Overview

overview

10

Static

static

1

d.jpg

windows10-2004-x64

10

Sharing

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General

  • Target

    d.jfif

  • Size

    589B

  • Sample

    240804-kxvjvawbqh

  • MD5

    2e934e6e0af68871e37923b402f78219

  • SHA1

    dd35ec46244325473359bd8b0ec393827c0358d6

  • SHA256

    a705e662a0fd1415561578f65c029d21f20aabd1b3baffa7fb66294e92616a98

  • SHA512

    c1bb7e2fbc4bd6f60deff92b6d38d2c7e950ee66f7a3a9dc606ef4bb7960cbd5f44c3be774f1a9aef1a55585e8f646e7443e0f66a2aefbb40f96bd7909bfdafd

Score
10/10
jigsawdiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      d.jfif

    • Size

      589B

    • MD5

      2e934e6e0af68871e37923b402f78219

    • SHA1

      dd35ec46244325473359bd8b0ec393827c0358d6

    • SHA256

      a705e662a0fd1415561578f65c029d21f20aabd1b3baffa7fb66294e92616a98

    • SHA512

      c1bb7e2fbc4bd6f60deff92b6d38d2c7e950ee66f7a3a9dc606ef4bb7960cbd5f44c3be774f1a9aef1a55585e8f646e7443e0f66a2aefbb40f96bd7909bfdafd

    Score
    10/10
    jigsawdiscoverypersistenceransomwarespywarestealer

    • Jigsaw Ransomware

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

      ransomwarejigsaw

    • Renames multiple (3745) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks