netsupport | 1104e75f6b1835efc9dd8454058d43b89fca854fb649fbb2716af104a00311b9

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 11:55

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General

Target
897278b44d8712024391903867a5ef44.exe
Size 2.0MB
Sample240202-n3fjnafcgl
SHA256 1104e75f6b1835efc9dd8454058d43b89fca854fb649fbb2716af104a00311b9
MD5 897278b44d8712024391903867a5ef44
SHA1 198e468a48c54ca5c5ba90b17181c0f77d970c52
SHA512 3f014f91754dd68f2060c155c42dc7f863f5f24f6e8c0759ba728f7e2245cfcec3e5613b261b3339a62d5e192b508baffea5b1e2cc5dd6be2bd0e60b61d54e6a
SSDEEP 49152:e3mPjL9f3YkubCggt+k0F6eYClIKzEWHoimigmkVV:e3mf9/YPbfrkI6e1VzEWHoiLgmk7
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	897278b44d8712024391903867a5ef44.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	897278b44d8712024391903867a5ef44.exe

Executes dropped EXE 1 IoCs

pid	Process
4996	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
4996	client32.exe
4996	client32.exe
4996	client32.exe
4996	client32.exe
4996	client32.exe
4996	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	4996	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4996	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 4996	3412	897278b44d8712024391903867a5ef44.exe	84
PID 3412 wrote to memory of 4996	3412	897278b44d8712024391903867a5ef44.exe	84
PID 3412 wrote to memory of 4996	3412	897278b44d8712024391903867a5ef44.exe	84

C:\Users\Admin\AppData\Local\Temp\897278b44d8712024391903867a5ef44.exe
"C:\Users\Admin\AppData\Local\Temp\897278b44d8712024391903867a5ef44.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3412
- 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:4996

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

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Downloads

HTCTL32.DLL

Path C:\Users\Admin\AppData\Roaming\WinSupport\HTCTL32.DLL
Size 320KB
SHA256 edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796
MD5 2d3b207c8a48148296156e5725426c7f
SHA1 ad464eb7cf5c19c8a443ab5b590440b32dbc618f
SHA512 55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c
SSDEEP 6144:2ib5YbsXPKXd6ppGpwpbGf30IVFpSzyaHx3/4aY5dUilQpAf84lH0JYBAnM1OK/Y:2ib5YbsXioEgULFpSzya9/lY5SilQCfg
MD5 SHA1 SHA512 SSDEEP

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NSM.LIC

Path C:\Users\Admin\AppData\Roaming\WinSupport\NSM.LIC
Size 254B
SHA256 df622fc8bc605023730d3ad952d69fcbd8383ce5440d63da0df20fb139355ec9
MD5 8614c2008044a081e9d26d8db1571f4a
SHA1 1b007f05c289d0b71d542520b25fe65c6b6fcbe3
SHA512 449244a508daaacde53078b826f7b482650acc3f61e8235fa892a737bebbecb178061d0aa1e99cd74da7885c86cebb2727d6e85384ecd68187d7e6e94f018ae9
MD5 SHA1 SHA512

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PCICL32.dll

Path C:\Users\Admin\AppData\Roaming\WinSupport\PCICL32.dll
Size 3.6MB
SHA256 63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8
MD5 00587238d16012152c2e951a087f2cc9
SHA1 c4e27a43075ce993ff6bb033360af386b2fc58ff
SHA512 637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226
SSDEEP 49152:cTXNZ+0ci2aYNT8wstdAukudJ1xTvIZamclSp+73mPu:cTXNo0cpKwstTJIkS43mm
MD5 SHA1 SHA512 SSDEEP

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TCCTL32.DLL

Path C:\Users\Admin\AppData\Roaming\WinSupport\TCCTL32.DLL
Size 387KB
SHA256 6795d760ce7a955df6c2f5a062e296128efdb8c908908eda4d666926980447ea
MD5 eab603d12705752e3d268d86dff74ed4
SHA1 01873977c871d3346d795cf7e3888685de9f0b16
SHA512 77de0d9c93ccba967db70b280a85a770b3d8bea3b707b1abb037b2826b48898fec87924e1a6cce218c43478e5209e9eb9781051b4c3b450bea3cd27dbd32c7f3
SSDEEP 12288:OpwbUb48Ju0LIFZB4Qaza4yFaMHAZtJ4Yew2j/bJa+neNQ:epq7BaGIn4BbLneNQ
MD5 SHA1 SHA512 SSDEEP

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client32.exe

Path C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe
Size 104KB
SHA256 63315df7981130853d75dc753e5776bdf371811bcfce351557c1e45afdd1ebfb
MD5 f76954b68cc390f8009f1a052283a740
SHA1 3112a39aad950045d6422fb2abe98bed05931e6c
SHA512 d3aea0867b488161f62e43e7c250ad3917713b8b183139fb6e06c71594fb0cec769e1494b7cc257117992ae4aa891e056f99c25431ae19f032b1ba779051a880
SSDEEP 384:qkhNAEVV5+6j6Qa86Fkv2Wr120hZl4gtV5ttV2ikB:qwRVVZl6FhWr80/WgtV7tV2ikB
MD5 SHA1 SHA512 SSDEEP

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client32.ini

Path C:\Users\Admin\AppData\Roaming\WinSupport\client32.ini
Size 794B
SHA256 148b6762e0599abf5413f10a4acea4e5d15125614420da73f4853f8882eaefee
MD5 3e1091fb68b2eaab01c9f9eda3ade904
SHA1 538b61edb240fccec0916660b2c799b3f446f1f3
SHA512 880cf5212cc44444ea3796384d9636bec0dae4af4257eb6678119fbaf90f115ef8b772bb46d6a9ee934756dc47af11aba9b2d23a8a28a723cad14929e3c981be
MD5 SHA1 SHA512

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msvcr100.dll

Path C:\Users\Admin\AppData\Roaming\WinSupport\msvcr100.dll
Size 755KB
SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
MD5 0e37fbfa79d349d672456923ec5fbbe3
SHA1 4e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA512 2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
SSDEEP 12288:nMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BVoe3z:MmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV7z
MD5 SHA1 SHA512 SSDEEP

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pcicapi.dll

Path C:\Users\Admin\AppData\Roaming\WinSupport\pcicapi.dll
Size 32KB
SHA256 9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917
MD5 dcde2248d19c778a41aa165866dd52d0
SHA1 7ec84be84fe23f0b0093b647538737e1f19ebb03
SHA512 c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166
SSDEEP 768:FFvNhAyi5hHA448qZkSn+EgT8To1iTYiu:FCyoHA448qSSzgI2GQ
MD5 SHA1 SHA512 SSDEEP

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pcichek.dll

Path C:\Users\Admin\AppData\Roaming\WinSupport\pcichek.dll
Size 18KB
SHA256 313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a
MD5 a0b9388c5f18e27266a31f8c5765b263
SHA1 906f7e94f841d464d4da144f7c858fa2160e36db
SHA512 6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd
SSDEEP 192:1ANeiOT8Z2b6SoVF6RRHaPrpF3o47jtd3hfwHjvud3hfwx7bjuh:1ANt+E2exrpxTSDuTuih
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads