Resubmissions

09-10-2023 22:49

231009-2rx68aba24 10

05-11-2020 14:34

201105-wwra1hx6zn 10

General

  • Target

    b3af58566437f83301cd884feaaa2c4b6c827498969a2abbe48afc03351facb3

  • Size

    41KB

  • Sample

    201105-wwra1hx6zn

  • MD5

    0efb06144ff6e9eb6bdc03fafa5167a7

  • SHA1

    894bc02320d1308462ce004cf06e1bb1841d22c2

  • SHA256

    b3af58566437f83301cd884feaaa2c4b6c827498969a2abbe48afc03351facb3

  • SHA512

    a4e4f538ad17d32c63f5b6b5be26115931480544ca921bec09bbe0dcb0989455fb29a8ddd97c3e14b4b1250b9aa8b19aa0e0849fcf1dd57f2d3f934f7e973a96

Malware Config

Targets

    • Target

      b3af58566437f83301cd884feaaa2c4b6c827498969a2abbe48afc03351facb3

    • Size

      41KB

    • MD5

      0efb06144ff6e9eb6bdc03fafa5167a7

    • SHA1

      894bc02320d1308462ce004cf06e1bb1841d22c2

    • SHA256

      b3af58566437f83301cd884feaaa2c4b6c827498969a2abbe48afc03351facb3

    • SHA512

      a4e4f538ad17d32c63f5b6b5be26115931480544ca921bec09bbe0dcb0989455fb29a8ddd97c3e14b4b1250b9aa8b19aa0e0849fcf1dd57f2d3f934f7e973a96

    • Jigsaw Ransomware

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

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Tasks