netsupport | 2a5fca8d310762025258bd25a2e649dab6b50dfbd7c05859be9a957dd8e1eb62

Analysis

max time kernel
11s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
22-04-2021 10:06

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General

Target

E7CDAC63F115D65DC37CC439173C76E0.exe
Size

2.0MB
MD5

e7cdac63f115d65dc37cc439173c76e0
SHA1

4f416527e9ab989f91430e5c37f41a2aebf2bc8b
SHA256

2a5fca8d310762025258bd25a2e649dab6b50dfbd7c05859be9a957dd8e1eb62
SHA512

a864a018d3d69feaad235f8561992228828974e3877036f88de2b1ebb10ac4ec756b406eb039e9771ea9151a0cd213571a2cff03dfab5bd00d87f07ba15bbd1b

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

Processes:

client32.exe

pid process

1524 client32.exe

pid	process
1524	client32.exe

Drops startup file 1 IoCs

Processes:

E7CDAC63F115D65DC37CC439173C76E0.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autoruning.ini.lnk	E7CDAC63F115D65DC37CC439173C76E0.exe

Loads dropped DLL 7 IoCs

Processes:

client32.exe

pid process

1524 client32.exe
1524 client32.exe
1524 client32.exe
1524 client32.exe
1524 client32.exe
1524 client32.exe
1524 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 1524 client32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

client32.exe

pid process

1524 client32.exe

pid	process
1524	client32.exe
1524	client32.exe
1524	client32.exe
1524	client32.exe
1524	client32.exe
1524	client32.exe
1524	client32.exe

description	pid	process
Token: SeSecurityPrivilege	1524	client32.exe

pid	process
1524	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

E7CDAC63F115D65DC37CC439173C76E0.exe

description	pid	process	target process
PID 4056 wrote to memory of 1524	4056	E7CDAC63F115D65DC37CC439173C76E0.exe	client32.exe
PID 4056 wrote to memory of 1524	4056	E7CDAC63F115D65DC37CC439173C76E0.exe	client32.exe
PID 4056 wrote to memory of 1524	4056	E7CDAC63F115D65DC37CC439173C76E0.exe	client32.exe

C:\Users\Admin\AppData\Local\Temp\E7CDAC63F115D65DC37CC439173C76E0.exe
"C:\Users\Admin\AppData\Local\Temp\E7CDAC63F115D65DC37CC439173C76E0.exe"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4056

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:1524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\WinSupport\HTCTL32.DLL
MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\MSVCR100.dll
MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\NSM.LIC
MD5
8614c2008044a081e9d26d8db1571f4a

SHA1
1b007f05c289d0b71d542520b25fe65c6b6fcbe3

SHA256
df622fc8bc605023730d3ad952d69fcbd8383ce5440d63da0df20fb139355ec9

SHA512
449244a508daaacde53078b826f7b482650acc3f61e8235fa892a737bebbecb178061d0aa1e99cd74da7885c86cebb2727d6e85384ecd68187d7e6e94f018ae9

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\PCICL32.dll
MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\TCCTL32.DLL
MD5
eab603d12705752e3d268d86dff74ed4

SHA1
01873977c871d3346d795cf7e3888685de9f0b16

SHA256
6795d760ce7a955df6c2f5a062e296128efdb8c908908eda4d666926980447ea

SHA512
77de0d9c93ccba967db70b280a85a770b3d8bea3b707b1abb037b2826b48898fec87924e1a6cce218c43478e5209e9eb9781051b4c3b450bea3cd27dbd32c7f3

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe
MD5
f76954b68cc390f8009f1a052283a740

SHA1
3112a39aad950045d6422fb2abe98bed05931e6c

SHA256
63315df7981130853d75dc753e5776bdf371811bcfce351557c1e45afdd1ebfb

SHA512
d3aea0867b488161f62e43e7c250ad3917713b8b183139fb6e06c71594fb0cec769e1494b7cc257117992ae4aa891e056f99c25431ae19f032b1ba779051a880

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe
MD5
f76954b68cc390f8009f1a052283a740

SHA1
3112a39aad950045d6422fb2abe98bed05931e6c

SHA256
63315df7981130853d75dc753e5776bdf371811bcfce351557c1e45afdd1ebfb

SHA512
d3aea0867b488161f62e43e7c250ad3917713b8b183139fb6e06c71594fb0cec769e1494b7cc257117992ae4aa891e056f99c25431ae19f032b1ba779051a880

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\client32.ini
MD5
22697787b15c642f21b346f0e61a6412

SHA1
8bcc0e6917d35099e3c89dfd70d6a49aa7c673cc

SHA256
db76fc7469ab743e708dbcbac16caf3f984e92cd419dd81efc2ce271f97c06a6

SHA512
46a265a844eb01d2186184f7815de1e96d95e1b202371758f0b3da1583c20b38c7b4134be25adcd52d89ce39242d8f5126c566fe3b71770a057aa61c8afae0ef

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\pcicapi.dll
MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Roaming\WinSupport\pcichek.dll
MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\HTCTL32.DLL
MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\PCICHEK.DLL
MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\PCICL32.DLL
MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\TCCTL32.DLL
MD5
eab603d12705752e3d268d86dff74ed4

SHA1
01873977c871d3346d795cf7e3888685de9f0b16

SHA256
6795d760ce7a955df6c2f5a062e296128efdb8c908908eda4d666926980447ea

SHA512
77de0d9c93ccba967db70b280a85a770b3d8bea3b707b1abb037b2826b48898fec87924e1a6cce218c43478e5209e9eb9781051b4c3b450bea3cd27dbd32c7f3

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\msvcr100.dll
MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\msvcr100.dll
MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
\Users\Admin\AppData\Roaming\WinSupport\pcicapi.dll
MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
memory/1524-114-0x0000000000000000-mapping.dmp

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