netsupport | cd1f610d6f00c7785eebba5faff19ab9af8514b28016eb2f3781395f22f09af0

Resubmissions

22-07-2024 14:09

240722-rgc37a1ejc 10

22-07-2024 14:08

240722-rfwh5sscrq 10

Analysis

max time kernel
143s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22-07-2024 14:09

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General

Target

download (4).zip
Size

3.1MB
MD5

1d934e202122fe55125ad2a7788c53fa
SHA1

4bb60e01e6b3c2caa5f0ffaf1ccd7f371a7c5a67
SHA256

cd1f610d6f00c7785eebba5faff19ab9af8514b28016eb2f3781395f22f09af0
SHA512

d2472188634369b95aef06845541474c7daa4e6f1457bffc0a5cd710a1196a67ddb7a554681bdcb8fcd38a9092794f68ab04847b7173695baf63f8c7074c325a
SSDEEP

98304:E1NFXa/hRFY89YYc9jh23redpmQR1Q6/mizhpXR:UNSxYoY59V0redpmQR1jhpB

Score

10^/10

netsupport rat

Malware Config

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
1936	client32.exe
3788	remcmdstub.exe
2336	client32.exe

Loads dropped DLL 9 IoCs

pid	Process
1936	client32.exe
1936	client32.exe
1936	client32.exe
1936	client32.exe
1936	client32.exe
2336	client32.exe
2336	client32.exe
2336	client32.exe
2336	client32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	1220	7zG.exe
Token: 35	1220	7zG.exe
Token: SeSecurityPrivilege	1220	7zG.exe
Token: SeSecurityPrivilege	1220	7zG.exe
Token: SeSecurityPrivilege	1936	client32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1220	7zG.exe
1936	client32.exe

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,"C:\Users\Admin\AppData\Local\Temp\download (4).zip"
1⤵
PID:5096

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3104

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\" -an -ai#7zMap20398:82:7zEvent20045
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1220

C:\Users\Admin\Desktop\client32.exe
"C:\Users\Admin\Desktop\client32.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1936

C:\Users\Admin\Desktop\remcmdstub.exe
"C:\Users\Admin\Desktop\remcmdstub.exe"
1⤵
- Executes dropped EXE
PID:3788

C:\Users\Admin\Desktop\client32.exe
"C:\Users\Admin\Desktop\client32.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2336

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\Users\Admin\Desktop\NSM.LIC

Filesize
195B

MD5
e9609072de9c29dc1963be208948ba44

SHA1
03bbe27d0d1ba651ff43363587d3d6d2e170060f

SHA256
dc6a52ad6d637eb407cc060e98dfeedcca1167e7f62688fb1c18580dd1d05747

SHA512
f0e26aa63b0c7f1b31074b9d6eef88d0cfbc467f86b12205cb539a45b0352e77ce2f99f29baeab58960a197714e72289744143ba17975699d058fe75d978dfd0

Download Submit
C:\Users\Admin\Desktop\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\Users\Admin\Desktop\PCICL32.dll

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\Users\Admin\Desktop\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\Desktop\client32.ini

Filesize
670B

MD5
8684f84c76c111c4d47dd49106775030

SHA1
620a70cb5d9a4e0d10b2d86ee0ddecdaac1575b7

SHA256
c01152c4b80841f2a4900513fded183f2dbd8d7d57e84744b0ae8e6068060c37

SHA512
4c5d39ffb3bf1bc0f50aedf1b76b34cb1d47c87ed31102335280f1a48f9b289084f397a477f006999a43b7d024ada4ae020330b41888e77f8320762aabaebbf0

Download Submit
C:\Users\Admin\Desktop\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\Desktop\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
C:\Users\Admin\Desktop\remcmdstub.exe

Filesize
62KB

MD5
6fca49b85aa38ee016e39e14b9f9d6d9

SHA1
b0d689c70e91d5600ccc2a4e533ff89bf4ca388b

SHA256
fedd609a16c717db9bea3072bed41e79b564c4bc97f959208bfa52fb3c9fa814

SHA512
f9c90029ff3dea84df853db63dace97d1c835a8cf7b6a6227a5b6db4abe25e9912dfed6967a88a128d11ab584663e099bf80c50dd879242432312961c0cfe622

Download Submit