

      19b41b81ba99183e4726d5fb671e447a6a12e8c6aba5aa61972aab916a452f10f5ce6c7abf84f05310f33e32aa28b161ae49d7864d16e4371cb6f35e2d8fab33

    • SSDEEP

      3072:76glyuxE4GsUPnliByocWepsqiRrQ4Kdx:76gDBGpvEByocWeWqi24m

    • Renames multiple (354) files with added filename extension

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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks