Overview

overview

10

Static

static

1

xerin-unpacker.zip

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    xerin-unpacker.zip

  • Size

    236KB

  • Sample

    241029-t11dyaxamr

  • MD5

    b651a3553ab3a5bcb7b214970d472b42

  • SHA1

    be3260cd668dac8d35503ad4a99adfa5e742da76

  • SHA256

    653f642b866f37fc6d149ee025a318bea8a53ff1a48caa5f2f3d53f08ccb3d71

  • SHA512

    f4428046e0b4df072a3f6b690dfd1a64db4823af3482f128480444a4af7a4263c1104d0d0bba76dd2c0041e8e33bcf58aba2f38805ee36d1f1b639e58725b44e

  • SSDEEP

    6144:tYt0q+BReFMTsYCccx596gyWBXcuYNoqOE6j:tYt+BReiTmca59ojgX

Score
10/10
jigsawpersistenceransomware

Malware Config

Targets

    • Target

      xerin-unpacker.zip

    • Size

      236KB

    • MD5

      b651a3553ab3a5bcb7b214970d472b42

    • SHA1

      be3260cd668dac8d35503ad4a99adfa5e742da76

    • SHA256

      653f642b866f37fc6d149ee025a318bea8a53ff1a48caa5f2f3d53f08ccb3d71

    • SHA512

      f4428046e0b4df072a3f6b690dfd1a64db4823af3482f128480444a4af7a4263c1104d0d0bba76dd2c0041e8e33bcf58aba2f38805ee36d1f1b639e58725b44e

    • SSDEEP

      6144:tYt0q+BReFMTsYCccx596gyWBXcuYNoqOE6j:tYt+BReiTmca59ojgX

    Score
    10/10
    jigsawpersistenceransomware

    • Jigsaw Ransomware

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

      ransomwarejigsaw

    • Jigsaw family

      jigsaw

    • Renames multiple (738) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks