Overview

overview

10

Static

static

IMG-9877-P...867.js

windows7_x64

10

IMG-9877-P...867.js

windows10_x64

10

Sharing

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General

  • Target

    IMG-9877-PO-PDF-LIST9576867.js

  • Size

    2.1MB

  • Sample

    211021-wzbejaafb3

  • MD5

    66ce275ae44bfac23f7a71c0e3df1e76

  • SHA1

    a8f6afbb0c136b8dcfe6f108cde75b40b7c0d2ce

  • SHA256

    46648093234287c679db48c441de8f2d12306a3c8299b4d30e3fcf0057bcd633

  • SHA512

    94e9ead33c3a0ff6133f46951fb9a52d4e59215f79a05f7c006cbff47712ab39130bcafabfc165cd5fa1402336a1a63b204b7eb33631a0172fc5e6463ba36afe

Score
10/10
wshratpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://concideritdone.duckdns.org:5001

Targets

    • Target

      IMG-9877-PO-PDF-LIST9576867.js

    • Size

      2.1MB

    • MD5

      66ce275ae44bfac23f7a71c0e3df1e76

    • SHA1

      a8f6afbb0c136b8dcfe6f108cde75b40b7c0d2ce

    • SHA256

      46648093234287c679db48c441de8f2d12306a3c8299b4d30e3fcf0057bcd633

    • SHA512

      94e9ead33c3a0ff6133f46951fb9a52d4e59215f79a05f7c006cbff47712ab39130bcafabfc165cd5fa1402336a1a63b204b7eb33631a0172fc5e6463ba36afe

    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

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • 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.

    • Suspicious use of SetThreadContext

    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