Overview

overview

10

Static

static

3

jigsaw.exe

windows7-x64

10

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General

  • Target

    jigsaw.zip

  • Size

    238KB

  • Sample

    240416-bttcyadh29

  • MD5

    0442a8e8303048d164f2606297122d0b

  • SHA1

    aa449e9e5aedb7b2fb72afba6b41ac415e597747

  • SHA256

    85bf35dadae03dc3714aaecc84d53dce9dda8312b3531638891e968abb127f69

  • SHA512

    55894b98a8a8308f47ea670d62891400cfc8f88c3da7e62ad0ecf2a896ca49faf58c0a5a19e501111b637996f27d8e38f81afd003f03cd503bf8eaa9f2b625d9

  • SSDEEP

    6144:iPCt09dbRYXIpnTpUYgRZwkk+E1C7PpzKSxNqIR05xvOFt:iJbRYXupU9RqFzYJK4z050z

Score
10/10
jigsawpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      jigsaw

    • Size

      283KB

    • MD5

      2773e3dc59472296cb0024ba7715a64e

    • SHA1

      27d99fbca067f478bb91cdbcb92f13a828b00859

    • SHA256

      3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

    • SHA512

      6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

    • SSDEEP

      6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

    Score
    10/10
    jigsawpersistenceransomwarespywarestealer

    • Jigsaw Ransomware

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

      ransomwarejigsaw

    • Renames multiple (2003) files with added filename extension

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

      ransomware

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks