netsupport | 5a0e7fdd2a5427e48762f03b3eb4efc9698aa21e602e625935fe07a42cfe8271

Analysis

max time kernel
93s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2024 01:12

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General

Target

Update 124.0.6367.158.js
Size

3.5MB
MD5

11f2b271d98b6d8e2ad624af3c87a5a9
SHA1

5540bb84e6a9af516c01ad25eb5e1d9dd42a0e3c
SHA256

bea62cbac1011a303dae7d43eec61e9b31d80ea4c92cd0fa1d18a9a04e6a2541
SHA512

d984b0102b64bf3b027d9de54e56c9ee8f0ff87a373b97fd8546d9885f610b98e2a889efa1d994b2f0775d56e12a0912e83a16fd258c2680e8cf27c8a12231e4
SSDEEP

49152:paZYOjByI+BJ8V6tlBDBFvLBLtmpf+T2vPHr+Z3jb4WsjcqTbsPF5xhyMa81qIdi:Q

Score

10^/10

netsupport execution persistence rat

Malware Config

Signatures

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

Blocklisted process makes network request 4 IoCs

flow	pid	Process
4	4432	wscript.exe
6	4432	wscript.exe
9	4432	wscript.exe
11	4432	wscript.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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	wscript.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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\ProgramData\\CCleaner1\\client32.exe"	wscript.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3104	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 3104	4432	wscript.exe	90
PID 4432 wrote to memory of 3104	4432	wscript.exe	90
PID 4432 wrote to memory of 3104	4432	wscript.exe	90

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Update 124.0.6367.158.js"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4432
- C:\ProgramData\CCleaner1\client32.exe
  "C:\ProgramData\CCleaner1\client32.exe"
  2⤵
  - 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

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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:\ProgramData\CCleaner1.zip

Filesize
7.0MB

MD5
24470e75de8f8c48b4e2218b8bd943a6

SHA1
e6ad6e0649cb13e2a967e2e1501e4dd5de7c2eb8

SHA256
6191cc00c0c1884b376e43ba38ba51af2acde16e0d1bc86f153e81b60e3dc134

SHA512
010af07025a1b5698d0744ddbb16f1ccff4eb52b7883b9331dca64d089ad2c71e304076bd280c07dc406696dbac2f570de33c8b1d44d4b519b2ebb8526c0183e

Download Submit
C:\ProgramData\CCleaner1\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\ProgramData\CCleaner1\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\ProgramData\CCleaner1\NSM.LIC

Filesize
258B

MD5
1b41e64c60ca9dfadeb063cd822ab089

SHA1
abfcd51bb120a7eae5bbd9a99624e4abe0c9139d

SHA256
f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d

SHA512
c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4

Download Submit
C:\ProgramData\CCleaner1\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\ProgramData\CCleaner1\PCICL32.dll

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\ProgramData\CCleaner1\__\manifest.json

Filesize
170B

MD5
cba80ee11de525535bf2068ac23107b0

SHA1
479c817e5b4ae2e49e1e950359f072dd8a8d227f

SHA256
333654272a482dc66a15d07c778cdfed72e74f6fa50342f00995e26f5dc7678f

SHA512
5acdfd8874e3506c65446f5b5022879b74d5faa4d05af36c9835a35e542bab21d81af0f334403f9f3597b12c20c52e2de9377ed7b22466dea3d7ece47810d5f8

Download Submit
C:\ProgramData\CCleaner1\__\preloaded_data.pb

Filesize
8KB

MD5
649c99af46addf93fdd5a214fb56e738

SHA1
322376c0cebf89d49f86337d6832441befd7c76f

SHA256
c352da21a972a669694c7178deadc41c9be440bd92bdac827fe96b79caac007e

SHA512
01fae333dd9480c6e638b151f84afa6a6d3c0f2e9ae0af1dc9c54795ecaa6bfb348ca80f792c0bbb9527a3b1d7b5a701ab637b12a61279e6764173b9c8ff8247

Download Submit
C:\ProgramData\CCleaner1\audio\replays.ico

Filesize
21KB

MD5
757739ea13489d570c0db5ed4c2ddf4d

SHA1
b4984c2e8363e8a7b062041b1de9cc39388f27fa

SHA256
5dffe9852e3248c2970f54983754af51613714671b743efd019bd0f5ece40cf3

SHA512
f4b9ef3404b5c6b5a4ceb9ab3a8b13efb9ccced07e6e37b18508c44700fdaf8bcfbdd603c66204730bbb5de8d05598bbaeb18bd962a99ba52817e74f3846c12b

Download Submit
C:\ProgramData\CCleaner1\audio\tft.w3k

Filesize
26B

MD5
53a778e164d859f1cc632178e75135fb

SHA1
f5a51d3010e756cf5755358fa933edbf25912474

SHA256
c0e21afe5ca962b5b06804a0d4fe7f7b0669e66c217d6f5010f7ea9f0573ece8

SHA512
78b0a18dd30d25f955fd1533beb3fe26d47fac15ad73298ae1428d98b5eee5ef585e84c00f7056b80aadd40e955828a8b3868e705581a6d75e71bc10187d756c

Download Submit
C:\ProgramData\CCleaner1\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\ProgramData\CCleaner1\client32.ini

Filesize
671B

MD5
8f5ada97c32cf8802640350080a35f95

SHA1
248af4eb242fe0bc91db157666c66124b14f5def

SHA256
5106da0bdacd10e4c0f8c10afdba89ce72b8678b5549e7ce4f224b69267e774d

SHA512
5db3c4581ca9b237acaa49381abe6b95e25e5b91f42dfe7a1ae29a1a2d78ec887581fa08138fda96e45e4aa8f5711b3e40d659eebdfa5892ab66bacd1b16433a

Download Submit
C:\ProgramData\CCleaner1\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads