Overview

overview

10

Static

static

1

mc.js

windows7-x64

10

mc.js

windows10-2004-x64

10

Sharing

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General

  • Target

    mc.js

  • Size

    262KB

  • Sample

    240520-nke56saa6s

  • MD5

    61003ace63f39ed1cc39a22cb924e6b1

  • SHA1

    914548e77023a990b0e79e1cea9ce25991e8116e

  • SHA256

    3d3b93e744a9fc154a70b6a6b709be2806598abb2b00db8e51faa55f961f3076

  • SHA512

    e9d25955a7a9700b996dc435e23505ddb772290bf6370a0ccd122a34fc6c21c935b6a4dfc60fd2d2d00e74e6edb0f6f49d9df960a2ac3b7155a98d908560ba53

  • SSDEEP

    96:GM969Xx6VdE6ruU6S+4SWp9uS+V6fXuSEFYcnhVM3/DyBCODI99PRdN1QNLq9Iu/:gWGcucNHw1c5UEWzC423S68XC

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Targets

    • Target

      mc.js

    • Size

      262KB

    • MD5

      61003ace63f39ed1cc39a22cb924e6b1

    • SHA1

      914548e77023a990b0e79e1cea9ce25991e8116e

    • SHA256

      3d3b93e744a9fc154a70b6a6b709be2806598abb2b00db8e51faa55f961f3076

    • SHA512

      e9d25955a7a9700b996dc435e23505ddb772290bf6370a0ccd122a34fc6c21c935b6a4dfc60fd2d2d00e74e6edb0f6f49d9df960a2ac3b7155a98d908560ba53

    • SSDEEP

      96:GM969Xx6VdE6ruU6S+4SWp9uS+V6fXuSEFYcnhVM3/DyBCODI99PRdN1QNLq9Iu/:gWGcucNHw1c5UEWzC423S68XC

    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
    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

Impact

Resource Development

Reconnaissance

Tasks