Overview

overview

10

Static

static

mssecsvc.exe

windows7_x64

10

mssecsvc.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    287e5812b0c53fe94fc90a3f31b97fbee3d7b9f8fa5b7f38bd59c3d8014ef006

  • Size

    729KB

  • Sample

    220615-vzearacca6

  • MD5

    5fcd0a130e461d18edf2e5bdb69c8ffe

  • SHA1

    2becd1c33e15a7282abccf574a2c4ae1957bf9e3

  • SHA256

    287e5812b0c53fe94fc90a3f31b97fbee3d7b9f8fa5b7f38bd59c3d8014ef006

  • SHA512

    3be636a3505c37c137ea0dc2f5610d872ab1dd3769b95eb3fe1694b0475c8b8b2cfefe244b490fa51f27ff38cf1d596439cbac70081df89822f4a2b823f86e30

Score
10/10
wannacrydiscoveryransomwaresuricataworm

Malware Config

Targets

    • Target

      mssecsvc.exe

    • Size

      3.6MB

    • MD5

      e8089341ee0442a2ecf82e4b70829143

    • SHA1

      cec9a0b3c2914b49bf0b5dbbd3b1907cb8a6b578

    • SHA256

      55bc52ead4c668b4dad978bebd80821a68eccd36b3927072a5d113cd5d79a27a

    • SHA512

      738f731a3e118245c092a99e6822bb6e3f2294bcf4ec28ff4bbf43a98a0567d8d8d7b9ffff1bb5f7a9162335427c2e682a5ad48c9f9413818cd3baf81c6f0862

    Score
    10/10
    wannacrydiscoveryransomwaresuricataworm

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • suricata: ET MALWARE Known Sinkhole Response Kryptos Logic

      suricata: ET MALWARE Known Sinkhole Response Kryptos Logic

      suricata

    • suricata: ET MALWARE W32/WannaCry.Ransomware Killswitch Domain HTTP Request 1

      suricata: ET MALWARE W32/WannaCry.Ransomware Killswitch Domain HTTP Request 1

      suricata

    • Contacts a large (3320) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Contacts a large (1277) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Executes dropped EXE

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

3
T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks