netsupport | 14072a3c84df1196b77f73565c0e0c26760cba4f83eeee2c654fc6a5925174e0

Analysis

max time kernel
135s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 14:40

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General

Target

8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe
Size

2.3MB
MD5

2344df683dc8295da9e132d132083a26
SHA1

de94138ee8c7724089ef9faa80b8453c0b3986a3
SHA256

8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c
SHA512

83a5270c189a78fd6415488a01c16010e944b17ad23f42cc31d1d19f0e4bdece27e10cf385affe4e3eca61ebb273690824de0c18a119b59409d77d21b31c3486
SSDEEP

49152:5ypEkkYclR4EpZeJyKn20ZvtV4RuK52Z+bm9pg6tUywG6EjXpp/7:5vkJclR4oeJy2NNt+Jpbm9aOOOr/7

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

Processes:

8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe

Drops startup file 1 IoCs

Processes:

8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autorunins_2022.ini.lnk	8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe

Executes dropped EXE 1 IoCs

Processes:

client32.exe

pid process

4588 client32.exe
Loads dropped DLL 6 IoCs

Processes:

client32.exe

pid process

4588 client32.exe
4588 client32.exe
4588 client32.exe
4588 client32.exe
4588 client32.exe
4588 client32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

client32.exe

description pid process

Token: SeSecurityPrivilege 4588 client32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

client32.exe

pid process

4588 client32.exe

pid	process
4588	client32.exe

pid	process
4588	client32.exe
4588	client32.exe
4588	client32.exe
4588	client32.exe
4588	client32.exe
4588	client32.exe

description	pid	process
Token: SeSecurityPrivilege	4588	client32.exe

pid	process
4588	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe

description	pid	process	target process
PID 1532 wrote to memory of 4588	1532	8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe	client32.exe
PID 1532 wrote to memory of 4588	1532	8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe	client32.exe
PID 1532 wrote to memory of 4588	1532	8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe	client32.exe

C:\Users\Admin\AppData\Local\Temp\8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe
"C:\Users\Admin\AppData\Local\Temp\8ec96a074255b7e90ae95d772c3b89e23289958eec3649ee26ca4071b3e66e9c.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1532

C:\Users\Admin\AppData\Roaming\WinUpdate_2022\client32.exe
"C:\Users\Admin\AppData\Roaming\WinUpdate_2022\client32.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4588

Network

MITRE ATT&CK Enterprise v6

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\WinUpdate_2022\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\NSM.LIC

Filesize
259B

MD5
6b5215aa2cf4128127b390c5bcb90ce7

SHA1
100b116bae562f066f61cc5f0b339d466f90e0ff

SHA256
99dfc0b55bf27abc581f37c914ed0ca0522ad9f9685b3e4f73079e87ebbdbcba

SHA512
98ce6521c46880ee8e98796fc4e712f9e858201ca89a352884d7b0325b43d6e2de2c0a87ba504db5c9409aa699e91e26e616e285e26543388c6395696b6daa5c

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\PCICHEK.DLL

Filesize
31KB

MD5
d6fcd63035d9b341c7e165e6e553d3cc

SHA1
3101fef674479b8b63da592d6b8feebfce7fd503

SHA256
265623112eafca985d5acd9db3b5f9e00b39cc1f15cdd5b181d3eb0d413b97de

SHA512
e7136af44c3a69126517046fb36fed38f0c396d2a0a43c00feee3438125b38f91efa6d5e2ba18750924a35431b347f30b71382a9549d24c397f8c5871d50aef3

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\PCICL32.DLL

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\PCICL32.dll

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\client32.ini

Filesize
971B

MD5
5887b18cef1c7bd6af30ac2e1f5a80ab

SHA1
5a25aa37c731ef2299ddb4db9674e12ac710a983

SHA256
1b9240e64cbdb8bf01a8585b42df4ca724b3943c4e8135d216ec719c9087778f

SHA512
fa4ec439fc8b6c30203637d2d880fe9ea3b72901bddee6883fb42a50070fa6cfb111e2132e35623fa7bca395a37c06fd1863831cf5e67e491caebb47fbf633d6

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\pcicapi.dll

Filesize
48KB

MD5
d3d2829d36586278c2bcb3f547d6e849

SHA1
72d9fd2397310de717b2bde13ea1483d9eb9af02

SHA256
ae84394ac568c590225d4470ed1a94be94240cbccb3c2b985bdfc4686d8afac8

SHA512
dd16e46e83e455c1b2a1c106926851ad289d5c83c1ee94630ee0457c0793c9a8a7ab3d37d64b978a3c8057ed9eceae2fae56ac97b39b3b5172f8472fbb49973c

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\pcicapi.dll

Filesize
48KB

MD5
d3d2829d36586278c2bcb3f547d6e849

SHA1
72d9fd2397310de717b2bde13ea1483d9eb9af02

SHA256
ae84394ac568c590225d4470ed1a94be94240cbccb3c2b985bdfc4686d8afac8

SHA512
dd16e46e83e455c1b2a1c106926851ad289d5c83c1ee94630ee0457c0793c9a8a7ab3d37d64b978a3c8057ed9eceae2fae56ac97b39b3b5172f8472fbb49973c

Download Submit
C:\Users\Admin\AppData\Roaming\WinUpdate_2022\pcichek.dll

Filesize
31KB

MD5
d6fcd63035d9b341c7e165e6e553d3cc

SHA1
3101fef674479b8b63da592d6b8feebfce7fd503

SHA256
265623112eafca985d5acd9db3b5f9e00b39cc1f15cdd5b181d3eb0d413b97de

SHA512
e7136af44c3a69126517046fb36fed38f0c396d2a0a43c00feee3438125b38f91efa6d5e2ba18750924a35431b347f30b71382a9549d24c397f8c5871d50aef3

Download Submit