Analysis

  • max time kernel
    105s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2025, 14:44

General

  • Target

    Edge 50728.js

  • Size

    811KB

  • MD5

    b8ae0fb4eebcf3c1d378ff84c97909d6

  • SHA1

    6cab7116f3c82193be4620c25934a9451f800ba2

  • SHA256

    68c6411cc9afa68047641932530cf7201f17029167d4811375f1458cae32c7bd

  • SHA512

    b524bb8cc44e7f66197e1064d5cf367d45e879d433dd5ccde629cdbcd9792c239b3823c47c00796bab15b54c3f8763fd1a8efdece6eb4153eaa2f9d167986a7a

  • SSDEEP

    6144:Kb054A1rojyAhXyberDq91ItkMIX+VdppUvMbJMRUdt0FjyD5EjpQihloWgGTZXy:zt5fW

Malware Config

Signatures

  • NetSupport

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

  • Netsupport family
  • 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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • 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\Edge 50728.js"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Deletes itself
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\ProgramData\n5go95n4\client32.exe
      "C:\ProgramData\n5go95n4\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:3244
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\ProgramData\n5go95n4\client32.exe
    1⤵
      PID:4036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\n5go95n4.zip

      Filesize

      3.9MB

      MD5

      a164b787f105d100deddd4565fb03a91

      SHA1

      fef861817ef59ebb6728016114cbe084fd6d54b7

      SHA256

      4c048169e303dc3438e53e5abdec31b45b5184f05dc6d1bc39e18caa0e4a3f3e

      SHA512

      ceb1542d11f0936c3331d3f9348fced60ca004d0277f6bfdc9d2db5a26067173603e694890800e836063d959a8f3f9f410e29cd8ed80232b692955a5aa32280b

    • C:\ProgramData\n5go95n4\HTCTL32.DLL

      Filesize

      306KB

      MD5

      3eed18b47412d3f91a394ae880b56ed2

      SHA1

      1b521a3ed4a577a33cce78eee627ae02445694ab

      SHA256

      13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f

      SHA512

      835f35af4fd241caa8b6a639626b8762db8525ccceb43afe8fffc24dffad76ca10852a5a8e9fc114bfbf7d1dc1950130a67037fc09b63a74374517a1f5448990

    • C:\ProgramData\n5go95n4\NSM.LIC

      Filesize

      262B

      MD5

      b9956282a0fed076ed083892e498ac69

      SHA1

      d14a665438385203283030a189ff6c5e7c4bf518

      SHA256

      fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc

      SHA512

      7daa09113c0e8a36c91cc6d657c65851a20dff6b60ac3d2f40c5737c12c1613c553955f84d131ba2139959973fef9fc616ca5e968cb16c25acf2d4739eed87eb

    • C:\ProgramData\n5go95n4\PCICHEK.DLL

      Filesize

      27KB

      MD5

      e311935a26ee920d5b7176cfa469253c

      SHA1

      eda6c815a02c4c91c9aacd819dc06e32ececf8f0

      SHA256

      0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e

      SHA512

      48164e8841cfc91f4cbf4d3291d4f359518d081d9079a7995378f970e4085b534f4bafc15b83f4824cc79b5a1e54457b879963589b1acbcfe727a03eb3dffd1c

    • C:\ProgramData\n5go95n4\PCICL32.dll

      Filesize

      3.3MB

      MD5

      1274cca13cc5e37ca94d35e5b0673e89

      SHA1

      a8754c94f88273c304bc45a5afd61a383bb52117

      SHA256

      cd5510c8bc7ea60be77ad4aab502ee02d871bf4e917aeeb6921c20eebd9693dd

      SHA512

      52eafa31ee942dc92d0b8f52c12206f6abc1d5fae799b37b371e97c38ce66bd0693263de86b4880748ba1405054701288caf2cd00cd327edc164e1390cf9191c

    • C:\ProgramData\n5go95n4\client32.exe

      Filesize

      117KB

      MD5

      1c19c2e97c5e6b30de69ee684e6e5589

      SHA1

      5734ef7f9e4dba0639c98881e00f03eea35a62ee

      SHA256

      312a0e4db34a40cb95ba1fac8bf87deb45d0c5f048d38ac65eb060273b07df67

      SHA512

      ab7240b81be04f1bced47701a5791bbeedcba6037ee936327478c304aa1ce5ae75856ca7f568f909f847e27db2a6b9c08db7cc1057a18fab14a39a5854f15cba

    • C:\ProgramData\n5go95n4\client32.ini

      Filesize

      724B

      MD5

      f86798beead6be1e0e4b389e901f7640

      SHA1

      a222244bc199be44e1c041b6ee296a62fc2062bd

      SHA256

      3d725d512aec4e8708884334c7f180b7d071da8560ba49c2836fc6acb726afa6

      SHA512

      68945896e265d67d13cf2155bb58715b68a0ade556025d9ce063eef8034cd3a40614f366f139bdd953d2306cdd53e479b4c1ff05babc85c91b5a0ace1acc0332

    • C:\ProgramData\n5go95n4\msvcr100.dll

      Filesize

      755KB

      MD5

      0e37fbfa79d349d672456923ec5fbbe3

      SHA1

      4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

      SHA256

      8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

      SHA512

      2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

    • C:\ProgramData\n5go95n4\pcicapi.dll

      Filesize

      44KB

      MD5

      9daa86d91a18131d5caf49d14fb8b6f2

      SHA1

      6b2f7ceb6157909e114a2b05a48a1a2606b5caf1

      SHA256

      1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557

      SHA512

      9a98e0d9e2dda8aefa54bddb3c7b71501d638dff68863939de6caa117b0e7bf15e581a75419ef8a0da3f1c56a19f1b0f4c86d65f8581773ab88ff5764b9bb3aa

    • memory/4132-535-0x00000150A65B0000-0x00000150A65C2000-memory.dmp

      Filesize

      72KB