Overview

overview

10

Static

static

Rechnung2498.js

windows7_x64

10

Rechnung2498.js

windows10_x64

10

Sharing

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General

  • Target

    Rechnung2498.js

  • Size

    179KB

  • Sample

    210215-yvsb7dxpx6

  • MD5

    093aa4289d9d8d8315ab0ea9b306f0a0

  • SHA1

    0316c6e558148a10d0acf63bc84f53ca315b1acf

  • SHA256

    39f7abd459bda03744d7d1dfb7dd15b2204014d75f20d86a13789648d6f44b1d

  • SHA512

    ddea7839a14759a27d17578850fb473f720bf911cb9d6e56c3e55a963eca51a85ae1706d2f8bca31b216fa7ef2457135dd1a198008203e6635cb73fd3df985f8

Score
10/10
wshratpersistencetrojan

Malware Config

Targets

    • Target

      Rechnung2498.js

    • Size

      179KB

    • MD5

      093aa4289d9d8d8315ab0ea9b306f0a0

    • SHA1

      0316c6e558148a10d0acf63bc84f53ca315b1acf

    • SHA256

      39f7abd459bda03744d7d1dfb7dd15b2204014d75f20d86a13789648d6f44b1d

    • SHA512

      ddea7839a14759a27d17578850fb473f720bf911cb9d6e56c3e55a963eca51a85ae1706d2f8bca31b216fa7ef2457135dd1a198008203e6635cb73fd3df985f8

    Score
    10/10
    wshratpersistencetrojan

    • WSHRAT

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

      trojanwshrat

    • WSHRAT Payload

    • Blocklisted process makes network request

    • 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