Overview

overview

10

Static

static

20161205_8...4d0.js

windows7_x64

10

20161205_8...4d0.js

windows10_x64

10

Sharing

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General

  • Target

    20161205_81d78d08e4ef7f5416d25833f8f394d0.js

  • Size

    13KB

  • Sample

    211118-rdwq5adehk

  • MD5

    cf259e151da4827954a95bc7b35aa1d2

  • SHA1

    5bc1ddc79099cc8a197305a1272e6211470ae8fc

  • SHA256

    765748dc0f5b0a5ca9e98302794c92a962528a66935f68b2836b877e96f6353e

  • SHA512

    3eb6914e890540d297d3872c2126006088b16be72cfe83e71cfe49e9c9c4fa0287c9c01e7dac40d813761c06762bd97c1ecff6bd952d36d258224ae70e19db9a

Score
10/10
lockylocky_osirisransomwaresuricata

Malware Config

Targets

    • Target

      20161205_81d78d08e4ef7f5416d25833f8f394d0.js

    • Size

      13KB

    • MD5

      cf259e151da4827954a95bc7b35aa1d2

    • SHA1

      5bc1ddc79099cc8a197305a1272e6211470ae8fc

    • SHA256

      765748dc0f5b0a5ca9e98302794c92a962528a66935f68b2836b877e96f6353e

    • SHA512

      3eb6914e890540d297d3872c2126006088b16be72cfe83e71cfe49e9c9c4fa0287c9c01e7dac40d813761c06762bd97c1ecff6bd952d36d258224ae70e19db9a

    Score
    10/10
    lockylocky_osirisransomwaresuricata

    • Locky

      Ransomware strain released in 2016, with advanced features like anti-analysis.

      ransomwarelocky

    • Locky (Osiris variant)

      Variant of the Locky ransomware seen in the wild since early 2017.

      ransomwarelocky_osiris

    • suricata: ET MALWARE Nemucod JS Downloader Aug 01 2017

      suricata: ET MALWARE Nemucod JS Downloader Aug 01 2017

      suricata

    • Blocklisted process makes network request

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Loads dropped DLL

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Tasks