Overview

overview

10

Static

static

3

VirusShare...a7.exe

windows7-x64

10

VirusShare...a7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    VirusShare_39bf9972dc02ee8132c5e93f316d45a7

  • Size

    104KB

  • Sample

    240607-xprjfacb9y

  • MD5

    39bf9972dc02ee8132c5e93f316d45a7

  • SHA1

    b38b95a891f1c9f813cdf78d449417e175b8795f

  • SHA256

    e8ac8a79bf4ec0cba992bbded2974968b9bcdadfafe08ed597e604e8099cd64c

  • SHA512

    20934951c39ea3159f69715def1e2821f6c275b40cae0e589168ebcb8b55c8da263036cd400c84483429a4db464a4e2537bdd487b53d22c45c8a4c30af792c51

  • SSDEEP

    3072:mF0Dnssj8BDcI6r5rFCAGd6oKwndjBzUU:mmABIIq5hPGd6oKwndNA

Score
10/10
jigsawpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      VirusShare_39bf9972dc02ee8132c5e93f316d45a7

    • Size

      104KB

    • MD5

      39bf9972dc02ee8132c5e93f316d45a7

    • SHA1

      b38b95a891f1c9f813cdf78d449417e175b8795f

    • SHA256

      e8ac8a79bf4ec0cba992bbded2974968b9bcdadfafe08ed597e604e8099cd64c

    • SHA512

      20934951c39ea3159f69715def1e2821f6c275b40cae0e589168ebcb8b55c8da263036cd400c84483429a4db464a4e2537bdd487b53d22c45c8a4c30af792c51

    • SSDEEP

      3072:mF0Dnssj8BDcI6r5rFCAGd6oKwndjBzUU:mmABIIq5hPGd6oKwndNA

    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 (1982) 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.

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks