netsupport | hxxps://foxauthority[.]com/33[.]zip?&file=5417

Analysis

max time kernel
71s
max time network
72s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2025 17:39

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General

Target

https://foxauthority.com/33.zip?&file=5417

Score

10^/10

netsupport discovery rat

Malware Config

Signatures

NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
rat netsupport
Netsupport family
netsupport
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000_Classes\Local Settings	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1428	msedge.exe
1428	msedge.exe
436	msedge.exe
436	msedge.exe
1604	identity_helper.exe
1604	identity_helper.exe
2712	msedge.exe
2712	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1212	client32.exe

Suspicious use of FindShellTrayWindow 37 IoCs

pid	Process
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
1212	client32.exe
1212	client32.exe
1212	client32.exe

Suspicious use of SendNotifyMessage 25 IoCs

pid	Process
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
436	msedge.exe
1212	client32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 3988	436	msedge.exe	84
PID 436 wrote to memory of 3988	436	msedge.exe	84
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1292	436	msedge.exe	85
PID 436 wrote to memory of 1428	436	msedge.exe	86
PID 436 wrote to memory of 1428	436	msedge.exe	86
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87
PID 436 wrote to memory of 2920	436	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://foxauthority.com/33.zip?&file=5417
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:436
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffdc2bb46f8,0x7ffdc2bb4708,0x7ffdc2bb4718
  2⤵
  PID:3988
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2020 /prefetch:2
  2⤵
  PID:1292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2440 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1428
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2732 /prefetch:8
  2⤵
  PID:2920
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1
  2⤵
  PID:2864
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
  2⤵
  PID:728
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5236 /prefetch:1
  2⤵
  PID:4104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5280 /prefetch:1
  2⤵
  PID:3256
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5628 /prefetch:8
  2⤵
  PID:4488
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5628 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1604
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4148 /prefetch:8
  2⤵
  PID:648
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5684 /prefetch:1
  2⤵
  PID:5064
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5884 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2712
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5988 /prefetch:1
  2⤵
  PID:4500
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,1630805354082776581,3410900558475520861,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6016 /prefetch:1
  2⤵
  PID:732

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2508

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3848

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4232

C:\Users\Admin\Downloads\33\client32.exe
"C:\Users\Admin\Downloads\33\client32.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212

C:\Users\Admin\Downloads\33\client32.exe
"C:\Users\Admin\Downloads\33\client32.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
395082c6d7ec10a326236e60b79602f2

SHA1
203db9756fc9f65a0181ac49bca7f0e7e4edfb5b

SHA256
b9ea226a0a67039df83a9652b42bb7b0cc2e6fa827d55d043bc36dd9d8e4cd25

SHA512
7095c260b87a0e31ddfc5ddf5730848433dcede2672ca71091efb8c6b1b0fc3333d0540c3ce41087702c99bca22a4548f12692234188e6f457c2f75ab12316bd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
e27df0383d108b2d6cd975d1b42b1afe

SHA1
c216daa71094da3ffa15c787c41b0bc7b32ed40b

SHA256
812f547f1e22a4bd045b73ff548025fabd59c6cba0da6991fdd8cfcb32653855

SHA512
471935e26a55d26449e48d4c38933ab8c369a92d8f24fd6077131247e8d116d95aa110dd424fa6095176a6c763a6271e978766e74d8022e9cdcc11e6355408ab

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
184B

MD5
743dfa007469f7b1a8464d701a38f5ea

SHA1
606baf6d89c9c53b6900e395e11345b3082f08a8

SHA256
af105df2725d51b4fdc82838408f3f17649a4503686ce5b1c99172cde121190c

SHA512
bbf0b1e1195574bd55d5f4ca3393d33c77af2ff4d5a0c62be806c06aedb6c315e4c93b4c00bc4015e6e330ac30ae46609e710827c298c1d6d74ee5e145f514ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
28540a6a7099b77fcefac17faff30567

SHA1
e555e0faa572b4c4cb707e6b78a5d6e1736a120e

SHA256
b3a63ba5ee4269cedcc56c7952434ecc7e1cd96ccc8b2c63e0611262e05d50de

SHA512
15093829f2fd2bb9d0a721ce2cf5b11338d48b94732db3ef2ceb4285accc4a36b87835a55687402d9284312a2d0b74aad974b98d890503522e264084e55f8579

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
35935f36cdefd7aa43f3d80c2b43279a

SHA1
0166593558a424c813661618f63b17c4655db012

SHA256
55a6cb2b7798b11af8c1836a62dd120f460e8b321956bf2922d1e6c04c241434

SHA512
95b9359f3bbbb0249130e08da3f1fdfef4d309baab097f0156d30555f890b49c658e5b1ac788e6b38e8869f8b8b003208be8a0cbff87a50eb15db36074614ad8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
318f32f0819dc98c568385c5184f7585

SHA1
4284464c0531e6611028fdf1e532977f52177ed3

SHA256
83f65e4ed28645b807225232abee156560020a203f30bdc6b440ee33bf42b577

SHA512
f673d9d8c21a673247f9a4f5247d78d1164e873012e76a7b7f57e39da14c6e9b28fcc1214c97a6d6ba8c9ec94d3f25367a4f16f4a610eb165a274c08711c5131

Download Submit
C:\Users\Admin\Downloads\33.zip

Filesize
4.2MB

MD5
4f0024aa64e20c87ff32067c8b72dcda

SHA1
b0713d31c5897fd6029086ca3b206df68f168d44

SHA256
4cb757c48de4ffc738751023b5f595b0a57c78d27aa901c4dead24e6358d75c8

SHA512
1bd0d9b924f36a4ffa3de0f5a8ec4814d2258f9741c1abe96134913cf7b20a0936e9cb621eacf36e50353225c97d7ab9912a98078a6343573b411fb049b74869

Download Submit