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Overview

overview

10

Static

static

1

POP.js

windows7-x64

10

POP.js

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 11:39

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General

  • Target

    POP.js

  • Size

    903KB

  • MD5

    e8b8ceb50d77284cb8124fb02e9f1268

  • SHA1

    72ed9a12200a422140a33c504c0db91ea43a3623

  • SHA256

    8273cdbc9b9ebe69d2e208ed576d227903aa07839abe8ac292f732d677ae17e7

  • SHA512

    0fc4f2a9a5e8b42468f20808a228e38d1169c714ce709addfb453ce6fa6f1801f5743d3cec02c9bd63ac550f473bc0de4f675e1f0d470df4846e4d6f4b67d358

  • SSDEEP

    6144:HQSQDBxonj7aB6Y+XMjIM8yDwGEmxu06wwKhgsaaSLZR2NRPIr3++OHoZ5aCtTKq:wSi2

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://37.48.102.22:1820

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 20 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs .reg file with regedit 2 IoCs
  • Script User-Agent 18 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\POP.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Windows\regedit.exe
      "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg"
      2⤵
      • Runs .reg file with regedit
      PID:2688
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\POP.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\regedit.exe
        "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg"
        3⤵
        • Runs .reg file with regedit
        PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg
    Filesize

    143B

    MD5

    0e5411d7ecba9a435afda71c6c39d8fd

    SHA1

    2d6812052bf7be1b5e213e1d813ae39faa07284c

    SHA256

    cb68d50df5817e51ec5b2f72893dc4c749bf3504519107e0a78dda84d55f09e2

    SHA512

    903ac6e5c8a12607af267b54bcbbedfa5542c5b4f7ea289ab7c6a32a424d5b846ae406d830cb4ad48e2b46f92c504163c0856af8c3e09685a8855f39f616ddb1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\POP.js
    Filesize

    903KB

    MD5

    b50bad305a5abe9c3dc61422c22bc4a9

    SHA1

    4b7d8a347c6ab68572e258781df6794631ee7f13

    SHA256

    48681f87c3f7d9ccd0c7d23ead06b34daa5f4a92b9badae2ed6115613069f1d7

    SHA512

    31c36d7aa98ed331f73df8712f1abcc3f1b92e9be67251d6c5e57cc400a294c88e8096663f301a7ee0c1199ece93701bd5f1a59d1cb8c553e25f791d785c8f7b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\POP.js
    Filesize

    903KB

    MD5

    e8b8ceb50d77284cb8124fb02e9f1268

    SHA1

    72ed9a12200a422140a33c504c0db91ea43a3623

    SHA256

    8273cdbc9b9ebe69d2e208ed576d227903aa07839abe8ac292f732d677ae17e7

    SHA512

    0fc4f2a9a5e8b42468f20808a228e38d1169c714ce709addfb453ce6fa6f1801f5743d3cec02c9bd63ac550f473bc0de4f675e1f0d470df4846e4d6f4b67d358

    Download Submit

  • memory/2688-2-0x0000000001C20000-0x0000000001C21000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2688-4-0x0000000001C20000-0x0000000001C21000-memory.dmp

    Filesize

    4KB

    Download