Overview

overview

10

Static

static

10

75ae7bbdbf...1d0.js

windows7_x64

10

75ae7bbdbf...1d0.js

windows10_x64

10

Analysis

  • max time kernel
    160s
  • max time network
    159s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 08:37

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General

  • Target

    75ae7bbdbfccde37a545a6b316e885e9a6d1ecf3c069fa48594a6db6f30c41d0.js

  • Size

    19KB

  • MD5

    835d94b0490831da27d9bf4e9f4b429c

  • SHA1

    4d97d776c40daf28201bac7b09ec199353f52059

  • SHA256

    75ae7bbdbfccde37a545a6b316e885e9a6d1ecf3c069fa48594a6db6f30c41d0

  • SHA512

    adbf433c5c5959e6d203b582ded180e86caa3259daf0ffe5650cc225e3397223155d8da5a415d4ba407c288f79803ab558ec70f40179732a41637c8ed48a7e95

Score
10/10
evilnumtrojan

Malware Config

Signatures

  • EvilNum JS Component 2 IoCs
  • Evilnum

    A malware family with multiple components distributed through LNK files.

    trojanevilnum
  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
    adwarespyware
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\75ae7bbdbfccde37a545a6b316e885e9a6d1ecf3c069fa48594a6db6f30c41d0.js
    1⤵
    • Deletes itself
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Windows\System32\cscript.exe
      "C:\Windows\System32\cscript.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Credentials\MediaPlayer\MediaManager\media.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3812
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" C:\Users\Admin\AppData\Local\Temp\reportapi.js
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1340
        • C:\Windows\System32\reg.exe
          "C:\Windows\System32\reg.exe" import C:\Users\Admin\AppData\Roaming\Microsoft\Credentials\MediaPlayer\MediaManager\media.reg
          4⤵
            PID:892
          • C:\Windows\System32\reg.exe
            "C:\Windows\System32\reg.exe" import C:\Users\Admin\AppData\Roaming\Microsoft\Credentials\MediaPlayer\MediaManager\mediaIE.reg
            4⤵
            • Modifies Internet Explorer Automatic Crash Recovery
            • Modifies Internet Explorer Phishing Filter
            • Modifies Internet Explorer Protected Mode
            • Modifies Internet Explorer Protected Mode Banner
            • Modifies Internet Explorer settings
            PID:2788
          • C:\Windows\System32\cscript.exe
            "C:\Windows\System32\cscript.exe" C:\Users\Admin\AppData\Local\Temp\reportapi.js
            4⤵
              PID:920
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -startmediumtab -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1008 CREDAT:82945 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2324

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads