Overview

overview

10

Static

static

1

swiftcopy2...pdf.js

windows7-x64

10

swiftcopy2...pdf.js

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03-03-2023 13:11

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General

  • Target

    swiftcopy29,000-pdf.js

  • Size

    851KB

  • MD5

    937dc6d86aaec946b8b1a85c18dfc0f9

  • SHA1

    54cffa114d9190531e7ea511fcb3366891cdec78

  • SHA256

    0709e45b9186e29e63b1201836886b878e3d58ab49839aad499982909e6f2a70

  • SHA512

    21239b6c8b1fef9cf1589110c43d586a42bf74fdabc9782df92042bc80c0ff66147837d227b02ec039d0ceac66a6ca2135edfeaab0f207b934157cd51daf3ea5

  • SSDEEP

    6144:ZPCzWsMvIvVtVys9ViggID8N7dxjZNQySzE70Gd:0MvQ/VnQAD8JdxjZKO0Gd

Score
10/10
wshratpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://109.206.240.41:5802

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 26 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 25 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\swiftcopy29,000-pdf.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\swiftcopy29,000-pdf.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:1776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\swiftcopy29,000-pdf.js
    Filesize

    851KB

    MD5

    937dc6d86aaec946b8b1a85c18dfc0f9

    SHA1

    54cffa114d9190531e7ea511fcb3366891cdec78

    SHA256

    0709e45b9186e29e63b1201836886b878e3d58ab49839aad499982909e6f2a70

    SHA512

    21239b6c8b1fef9cf1589110c43d586a42bf74fdabc9782df92042bc80c0ff66147837d227b02ec039d0ceac66a6ca2135edfeaab0f207b934157cd51daf3ea5

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\swiftcopy29,000-pdf.js
    Filesize

    851KB

    MD5

    937dc6d86aaec946b8b1a85c18dfc0f9

    SHA1

    54cffa114d9190531e7ea511fcb3366891cdec78

    SHA256

    0709e45b9186e29e63b1201836886b878e3d58ab49839aad499982909e6f2a70

    SHA512

    21239b6c8b1fef9cf1589110c43d586a42bf74fdabc9782df92042bc80c0ff66147837d227b02ec039d0ceac66a6ca2135edfeaab0f207b934157cd51daf3ea5

    Download Submit

  • C:\Users\Admin\AppData\Roaming\swiftcopy29,000-pdf.js
    Filesize

    851KB

    MD5

    937dc6d86aaec946b8b1a85c18dfc0f9

    SHA1

    54cffa114d9190531e7ea511fcb3366891cdec78

    SHA256

    0709e45b9186e29e63b1201836886b878e3d58ab49839aad499982909e6f2a70

    SHA512

    21239b6c8b1fef9cf1589110c43d586a42bf74fdabc9782df92042bc80c0ff66147837d227b02ec039d0ceac66a6ca2135edfeaab0f207b934157cd51daf3ea5

    Download Submit