Analysis

  • max time kernel
    98s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2025 11:48

General

  • Target

    Payment_198.js

  • Size

    2.0MB

  • MD5

    8628ad441bd6faefe0595cad2d6b6c8f

  • SHA1

    7292bb76c1872d06b9f38dbf8f40df44a06180ad

  • SHA256

    1fdf43c4b7b463410c3bc0ca5447061140127deeb5509e5029667620ad9e9d99

  • SHA512

    0eed38dfec4e22e24ce1771f1315f7a96a613ed8f97f64271280248930c9d6e779348ab1c97578560a39072bb1e901f024a43953b05f57626213d55164c5c818

  • SSDEEP

    49152:h9NJObOvh90Wg1rA536egzhhCkrn14teMrxsi+ESK7OthvVKV2Mf/U:h53S5d

Malware Config

Signatures

  • NetSupport

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

  • Netsupport family
  • Blocklisted process makes network request 1 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.

  • 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\Payment_198.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Deletes itself
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\ProgramData\e3kxwau\client32.exe
      "C:\ProgramData\e3kxwau\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\e3kxwau.zip

    Filesize

    2.2MB

    MD5

    d033258631c7c640c40660909a4eff5a

    SHA1

    98b50cb5c66fd86aa0a76c3b92976a2423489a7a

    SHA256

    1394bde6dfa6e9f1b20492b67b3dddaf12ffab4699b581f48ec55245fa75841f

    SHA512

    49d1b540b3351f3cf4c649b0f1d6b362229b2bd650f5db631024cc668e3dde2c3984d081e1d7dcc7853bd5afb5912b0bfa70a98024de7722708b86156b47e181

  • C:\ProgramData\e3kxwau\HTCTL32.DLL

    Filesize

    320KB

    MD5

    c94005d2dcd2a54e40510344e0bb9435

    SHA1

    55b4a1620c5d0113811242c20bd9870a1e31d542

    SHA256

    3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

    SHA512

    2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

  • C:\ProgramData\e3kxwau\MSVCR100.dll

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

  • C:\ProgramData\e3kxwau\NSM.LIC

    Filesize

    195B

    MD5

    e9609072de9c29dc1963be208948ba44

    SHA1

    03bbe27d0d1ba651ff43363587d3d6d2e170060f

    SHA256

    dc6a52ad6d637eb407cc060e98dfeedcca1167e7f62688fb1c18580dd1d05747

    SHA512

    f0e26aa63b0c7f1b31074b9d6eef88d0cfbc467f86b12205cb539a45b0352e77ce2f99f29baeab58960a197714e72289744143ba17975699d058fe75d978dfd0

  • C:\ProgramData\e3kxwau\PCICL32.dll

    Filesize

    3.6MB

    MD5

    d3d39180e85700f72aaae25e40c125ff

    SHA1

    f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

    SHA256

    38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

    SHA512

    471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

  • C:\ProgramData\e3kxwau\client32.exe

    Filesize

    101KB

    MD5

    c4f1b50e3111d29774f7525039ff7086

    SHA1

    57539c95cba0986ec8df0fcdea433e7c71b724c6

    SHA256

    18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

    SHA512

    005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

  • C:\ProgramData\e3kxwau\client32.ini

    Filesize

    673B

    MD5

    09d7449585729adaaa29f0041ecec48d

    SHA1

    bbc92d987840035347cede33d8ac78676f7a564f

    SHA256

    8c86524231255266fa3dec02ddb62ac558efc8662609c1e43f37a8f4586ee693

    SHA512

    8769b1afba4608cd1cf7151786716727ff8b77757679699658a31b2cd88667b0f657ee3fa05a18c984cd8e3e44eefe3de836c83271c5a89cda7dfa8a4fcfbe16

  • C:\ProgramData\e3kxwau\pcicapi.dll

    Filesize

    32KB

    MD5

    34dfb87e4200d852d1fb45dc48f93cfc

    SHA1

    35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

    SHA256

    2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

    SHA512

    f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

  • C:\ProgramData\e3kxwau\pcichek.dll

    Filesize

    18KB

    MD5

    104b30fef04433a2d2fd1d5f99f179fe

    SHA1

    ecb08e224a2f2772d1e53675bedc4b2c50485a41

    SHA256

    956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

    SHA512

    5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f