Overview

overview

10

Static

static

10

GOE-6.508.pdf.js

windows7_x64

10

GOE-6.508.pdf.js

windows10-2004_x64

Sharing

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General

  • Target

    GOE-6.508.pdf.js

  • Size

    1.5MB

  • Sample

    220201-s4rqjaghaq

  • MD5

    a35a17d6d986737f8d13c2e7896175b4

  • SHA1

    ec1631b83df832f28b20c86b629e0c2862b3334c

  • SHA256

    4f3ad298763c484458b73b7e53ff043df5b3923187cda71b50424f14949b336c

  • SHA512

    81c8e1d2b857973c752f524fa8461c91fb50ffa33b33d8617fcc326d386c69d2e3b94555651e4f304d98ef2aae2a5a180fcc31b156cbe07e0eb37777c93f2b53

Score
10/10
wshratlinkpdfpersistencesuricatatrojan

Malware Config

Extracted

Family

wshrat

C2

http://111.90.149.115:5200

Targets

    • Target

      GOE-6.508.pdf.js

    • Size

      1.5MB

    • MD5

      a35a17d6d986737f8d13c2e7896175b4

    • SHA1

      ec1631b83df832f28b20c86b629e0c2862b3334c

    • SHA256

      4f3ad298763c484458b73b7e53ff043df5b3923187cda71b50424f14949b336c

    • SHA512

      81c8e1d2b857973c752f524fa8461c91fb50ffa33b33d8617fcc326d386c69d2e3b94555651e4f304d98ef2aae2a5a180fcc31b156cbe07e0eb37777c93f2b53

    Score
    10/10
    wshratlinkpdfpersistencesuricatatrojan

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

      trojanwshrat

    • WSHRAT Payload

    • suricata: ET MALWARE WSHRAT CnC Checkin

      suricata: ET MALWARE WSHRAT CnC Checkin

      suricata

    • suricata: ET MALWARE WSHRAT Credential Dump Module Download Command Inbound

      suricata: ET MALWARE WSHRAT Credential Dump Module Download Command Inbound

      suricata

    • suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1

      suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1

      suricata

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks