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

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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

pid	Process
4236	whost.exe

Loads dropped DLL 6 IoCs

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

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

pid	Process
1404	powershell.exe
1404	powershell.exe
3004	powershell.exe
3004	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4236	whost.exe
4236	whost.exe
4236	whost.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4236	whost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3004	1404	powershell.exe	89
PID 1404 wrote to memory of 3004	1404	powershell.exe	89

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 Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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