netsupport | faf9b23508c4445bf9017cacb3b4f08f39d0cd0cd48cc17156320abb6083d9c7

General

Target

faf9b23508c4445bf9017cacb3b4f08f39d0cd0cd48cc17156320abb6083d9c7.zip
Size

2.2MB
MD5

968cc131465c7d251ccbc6806b157283
SHA1

93da97c4eb5460ba60d6273818e3c5ea5d74b7b6
SHA256

faf9b23508c4445bf9017cacb3b4f08f39d0cd0cd48cc17156320abb6083d9c7
SHA512

5e4b6ab5d506d3bc5fd4ac3bf9485f109d290e82e9666be614f7cd10b8b006c5b2bcab851d70a2f18584233da17e6db07dd8d90cdc7b353b2ba1c1c76b7a07ab
SSDEEP

49152:KlLUXP5qRroZT5YNdzlIbnNsOF9LFLbCNFlVG5PWZ5FvcBi:KlLUf5qRroGKsODLFLCFbIP+Ui

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

Executes dropped EXE 2 IoCs

pid	Process
2472	client32.exe
4756	client32.exe

Loads dropped DLL 9 IoCs

pid	Process
2472	client32.exe
2472	client32.exe
2472	client32.exe
2472	client32.exe
2472	client32.exe
4756	client32.exe
4756	client32.exe
4756	client32.exe
4756	client32.exe

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	7zFM.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	2664	7zFM.exe
Token: 35	2664	7zFM.exe
Token: SeSecurityPrivilege	2664	7zFM.exe
Token: SeSecurityPrivilege	2472	client32.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2664	7zFM.exe
2664	7zFM.exe
2472	client32.exe

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\faf9b23508c4445bf9017cacb3b4f08f39d0cd0cd48cc17156320abb6083d9c7.zip"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2664

C:\Users\Admin\Desktop\client32.exe
"C:\Users\Admin\Desktop\client32.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2472

C:\Users\Admin\Desktop\client32.exe
"C:\Users\Admin\Desktop\client32.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Admin\Desktop\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\Desktop\NSM.LIC

Filesize
257B

MD5
390c964070626a64888d385c514f568e

SHA1
a556209655dcb5e939fd404f57d199f2bb6da9b3

SHA256
ad0d05305fdeb3736c1e8d49c3a6746073d27b4703eb6de6589bdc4aa72d7b54

SHA512
f089c59a24f33410cf98fba7ea0dd2ca0fd997efc9a03e5355cde3c1a1f4a78b13cebd387099b9de824bffea01c489d8f0e90df56f89973007dabb6afdde607f

Download Submit
C:\Users\Admin\Desktop\PCICL32.DLL

Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
C:\Users\Admin\Desktop\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\Desktop\client32.ini

Filesize
908B

MD5
edfb8d26fa34436f2e92d5be1cb5901b

SHA1
79bffe330575dcb9d0fe746325bc42e48da397f4

SHA256
2b8fcbb905bd0a948a924a0f09534bac65ca444e023e5de301f4d4f83bc840e5

SHA512
682f5e977462f6f73ad2698f5c17473d8a7037fbbb0d6b014783f6ac18405d0731f4e2b43f85a45d3d01b1cc9c676bd03fe6932a2293d2f9ab3b49f7ea31e40a

Download Submit
C:\Users\Admin\Desktop\pcicapi.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\Desktop\pcichek.dll

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit

Analysis

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