netsupport | 44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a

Analysis

max time kernel
147s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe

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
1260	client32.exe

Loads dropped DLL 7 IoCs

pid	Process
1260	client32.exe
1260	client32.exe
1260	client32.exe
1260	client32.exe
1260	client32.exe
1260	client32.exe
1260	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	1260	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1260	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 1260	4048	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe	91
PID 4048 wrote to memory of 1260	4048	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe	91
PID 4048 wrote to memory of 1260	4048	44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe	91

C:\Users\Admin\AppData\Local\Temp\44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe
"C:\Users\Admin\AppData\Local\Temp\44e3e3cdc7c3176877f86b8c17ab8b998dbcb618a1d57610e1c5960a0210257a.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4048
- 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:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\Roaming\WinSupport\HTCTL32.DLL

Filesize
14KB

MD5
bf9a95b3b672df03b503bf47aab6bd5b

SHA1
49e27bbc6332e91d3ca969e84e7aa9778e5f177c

SHA256
4522ad8a5fa445fc9c9cbc929f5f4b072d6321c9c098b934f985ce853009b3d6

SHA512
5d0266bff164d69e03769ec8b1e0a1a7092bce6666883a8cb5a0dc83d4cf411e31ba44dc643e580002ecac4edeef9c69870aba5f1da1a8cc35054e56196eafbc

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
2.7MB

MD5
758c24b8ad2fba5240f52e83fec888d1

SHA1
75a4314765eac32405f1c5e5f338a3efdb7e9dbf

SHA256
9241cac5750454f6b6d2a9cf002d9223a3eff813731a053cffa6d653dfec0e08

SHA512
63697267554519c504477980bb03f35b057147f0685273098742b714e3393635cabbf9d65962a47832cb3267f32a6daa7f1e6f433be07512c71d78aeeec2bc1c

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

Filesize
256KB

MD5
977f838bac6f9aa98b11db7b30d77f84

SHA1
10b1fe2bbda311bc9723fd818f3bfbb6a5aab712

SHA256
671bc81ef196f4718e37ec78f22dfbb55d5629fd7889facf81aaf64b23056d31

SHA512
ce4892e9bab9c09a1b02d0949c01423f65a7706832b095bf27492ab307c91ba3c0447f5ec90deb78e01b9911c18baaee90931d912f02e2bd4747b5b7acea576b

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