netsupport | 35774bb1a084ba481f16c1c1a69e2d4fd489dcb4fc85c06b6dff01f11efe6d37

Analysis

max time kernel
144s
max time network
142s
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

1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe
Size

2.1MB
MD5

310eb005787e74125cfd19988396e36e
SHA1

4e59dac1c9873b6218bb55e95f26ac33ef05f140
SHA256

1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb
SHA512

1fb5e1781b3835b2ebd19d671c12433881d0ab6116983a169317456a47b02ddae74c87c3268729e59da26fff87406e60b2ccde0c27363c97c8132ecaa0eabbbd
SSDEEP

49152:ETHPKCtf0EkHbG+c6cjeroadWogH6wW5eLkDwC6Gtu:ETiCtfsc2rECe+7u

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:

1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe

Drops startup file 1 IoCs

Processes:

1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autorunnow2023.ini.lnk	1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe

Executes dropped EXE 1 IoCs

Processes:

client32.exe

pid process

116 client32.exe
Loads dropped DLL 5 IoCs

Processes:

client32.exe

pid process

116 client32.exe
116 client32.exe
116 client32.exe
116 client32.exe
116 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 116 client32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

client32.exe

pid process

116 client32.exe

pid	process
116	client32.exe

pid	process
116	client32.exe
116	client32.exe
116	client32.exe
116	client32.exe
116	client32.exe

description	pid	process
Token: SeSecurityPrivilege	116	client32.exe

pid	process
116	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe

description	pid	process	target process
PID 3500 wrote to memory of 116	3500	1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe	client32.exe
PID 3500 wrote to memory of 116	3500	1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe	client32.exe
PID 3500 wrote to memory of 116	3500	1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe	client32.exe

C:\Users\Admin\AppData\Local\Temp\1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe
"C:\Users\Admin\AppData\Local\Temp\1d3205c80e2291cd3a290a06cb42d5ff80f3b2e4a25c6efe2eddc509b0675dfb.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3500

C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\client32.exe
"C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\client32.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:116

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\SupWinUpdate_2023\HTCTL32.DLL

Filesize
299KB

MD5
369388ac78ca4ca8a64219cf9aafad4c

SHA1
dfa6c01c55ac799f041c65df9a35aba8cf0d8c2d

SHA256
c76ee648639406c81469772311c39b46042bf1b91e47d9201908f3cf70407f30

SHA512
7d090f033ffc48b870d692877f3804a69dcb1ff61b96936f1ab77bf42b156839bfd787c387bc7d642c732868e3dcd8c0ff3b319f057c0157b5afc6843b302bc5

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\HTCTL32.DLL

Filesize
299KB

MD5
369388ac78ca4ca8a64219cf9aafad4c

SHA1
dfa6c01c55ac799f041c65df9a35aba8cf0d8c2d

SHA256
c76ee648639406c81469772311c39b46042bf1b91e47d9201908f3cf70407f30

SHA512
7d090f033ffc48b870d692877f3804a69dcb1ff61b96936f1ab77bf42b156839bfd787c387bc7d642c732868e3dcd8c0ff3b319f057c0157b5afc6843b302bc5

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\NSM.LIC

Filesize
258B

MD5
113ffa5964cfed7f6ff134323154689b

SHA1
417c62ef8c4a8408476d91e6f2cad540d948bff9

SHA256
432e7638a9d18866a6bac6968ef5aef0da3719cb44dd39b741bfecd5dc9ed7ff

SHA512
a686e789ef8ae4372353eae5a2ecaf2b7da27f815678c9148536ced1029bb0ae5da7267d01c62ce5c0145574b35a8dd31477cee1c20106be4bd51eafce96c6b9

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\PCICAPI.dll

Filesize
100KB

MD5
f0d7d2a77eee2b3146405d3ad0d56230

SHA1
37c323faf58584606ee5847cb9a25346c588f78f

SHA256
f043653ab1b8fbe5a33922df5b4fb46797e9694e5fcee807b97cc6aaef650131

SHA512
861258b5b97665f649437fd25aadc5dc66e5bc5a87d7482300f9931810f0d89d0ed9c01890cd038daa7c6d2f1850a3208fc20b3c1dc2e588c7688e228a4baade

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\PCICHEK.DLL

Filesize
8KB

MD5
07b474ab5c503f35873b94cd48d01592

SHA1
e6f699d6c021d9d434cc6a4e68516c4c2ac80ddc

SHA256
c8911c298f860de85037f8634e8539627f5a1c13b1fffe5568d63612e29b9cd4

SHA512
a995b0d1fba6e99dd89afbf5161efc18b0268c001c27155876e642abc8639f79c2c320530039cfa5ec9f6ca10e1d716060b0fb86414245f578f920f11c9bbbc8

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\PCICL32.DLL

Filesize
3.3MB

MD5
1274cca13cc5e37ca94d35e5b0673e89

SHA1
a8754c94f88273c304bc45a5afd61a383bb52117

SHA256
cd5510c8bc7ea60be77ad4aab502ee02d871bf4e917aeeb6921c20eebd9693dd

SHA512
52eafa31ee942dc92d0b8f52c12206f6abc1d5fae799b37b371e97c38ce66bd0693263de86b4880748ba1405054701288caf2cd00cd327edc164e1390cf9191c

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\PCICL32.dll

Filesize
3.3MB

MD5
1274cca13cc5e37ca94d35e5b0673e89

SHA1
a8754c94f88273c304bc45a5afd61a383bb52117

SHA256
cd5510c8bc7ea60be77ad4aab502ee02d871bf4e917aeeb6921c20eebd9693dd

SHA512
52eafa31ee942dc92d0b8f52c12206f6abc1d5fae799b37b371e97c38ce66bd0693263de86b4880748ba1405054701288caf2cd00cd327edc164e1390cf9191c

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\client32.ini

Filesize
930B

MD5
b4fc3410e50a6c2ae4ede489ae44a270

SHA1
a447845900a3b4b2937af39013c8955e60189584

SHA256
046db29fa08a6ac906952fb5b2bcc04b25c82b87fc889050d0e4adc868d75247

SHA512
e8d6cf3614528c3959e313c6312f0615b2f252e0e379016a09ff605fa1643a57c40d4ce01d6c803b37469b45b8a08e18371f6405f19cd12d26be3db2da992f47

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\pcicapi.dll

Filesize
100KB

MD5
f0d7d2a77eee2b3146405d3ad0d56230

SHA1
37c323faf58584606ee5847cb9a25346c588f78f

SHA256
f043653ab1b8fbe5a33922df5b4fb46797e9694e5fcee807b97cc6aaef650131

SHA512
861258b5b97665f649437fd25aadc5dc66e5bc5a87d7482300f9931810f0d89d0ed9c01890cd038daa7c6d2f1850a3208fc20b3c1dc2e588c7688e228a4baade

Download Submit
C:\Users\Admin\AppData\Roaming\SupWinUpdate_2023\pcichek.dll

Filesize
8KB

MD5
07b474ab5c503f35873b94cd48d01592

SHA1
e6f699d6c021d9d434cc6a4e68516c4c2ac80ddc

SHA256
c8911c298f860de85037f8634e8539627f5a1c13b1fffe5568d63612e29b9cd4

SHA512
a995b0d1fba6e99dd89afbf5161efc18b0268c001c27155876e642abc8639f79c2c320530039cfa5ec9f6ca10e1d716060b0fb86414245f578f920f11c9bbbc8

Download Submit