General

  • Target

    0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194

  • Size

    146KB

  • Sample

    241121-zjwbjsxmhy

  • MD5

    33228a20a7e985f02e2ddd73cccde729

  • SHA1

    58ab960e629a609d135e1988c72f2991e5f76e30

  • SHA256

    0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194

  • SHA512

    075002dd1b0f8e536c1ff99d30368f5adfc90a2f3e7a74c9770119e7b54a5851236657b7edcb735d457e78a7e67b7c285b6ceaa6ca2907542ac208dfc8c9aabe

  • SSDEEP

    3072:36glyuxE4GsUPnliByocWepqFPUBwrqveV84:36gDBGpvEByocWe8MB4G

Malware Config

Targets

    • Target

      0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194

    • Size

      146KB

    • MD5

      33228a20a7e985f02e2ddd73cccde729

    • SHA1

      58ab960e629a609d135e1988c72f2991e5f76e30

    • SHA256

      0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194

    • SHA512

      075002dd1b0f8e536c1ff99d30368f5adfc90a2f3e7a74c9770119e7b54a5851236657b7edcb735d457e78a7e67b7c285b6ceaa6ca2907542ac208dfc8c9aabe

    • SSDEEP

      3072:36glyuxE4GsUPnliByocWepqFPUBwrqveV84:36gDBGpvEByocWe8MB4G

    • Renames multiple (341) 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.

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks