netsupport | d88b08d7811ea62dcedcbd7f6e881c8a002ec1f30979d5a99d6d7b549fe8d2b4

Analysis

max time kernel
61s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2023, 12:45

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General

Target

dc137d47c0de9a27ba75ddc156fad172.exe
Size

2.3MB
MD5

dc137d47c0de9a27ba75ddc156fad172
SHA1

5accf290472b61f4a835b8aec0845fc94e99f034
SHA256

d88b08d7811ea62dcedcbd7f6e881c8a002ec1f30979d5a99d6d7b549fe8d2b4
SHA512

4869905d68f2fc5530ce9d44486b6bb325637ff836339e7c7b994f896537d0c9bd8441065606bfb26f5b41385826f356da3a32153db1367a4e00dace9be263d4
SSDEEP

49152:py9rkEf91MJKI3aTP6p3xkGAGoCIcVKddqmtJ7xzxWLZ4H:pyhkkPEKIQUXAEI9qmtnx7

Score

10^/10

netsupport rat

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4392	client32.exe

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	dc137d47c0de9a27ba75ddc156fad172.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autorunnow2023.ini.lnk	dc137d47c0de9a27ba75ddc156fad172.exe

Loads dropped DLL 5 IoCs

pid	Process
4392	client32.exe
4392	client32.exe
4392	client32.exe
4392	client32.exe
4392	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

description	pid	Process
Token: SeSecurityPrivilege	4392	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4392	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 4392	2484	dc137d47c0de9a27ba75ddc156fad172.exe	82
PID 2484 wrote to memory of 4392	2484	dc137d47c0de9a27ba75ddc156fad172.exe	82
PID 2484 wrote to memory of 4392	2484	dc137d47c0de9a27ba75ddc156fad172.exe	82

C:\Users\Admin\AppData\Local\Temp\dc137d47c0de9a27ba75ddc156fad172.exe
"C:\Users\Admin\AppData\Local\Temp\dc137d47c0de9a27ba75ddc156fad172.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2484
- 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:4392

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.ini

Filesize
944B

MD5
b82558a55c408a97fdda8d3e8499ab7b

SHA1
57c4f260987d9094d29291d43d9111cd07eab816

SHA256
5d1c2c1c7856bac7dc0fd54cf269a1813117984d9a73bcd0b277a4593cb0746b

SHA512
bf4a4ba1b954f19da330eb090e8f5245206d55ac1ab4f70d5126cb05436fee04b11fd0c969818e51f9f55fb1037c39df592642d646f4aad4a6b1841992b0082a

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