netsupport | 8075a6c09ff4c8e8637128dc8500d59fc6b2e24fcfe34b7bc782c079f10428fa

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 16:35

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General

Target

8cd067bd2a3245b62f0411ca93594b1b.exe
Size

2.0MB
MD5

8cd067bd2a3245b62f0411ca93594b1b
SHA1

8990a65174443066e7a54e03f790ba2c23459b9f
SHA256

8075a6c09ff4c8e8637128dc8500d59fc6b2e24fcfe34b7bc782c079f10428fa
SHA512

c5082fe55e18f68f56925b299913db35b5d43419087555dc1f9a866d383cbbae9ccc87d6cde7626d9dce3b3240d547342cabe448eb0a49900952fcd3738a054a
SSDEEP

49152:6YADFHzPIldt9QFm0yfR0MRhYHAoniaq01LOXLtF81U:6T6ldQyHhYbBd1L0XAU

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	8cd067bd2a3245b62f0411ca93594b1b.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	8cd067bd2a3245b62f0411ca93594b1b.exe

Executes dropped EXE 1 IoCs

pid	Process
4724	client32.exe

Loads dropped DLL 7 IoCs

pid	Process
4724	client32.exe
4724	client32.exe
4724	client32.exe
4724	client32.exe
4724	client32.exe
4724	client32.exe
4724	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	4724	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4724	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 6016 wrote to memory of 4724	6016	8cd067bd2a3245b62f0411ca93594b1b.exe	89
PID 6016 wrote to memory of 4724	6016	8cd067bd2a3245b62f0411ca93594b1b.exe	89
PID 6016 wrote to memory of 4724	6016	8cd067bd2a3245b62f0411ca93594b1b.exe	89

C:\Users\Admin\AppData\Local\Temp\8cd067bd2a3245b62f0411ca93594b1b.exe
"C:\Users\Admin\AppData\Local\Temp\8cd067bd2a3245b62f0411ca93594b1b.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:6016
- 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:4724

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
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

Filesize
586KB

MD5
caf6161eecffab1eb87298ce425ce636

SHA1
37e3460b82284c962ed3cc2bb4cda7e04dac67b7

SHA256
3c5f5179eca7d76f5fe24cad4166cad7bd4cb32c3b2870a8ec0ac4ba87cd35b9

SHA512
d4a9a50441d5ce8ec0fd84ef8c7524b7a680554f4d53242464a41d2756f03a1dd8ca56a9a0cb98004a8af4db24dd59c2e0188596cd6754d78fd07dfc58c3a964

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\PCICHEK.DLL

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

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

Filesize
618KB

MD5
ed183fc135659cf89e5dd9761ae2b60d

SHA1
0cb45db7844e42989075008dd989d05bffd8a4df

SHA256
11adcce406cba8a4642027d1690a9ed458df3bd673e56a224986f9c1412c1ee0

SHA512
984495b3d5914eb1ebc49e3c1a9fdd25b116850daeb906f93f1e387703a1c4097f56137ea0a87a466abd279aff8fd1bf5a0a5bb715c3df03e0736aecf46afefa

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

Filesize
988KB

MD5
6be1c6af09322b2c2d4e97ee7c69b34b

SHA1
1881adf8c6585193fbb0c9945fc4095f6053d97d

SHA256
f84d9e85311b96ca3665f22dce3722a3d4918950667bca75938a20f5d66a8c66

SHA512
a9c4c5c75b036a451c1d4e783f963e4173f24aa9cff65f9e9c3417967ad00510ff34a4dd5e34e65e1bd43ff16cfe82b619408bcfcca3c3691c4c4a147667cefa

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
793B

MD5
348247b5c9e5762245f79ade1b2c53fe

SHA1
283bdb541b1649da56768da106908f0935c55c56

SHA256
b2a0e55605b899eccba3e57d29b2c2a0033d27a0ad76d8202c51fa90c67507e5

SHA512
69d49a8b6ed39d822206a6df9c6967fad401341559a2a98e7ab7d302ae909886718da7d61e7809817805b3a0526c04f79cb9862ee477ba57e42f15f317f0d9cf

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

Filesize
405KB

MD5
a2fbd8bbc007534f1ec3205497573581

SHA1
8cbba3c347cd40ef92f2f8d7b537b20c63e029ab

SHA256
d422c471ef6205f675c8dd8d4fc3cbc9e0ef453f752d9e2f1d95722b3fe924c7

SHA512
01e32f9f25dadee6eca76dd3478668671e0aa35253affcef2a92c26ec2fbdfe065eabfb9a82c6d008215400b5528501a1c06edf473140a693310d18c0e47a1c4

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

Filesize
549KB

MD5
0fc43678e21adb54f7a60e0034d1f85b

SHA1
934df400dc4c483df46736f6548b59685cbe774e

SHA256
8c7945bc8651c463a48ad6a269301bd41d6df96237c2a1274925062d3d88a7c3

SHA512
f7c30daf12435c911b40a05651b001ecc4ae209272b239f9a2e7a74171f5092ae9b5ca240a955c4127fbe0481261d19a4f401e98653b3319e178d4d3cbc94604

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

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit