netsupport | 8d76fd3a85e5ed34c65b358c92f2f7fb7454c3417131ef156e6f33d01463d4ee

Resubmissions

22-03-2023 16:49

230322-vbydqaca4v 10

Analysis

max time kernel
95s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2023 16:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

invoice.txt.ps1
Size

2.8MB
MD5

a916869f41b3aada64fa6ef5adf38bf3
SHA1

cf899f8bd138c77f7db36ed334d6db4e88e4f5ac
SHA256

8d76fd3a85e5ed34c65b358c92f2f7fb7454c3417131ef156e6f33d01463d4ee
SHA512

a303dbcb42732a4f7818c7abcdabc0ce68a291306073f44178d1c5da7b3825a6ce7aa2094ebc8989ef00fe394da85da21038e8472fbe6bf9e212d6237ca39724
SSDEEP

49152:lO+AAoPeH7UjX4Rsqmoe6UDsfSl97xH69WbZtar:T

Score

10^/10

netsupport persistence 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:

whost.exe

pid process

4236 whost.exe
Loads dropped DLL 6 IoCs

Processes:

whost.exe

pid process

4236 whost.exe
4236 whost.exe
4236 whost.exe
4236 whost.exe
4236 whost.exe
4236 whost.exe

pid	process
4236	whost.exe

pid	process
4236	whost.exe
4236	whost.exe
4236	whost.exe
4236	whost.exe
4236	whost.exe
4236	whost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ExpirienceHost = "C:\\Users\\Admin\\AppData\\Roaming\\ZvpSsLatFjr1\\whost.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

1404 powershell.exe
1404 powershell.exe
3004 powershell.exe
3004 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exewhost.exe

description pid process

Token: SeDebugPrivilege 1404 powershell.exe
Token: SeDebugPrivilege 3004 powershell.exe
Token: SeSecurityPrivilege 4236 whost.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

whost.exe

pid process

4236 whost.exe
4236 whost.exe
4236 whost.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

whost.exe

pid process

4236 whost.exe

pid	process
1404	powershell.exe
1404	powershell.exe
3004	powershell.exe
3004	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1404	powershell.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeSecurityPrivilege	4236	whost.exe

pid	process
4236	whost.exe
4236	whost.exe
4236	whost.exe

pid	process
4236	whost.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 1404 wrote to memory of 3004	1404	powershell.exe	powershell.exe
PID 1404 wrote to memory of 3004	1404	powershell.exe	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\invoice.txt.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Run" -Name ExpirienceHost -Value ""C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\whost.exe""
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3004

C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\whost.exe
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\whost.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4236

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
d6ca57a0b3d565156f3c053e1c0743b6

SHA1
bf9251134a1e54956fd943969588382917d7b2f6

SHA256
35f9a5113cfed3fe3df6f0d5ef92c573e70d4aadc61b556973974d3f90d0b855

SHA512
aa891c80594b815e065601891656cef0996a1f8507dadec3381b33cb479a5921877b94da08b88dba6b7b2b6e9628458b592969cd2e4d36ad295264244fe5790d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wuj5ydji.omy.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\HTCTL32.DLL
Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\HTCTL32.DLL
Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\MSVCR100.dll
Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\NSM.LIC
Filesize
257B

MD5
390c964070626a64888d385c514f568e

SHA1
a556209655dcb5e939fd404f57d199f2bb6da9b3

SHA256
ad0d05305fdeb3736c1e8d49c3a6746073d27b4703eb6de6589bdc4aa72d7b54

SHA512
f089c59a24f33410cf98fba7ea0dd2ca0fd997efc9a03e5355cde3c1a1f4a78b13cebd387099b9de824bffea01c489d8f0e90df56f89973007dabb6afdde607f

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\PCICHEK.DLL
Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\PCICL32.DLL
Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\PCICL32.dll
Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\client32.ini
Filesize
951B

MD5
c158ed2f4534588c80da00189e30b61b

SHA1
97b37e0c1d3e9cdf400fcc7d22ee1a3c0204c3e9

SHA256
63ccaf9d8a46c2080a9e1865989281c63a1aad4915cf892154eff79acafe87d4

SHA512
e912855566daf20fec22cd52d943e69dcce0b009a57b1f599879b64c54b1d86660f23aa2973b62947c0bd8a7f4e41cd03d86297b4e399ada6de1fbd705a699a9

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\msvcr100.dll
Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\msvcr100.dll
Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\pcicapi.dll
Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\pcicapi.dll
Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\pcichek.dll
Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\remcmdstub.exe
Filesize
75KB

MD5
325b65f171513086438952a152a747c4

SHA1
a1d1c397902ff15c4929a03d582b09b35aa70fc0

SHA256
26dbb528c270c812423c3359fc54d13c52d459cc0e8bc9b0d192725eda34e534

SHA512
6829555ab3851064c3aad2d0c121077db0260790b95bf087b77990a040febd35b8b286f1593dccaa81b24395bd437f5add02037418fd5c9c8c78dc0989a9a10d

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\whost.exe
Filesize
117KB

MD5
c0eb3eac96511077dafc0afa64c6388c

SHA1
33e81f25493eda3bbf0b7cdcddd523547fa6c31e

SHA256
eec4f18f3655f7eab0c08783ad42d2b3ce3ef21ecad7394e165f11acdb41c42a

SHA512
2632bef55323d9a272e1519e2b2792527d28cbd9fe6a9f9d253e5729978be0de6f36b8e3b2acee70449ba22a33efb41c82c82afe19dad14698b3ada0006ca7fc

Download Submit
C:\Users\Admin\AppData\Roaming\ZvpSsLatFjr1\whost.exe
Filesize
117KB

MD5
c0eb3eac96511077dafc0afa64c6388c

SHA1
33e81f25493eda3bbf0b7cdcddd523547fa6c31e

SHA256
eec4f18f3655f7eab0c08783ad42d2b3ce3ef21ecad7394e165f11acdb41c42a

SHA512
2632bef55323d9a272e1519e2b2792527d28cbd9fe6a9f9d253e5729978be0de6f36b8e3b2acee70449ba22a33efb41c82c82afe19dad14698b3ada0006ca7fc

Download Submit
memory/1404-148-0x0000019F50A50000-0x0000019F50A62000-memory.dmp

Filesize
72KB

Download
memory/1404-147-0x0000019F4D9F0000-0x0000019F4D9FA000-memory.dmp

Filesize
40KB

Download
memory/1404-145-0x0000019F4DA20000-0x0000019F4DA30000-memory.dmp

Filesize
64KB

Download
memory/1404-144-0x0000019F4DA20000-0x0000019F4DA30000-memory.dmp

Filesize
64KB

Download
memory/1404-143-0x0000019F4DA20000-0x0000019F4DA30000-memory.dmp

Filesize
64KB

Download
memory/1404-142-0x0000019F50820000-0x0000019F50842000-memory.dmp

Filesize
136KB

Download
memory/3004-177-0x000001FB8CAD0000-0x000001FB8CAE0000-memory.dmp

Filesize
64KB

Download
memory/3004-176-0x000001FB8CAD0000-0x000001FB8CAE0000-memory.dmp

Filesize
64KB

Download