General

  • Target

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

  • Size

    137KB

  • Sample

    220520-17yx1shhhm

  • MD5

    6b2843a576c2cc99cdda72304b3b67c9

  • SHA1

    d1be9c2e7130ddc7649966a1fc691b9e4f90681b

  • SHA256

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

  • SHA512

    9cfd6248401ab04bc67c6695f9d60d9dc050ef93bb8fda321cc0ed808c86e69fca3a36bac69de4f8e3f185c31c9ba3c744c6a646105e8a8306725194934e0365

Malware Config

Targets

    • Target

      4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

    • Size

      137KB

    • MD5

      6b2843a576c2cc99cdda72304b3b67c9

    • SHA1

      d1be9c2e7130ddc7649966a1fc691b9e4f90681b

    • SHA256

      4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

    • SHA512

      9cfd6248401ab04bc67c6695f9d60d9dc050ef93bb8fda321cc0ed808c86e69fca3a36bac69de4f8e3f185c31c9ba3c744c6a646105e8a8306725194934e0365

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks