Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 19:33

General

  • Target

    Update.js

  • Size

    3.9MB

  • MD5

    4c91a837a94d9587967bc3fe040d65f0

  • SHA1

    f7aaadbcac1b324bcff44337af3c5aa4a20f1411

  • SHA256

    7b19538dcf6d4bb84590c458f09c5707c8db53a42861fa56533c49c1a3acd953

  • SHA512

    3a6e7a0e28830d8e7c16cb833743408c3453f0ff9fd0818671ccb50dd0ddf73dd0d3d7a9719b3826918aeaabe859eb36660b0d296ab81651dd2f2914ba5038b4

  • SSDEEP

    49152:OCz4F9dM2furCz4F9dM2fupCz4F9dM2furCz4F9dM2fuVCz4F9dM2furCz4F9dME:OkGgkG+kGgkGMkGgkG9

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Netsupport family
  • Blocklisted process makes network request 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Update.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Deletes itself
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\ProgramData\o0znrgd\client32.exe
      "C:\ProgramData\o0znrgd\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\o0znrgd.zip

    Filesize

    2.2MB

    MD5

    6369be46b4583085d707c82ab686f55d

    SHA1

    61b0b0ac2de334782cb7b5055b437fe72a3edeb5

    SHA256

    763d42512bbce79b6608d475373f155983cab60ec077f475da43fb33bc629e96

    SHA512

    293a4af4b41cff142edc3ba1d9ce306828ddb677f78361398ba5c939b372cf7602ba2c942638fa08861321ab9ae0e43d7b99745400d4ccfe821f751bb34ea786

  • C:\ProgramData\o0znrgd\HTCTL32.DLL

    Filesize

    320KB

    MD5

    c94005d2dcd2a54e40510344e0bb9435

    SHA1

    55b4a1620c5d0113811242c20bd9870a1e31d542

    SHA256

    3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

    SHA512

    2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

  • C:\ProgramData\o0znrgd\NSM.LIC

    Filesize

    195B

    MD5

    e9609072de9c29dc1963be208948ba44

    SHA1

    03bbe27d0d1ba651ff43363587d3d6d2e170060f

    SHA256

    dc6a52ad6d637eb407cc060e98dfeedcca1167e7f62688fb1c18580dd1d05747

    SHA512

    f0e26aa63b0c7f1b31074b9d6eef88d0cfbc467f86b12205cb539a45b0352e77ce2f99f29baeab58960a197714e72289744143ba17975699d058fe75d978dfd0

  • C:\ProgramData\o0znrgd\PCICHEK.DLL

    Filesize

    18KB

    MD5

    104b30fef04433a2d2fd1d5f99f179fe

    SHA1

    ecb08e224a2f2772d1e53675bedc4b2c50485a41

    SHA256

    956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

    SHA512

    5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

  • C:\ProgramData\o0znrgd\PCICL32.dll

    Filesize

    3.6MB

    MD5

    d3d39180e85700f72aaae25e40c125ff

    SHA1

    f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

    SHA256

    38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

    SHA512

    471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

  • C:\ProgramData\o0znrgd\client32.exe

    Filesize

    101KB

    MD5

    c4f1b50e3111d29774f7525039ff7086

    SHA1

    57539c95cba0986ec8df0fcdea433e7c71b724c6

    SHA256

    18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

    SHA512

    005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

  • C:\ProgramData\o0znrgd\client32.ini

    Filesize

    669B

    MD5

    f734588a7620c48021688d3c2940353a

    SHA1

    c9b9aece48b4c134b838217426145fdd542f60e6

    SHA256

    97a2ce9683de5c9e03331d22309b5348f45cf65e77b1f011ba3505e2deafafc6

    SHA512

    0549dcc50347802c774078f6f9ecfec2b21b0c489aa8e96168ea12a2cec55169d4172baac13819a07686755697794f05ac5b75d554229faf268f9e64f54e2033

  • C:\ProgramData\o0znrgd\msvcr100.dll

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

  • C:\ProgramData\o0znrgd\new_delegatedWebFeatures.sccd

    Filesize

    17KB

    MD5

    7fd9cd05f23d42fb6deda65bd1977ac9

    SHA1

    df25a2c9e1e9fa05805da69ff41337b9f59755fb

    SHA256

    ca6c469655d4d0d7ce5beb447dab43048a377a6042c4800b322257567ac135d9

    SHA512

    6ae8addf0c55058803305f937593ba02202c99639a572be0cacbfde598019cf8db7067e0392bd66c43cf7d8780e454ec5e08d68bcfd491b60a450ffc280c81b8

  • C:\ProgramData\o0znrgd\pcicapi.dll

    Filesize

    32KB

    MD5

    34dfb87e4200d852d1fb45dc48f93cfc

    SHA1

    35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

    SHA256

    2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

    SHA512

    f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2