General

  • Target

    a0d9218890535bae6731f3f732878266_JaffaCakes118

  • Size

    238KB

  • Sample

    241126-kbbjvasqhx

  • MD5

    a0d9218890535bae6731f3f732878266

  • SHA1

    fe07e1cc43ac96b1e3e9e483f23b53ade5c3e797

  • SHA256

    f0217a1b67edab8feb8b35525ede049901eb399c3059a2c9c0c936244273349e

  • SHA512

    03dabf63a055e7c26bccd8ad95f3412c98117498a23aab3baa91dd7870b1c4149803416bd3968c9142644466252385d32f2fca823e6ca4c66e6b11ee747bbe8b

  • SSDEEP

    3072:tOvlkcjL5mQvoQzlTMe/FZqibruTEUmrwz/sL3IjwVAkFmTm04okxchotpDgVtPM:cvucHQQQQe2uyrArxTZ8xc9tPxG0yzl

Malware Config

Targets

    • Target

      sample

    • 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.

    • Jigsaw family

    • Renames multiple (2007) 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.

    • 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