Resubmissions

11-01-2024 17:37

240111-v7jkfadga9 10

11-01-2024 13:56

240111-q81g5ahbcj 10

22-12-2023 04:42

231222-fbwgssebbj 10

General

  • Target

    Jigsaw.exe

  • Size

    283KB

  • Sample

    240111-v7jkfadga9

  • MD5

    2773e3dc59472296cb0024ba7715a64e

  • SHA1

    27d99fbca067f478bb91cdbcb92f13a828b00859

  • SHA256

    3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

  • SHA512

    6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

  • SSDEEP

    6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

Malware Config

Targets

    • Target

      Jigsaw.exe

    • Size

      283KB

    • MD5

      2773e3dc59472296cb0024ba7715a64e

    • SHA1

      27d99fbca067f478bb91cdbcb92f13a828b00859

    • SHA256

      3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

    • SHA512

      6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

    • SSDEEP

      6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

    • Jigsaw Ransomware

      Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

    • Renames multiple (1959) files with added filename extension

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks