netsupport | 44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a

Analysis

max time kernel
145s
max time network
157s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
19-03-2024 18:53

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General

Target

44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe
Size

2.1MB
MD5

958488cca59da09a2c81910b195b0169
SHA1

023631fb4a4a370e7b9bf1294dc536306c65271b
SHA256

44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a
SHA512

b31a26ed7767cc46916904af52fc3ae1beae93f7f3f76a243c318c5704a88f58b28a5e29da655b84a20a07e6e78a0cf043b3d51f06466151b6309bcde24c56b5
SSDEEP

49152:UOKtE89tfzUSz7qqcn88R6fcHcTNe4z07scrLA:UOKDfzUS3qqq96fMEe4+ZrLA

Score

10^/10

netsupport rat

Malware Config

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autoruning.ini.lnk	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	client32.exe

Loads dropped DLL 7 IoCs

pid	Process
1984	client32.exe
1984	client32.exe
1984	client32.exe
1984	client32.exe
1984	client32.exe
1984	client32.exe
1984	client32.exe

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	1984	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1984	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1984	1708	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe	77
PID 1708 wrote to memory of 1984	1708	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe	77
PID 1708 wrote to memory of 1984	1708	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe	77

C:\Users\Admin\AppData\Local\Temp\44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe
"C:\Users\Admin\AppData\Local\Temp\44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe
  "C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\WinSupport\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

Filesize
254B

MD5
8614c2008044a081e9d26d8db1571f4a

SHA1
1b007f05c289d0b71d542520b25fe65c6b6fcbe3

SHA256
df622fc8bc605023730d3ad952d69fcbd8383ce5440d63da0df20fb139355ec9

SHA512
449244a508daaacde53078b826f7b482650acc3f61e8235fa892a737bebbecb178061d0aa1e99cd74da7885c86cebb2727d6e85384ecd68187d7e6e94f018ae9

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

Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\TCCTL32.DLL

Filesize
387KB

MD5
eab603d12705752e3d268d86dff74ed4

SHA1
01873977c871d3346d795cf7e3888685de9f0b16

SHA256
6795d760ce7a955df6c2f5a062e296128efdb8c908908eda4d666926980447ea

SHA512
77de0d9c93ccba967db70b280a85a770b3d8bea3b707b1abb037b2826b48898fec87924e1a6cce218c43478e5209e9eb9781051b4c3b450bea3cd27dbd32c7f3

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

Filesize
104KB

MD5
f76954b68cc390f8009f1a052283a740

SHA1
3112a39aad950045d6422fb2abe98bed05931e6c

SHA256
63315df7981130853d75dc753e5776bdf371811bcfce351557c1e45afdd1ebfb

SHA512
d3aea0867b488161f62e43e7c250ad3917713b8b183139fb6e06c71594fb0cec769e1494b7cc257117992ae4aa891e056f99c25431ae19f032b1ba779051a880

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

Filesize
799B

MD5
3602eb43d579dd1cdfab486144407909

SHA1
674998e54b6a26ef3032a0226c785084b128e701

SHA256
9818994c4a61d1211d212c2b1be11aae559e57c9e53013e98e8ed7d5df423ebe

SHA512
8bfcba220b0645de4528be3841a0fbc123327bf78a808ae3512db26a585e1cc62d916f6bc6c3b949fe9d069517d9e55e1c41d318d22c1125534b41362ade1e6d

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

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\pcichek.dll

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit