Overview

overview

10

Static

static

1

Invoice Pa...823.js

windows7-x64

10

Invoice Pa...823.js

windows10-2004-x64

10

Sharing

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General

  • Target

    Invoice Payment N8977823.js

  • Size

    614KB

  • Sample

    240507-j4ftlaga5v

  • MD5

    2299cd103202899b48a32a317f58192d

  • SHA1

    f813552dffb221b7cfaf356d571bf6468b9e58aa

  • SHA256

    2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b

  • SHA512

    2385b8acefda53c6620bb220e7dc5a8fde64c7d6ccb110a6a0d32152d0d87444fcfbc88bb9dbef322f0ced7bc27b92d43fc1bc1bb5d409f289ae86b816123d14

  • SSDEEP

    12288:kYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEMU:kYeIrWr/qRigAyX/kngXFbjTLvaH28nJ

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://masterokrwh.duckdns.org:8426

Targets

    • Target

      Invoice Payment N8977823.js

    • Size

      614KB

    • MD5

      2299cd103202899b48a32a317f58192d

    • SHA1

      f813552dffb221b7cfaf356d571bf6468b9e58aa

    • SHA256

      2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b

    • SHA512

      2385b8acefda53c6620bb220e7dc5a8fde64c7d6ccb110a6a0d32152d0d87444fcfbc88bb9dbef322f0ced7bc27b92d43fc1bc1bb5d409f289ae86b816123d14

    • SSDEEP

      12288:kYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEMU:kYeIrWr/qRigAyX/kngXFbjTLvaH28nJ

    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

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks