netsupport | 45ff625f17a1e9ad65dd94c376034148d6d8eee8a41b1209f566a907f5d6d6c7

General

Target

c82f6b6c65e9617b6af32028c9d9b793.exe
Size

2.2MB
MD5

c82f6b6c65e9617b6af32028c9d9b793
SHA1

4a0d251ed5db7ec8bf4f5334d11d0c35549eb4a9
SHA256

45ff625f17a1e9ad65dd94c376034148d6d8eee8a41b1209f566a907f5d6d6c7
SHA512

667d8aba53d8e2a06739abdb6a5835e542c0affd4d87bf5e6b6d11ccbbc715aaf84caaee06635e2af78db2db0ce6e58dabacd7fb0943dc257d5b0352da99a525
SSDEEP

49152:reQeN/IirV+a2YCSdZeCP6OYKphcmX90ur7SnkGPgvNLc+:reh/DAa2VcbSOYUqmWurEkGPURc+

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

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Environment\UserInitMprLogonScript = "C:\\ProgramData\\DriverStore\\ntcapapi.exe"	reg.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	c82f6b6c65e9617b6af32028c9d9b793.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\LOGS\DPX\setuperr.log	expand.exe
File opened for modification	C:\Windows\LOGS\DPX\setupact.log	expand.exe

Executes dropped EXE 1 IoCs

pid	Process
816	ntcapapi.exe

Loads dropped DLL 4 IoCs

pid	Process
816	ntcapapi.exe
816	ntcapapi.exe
816	ntcapapi.exe
816	ntcapapi.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Nd9064be	ntcapapi.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Nd9064be\expiredver = "1200"	ntcapapi.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 3300	736	c82f6b6c65e9617b6af32028c9d9b793.exe	91
PID 736 wrote to memory of 3300	736	c82f6b6c65e9617b6af32028c9d9b793.exe	91
PID 736 wrote to memory of 3300	736	c82f6b6c65e9617b6af32028c9d9b793.exe	91
PID 3300 wrote to memory of 1788	3300	cmd.exe	94
PID 3300 wrote to memory of 1788	3300	cmd.exe	94
PID 3300 wrote to memory of 1788	3300	cmd.exe	94
PID 3300 wrote to memory of 416	3300	cmd.exe	95
PID 3300 wrote to memory of 416	3300	cmd.exe	95
PID 3300 wrote to memory of 416	3300	cmd.exe	95
PID 3300 wrote to memory of 816	3300	cmd.exe	96
PID 3300 wrote to memory of 816	3300	cmd.exe	96
PID 3300 wrote to memory of 816	3300	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\c82f6b6c65e9617b6af32028c9d9b793.exe
"C:\Users\Admin\AppData\Local\Temp\c82f6b6c65e9617b6af32028c9d9b793.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7z74A482E0\content.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3300
- - C:\Windows\SysWOW64\expand.exe
    expand verse.cab -F:* C:\ProgramData
    3⤵
    - Drops file in Windows directory
    PID:1788
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKEY_CURRENT_USER\Environment" /v UserInitMprLogonScript /t REG_EXPAND_SZ /d "C:\ProgramData\DriverStore\ntcapapi.exe" /f
    3⤵
    - Registers new Windows logon scripts automatically executed at logon.
    PID:416
- - C:\ProgramData\DriverStore\ntcapapi.exe
    C:\ProgramData\DriverStore\ntcapapi.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Modifies registry class
    PID:816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Privilege Escalation

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\DriverStore\NSM.LIC

Filesize
194B

MD5
8dad217b9bcccae94e3051c580302b5d

SHA1
625a9c54c406818058f7cd1605976fa46cd0ad50

SHA256
3a882df0e4467092870bb1828a4e533066910ae34d84cf45c904e9d18610d160

SHA512
6911c472a0ff30d044109dc5590c22cc53cf02696c0cb98da10ed7ed4a96acb5d81f3c1216997315c785e9eaf19e875e4871c81aac37af74f8f49c79462a93e0

Download Submit
C:\ProgramData\DriverStore\PCICL32.dll

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\ProgramData\DriverStore\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\ProgramData\DriverStore\ntcapapi.exe

Filesize
103KB

MD5
c60ac6a6e6e582ab0ecb1fdbd607705b

SHA1
ba9de479beb82fd97bbdfbc04ef22e08224724ba

SHA256
4d24b359176389301c14a92607b5c26b8490c41e7e3a2abbc87510d1376f4a87

SHA512
f91b964f8b9a0e7445fc260b8c75c831e7ce462701a64a39989304468c9c5ab5d1e8bfe376940484f824b399aef903bf51c679fcf45208426fff7e4e518482ca

Download Submit
C:\ProgramData\DriverStore\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit
C:\ProgramData\DriverStore\pcichek.dll

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z74A482E0\content.bat

Filesize
242B

MD5
de1b616650b66222e492b0bbfaebbf4a

SHA1
cacd06fcc25440d15c7e7402db2f058e4470d237

SHA256
cfd9c73c9e8a0a4ad2f5b8c6571f11ba37d12353d7e647b95115f31264c19181

SHA512
8e9e2508b8a462503d02e6baf3979cc218d2e6ba1a56b2fd9a899c91f42ae9e695630e9dc25e34c7fe8aa459a867c44c8c99f861ff1f3af4541972a70d46d1f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z74A482E0\verse.cab

Filesize
2.1MB

MD5
afcecbe88900f2f2d4a097275a75d2bf

SHA1
5367eff6d2883a56020a4b7d63e25a699840ecc8

SHA256
4f1f999e247d15ce68ee107a6efe173ec3886ef2841cf0d0fb483d48af81a44c

SHA512
f6ed2b5e2cbeb486e5b453194fd788c10852302858e18d10ca257d3fec0c59128b4cc2ea92a2fc53d51dd52e3c2482f48c7a97559deffceaff2e897b4a347a0a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads