Malware Analysis Report

2024-10-19 01:37

Sample ID 241008-q87anszfjm
Target download.zip
SHA256 98ec780e46cd137c3c88ca3403063525c037196840092ff58309f74a82851849
Tags
discovery netsupport rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral11

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral10

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral12

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral13

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral14

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral15

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral16

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

98ec780e46cd137c3c88ca3403063525c037196840092ff58309f74a82851849

Threat Level: Known bad

The file download.zip was found to be: Known bad.

Malicious Activity Summary

discovery netsupport rat

NetSupport

Enumerates connected drives

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-08 13:56

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win7-20240903-en

Max time kernel

12s

Max time network

19s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\HTCTL32.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\HTCTL32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\HTCTL32.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 232

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\HTCTL32.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2456 wrote to memory of 4100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2456 wrote to memory of 4100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2456 wrote to memory of 4100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\HTCTL32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\HTCTL32.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4100 -ip 4100

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 640

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICHEK.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3396 wrote to memory of 3896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3396 wrote to memory of 3896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3396 wrote to memory of 3896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICHEK.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICHEK.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win7-20240708-en

Max time kernel

118s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICHEK.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2884 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICHEK.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICHEK.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 14:00

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 2396 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral9

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win7-20240903-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\client32.exe"

Signatures

NetSupport

rat netsupport

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\client32.exe

"C:\Users\Admin\AppData\Local\Temp\client32.exe"

Network

Country Destination Domain Proto
US 5.181.159.137:443 tcp
US 8.8.8.8:53 geo.netsupportsoftware.com udp
US 104.26.1.231:80 geo.netsupportsoftware.com tcp
US 104.26.1.231:80 geo.netsupportsoftware.com tcp
US 104.26.1.231:80 geo.netsupportsoftware.com tcp
US 104.26.1.231:80 geo.netsupportsoftware.com tcp
US 104.26.1.231:80 geo.netsupportsoftware.com tcp
US 104.26.1.231:80 geo.netsupportsoftware.com tcp

Files

N/A

Analysis: behavioral11

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win7-20240903-en

Max time kernel

110s

Max time network

19s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 224

Network

N/A

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

90s

Max time network

94s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3336 wrote to memory of 2632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3336 wrote to memory of 2632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3336 wrote to memory of 2632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp

Files

N/A

Analysis: behavioral10

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 14:00

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\client32.exe"

Signatures

NetSupport

rat netsupport

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\client32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\client32.exe

"C:\Users\Admin\AppData\Local\Temp\client32.exe"

Network

Country Destination Domain Proto
US 5.181.159.137:443 tcp
US 8.8.8.8:53 geo.netsupportsoftware.com udp
US 172.67.68.212:80 geo.netsupportsoftware.com tcp
US 172.67.68.212:80 geo.netsupportsoftware.com tcp
US 172.67.68.212:80 geo.netsupportsoftware.com tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 137.159.181.5.in-addr.arpa udp
US 8.8.8.8:53 212.68.67.172.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 172.67.68.212:80 geo.netsupportsoftware.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win7-20240729-en

Max time kernel

119s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2352 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

96s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4380 wrote to memory of 4012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4380 wrote to memory of 4012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4380 wrote to memory of 4012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral12

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

98s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4784 wrote to memory of 3908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 3908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 3908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 600

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral13

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 14:00

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pcicapi.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2736 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pcicapi.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pcicapi.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral14

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pcicapi.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1484 wrote to memory of 4564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 4564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 4564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pcicapi.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pcicapi.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral15

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe

"C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe"

Network

N/A

Files

N/A

Analysis: behavioral16

Detonation Overview

Submitted

2024-10-08 13:56

Reported

2024-10-08 13:59

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe

"C:\Users\Admin\AppData\Local\Temp\remcmdstub.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp

Files

N/A