Overview

overview

10

Static

static

1

3680c60d58...78d.js

windows7-x64

10

3680c60d58...78d.js

windows10-2004-x64

10

Sharing

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General

  • Target

    3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d.js

  • Size

    616KB

  • Sample

    240508-b385rabh3t

  • MD5

    9c3aaa1354531b2f4c194af6be1dfce7

  • SHA1

    cef62c19f65f6985bb473c7b2469c3512f916933

  • SHA256

    3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d

  • SHA512

    ebc2c1a3d28d7ceab9447baa6c1341183ba17f74de24b3bee6ddaaa84c81d6b4edd97c0f90d3231c643da28520626741b81423593b7d29b08fba4dc2d48f0d97

  • SSDEEP

    12288:+YeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEM+:+YeIrWr/qRigAyX/kngXFbjTLvaH28n1

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://masterokrwh.duckdns.org:8426

Targets

    • Target

      3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d.js

    • Size

      616KB

    • MD5

      9c3aaa1354531b2f4c194af6be1dfce7

    • SHA1

      cef62c19f65f6985bb473c7b2469c3512f916933

    • SHA256

      3680c60d58b895a8a423ee6ce62f9bfc23effb87522194c1637d67c148b9778d

    • SHA512

      ebc2c1a3d28d7ceab9447baa6c1341183ba17f74de24b3bee6ddaaa84c81d6b4edd97c0f90d3231c643da28520626741b81423593b7d29b08fba4dc2d48f0d97

    • SSDEEP

      12288:+YeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEM+:+YeIrWr/qRigAyX/kngXFbjTLvaH28n1

    Score
    10/10
    wshratexecutionpersistencetrojan

    • WSHRAT

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

      trojanwshrat

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • 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 v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks