Malware Analysis Report

2024-12-06 03:19

Sample ID 241024-bpqq9azfqq
Target 4183d5786fe2a0e4563c5a0cf57d92f6.bin
SHA256 f3417f98d7feb3902bd789aabbb47155800665e5b5009c8941eab4f986255648
Tags
guloader snakekeylogger collection discovery downloader keylogger spyware stealer
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f3417f98d7feb3902bd789aabbb47155800665e5b5009c8941eab4f986255648

Threat Level: Known bad

The file 4183d5786fe2a0e4563c5a0cf57d92f6.bin was found to be: Known bad.

Malicious Activity Summary

guloader snakekeylogger collection discovery downloader keylogger spyware stealer

Guloader,Cloudeye

Snake Keylogger

Snake Keylogger payload

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

NSIS installer

outlook_office_path

Suspicious behavior: MapViewOfSection

outlook_win_path

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-24 01:19

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

NSIS installer

installer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-24 01:19

Reported

2024-10-24 01:22

Platform

win7-20241010-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Enumerates physical storage devices

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\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2116 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 2116 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 2116 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 2116 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 2116 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 2116 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe

"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"

C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe

"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp

Files

C:\Users\Admin\Music\incinerations.lnk

MD5 1235ef9c5acf4af7ef7c55eab6081365
SHA1 dd302a92b12cf8ac7a232be73ee7ed19076d01b5
SHA256 2af9c0c945c9088c0976c7b8a63990447a719c591b2adad5347822e50610df0a
SHA512 ae723102942ba7ed1e64ff734b4a8a5830e337177bba7236ef80f5758cf3b5153eb3800cc12a3d30429d6f4bbc9a1dd62391ed88d964ff3d5a20816ad4caf981

\Users\Admin\AppData\Local\Temp\nsjAD12.tmp\System.dll

MD5 cf85183b87314359488b850f9e97a698
SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

memory/2116-429-0x0000000003400000-0x0000000005951000-memory.dmp

memory/2116-430-0x0000000003400000-0x0000000005951000-memory.dmp

memory/2116-432-0x0000000077BE0000-0x0000000077D89000-memory.dmp

memory/2116-431-0x0000000077BE1000-0x0000000077CE2000-memory.dmp

memory/2612-433-0x0000000077BE0000-0x0000000077D89000-memory.dmp

memory/2116-434-0x0000000003400000-0x0000000005951000-memory.dmp

memory/2612-456-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/2612-458-0x0000000000450000-0x0000000000476000-memory.dmp

memory/2612-460-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-24 01:19

Reported

2024-10-24 08:16

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Enumerates physical storage devices

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\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe

"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"

C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe

"C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe"

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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
US 8.8.8.8:53 238.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 3.178.250.142.in-addr.arpa udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 97.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 152.67.21.104.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 mail.mgcconstrucciones.com.co udp
US 138.128.178.242:587 mail.mgcconstrucciones.com.co tcp
US 8.8.8.8:53 242.178.128.138.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

C:\Users\Admin\Music\incinerations.lnk

MD5 903e05e67b416ee7e44de86feef1a5d0
SHA1 cc6925d184aebbb03577458d71d259d745d126b7
SHA256 d2446518a6fbc09971fd8bfcd6e3bd4446d3b21af7f6a6ec4175c97d6a2a6366
SHA512 919c096b137031787577891955b7a01cdfabfc1e2d3dee149631b510be627b4a6aea7ecf5eb4230ed6440463ab8fb8034d2b0002accd8005f08e566b2681da9a

C:\Users\Admin\AppData\Local\Temp\nscBFF5.tmp\System.dll

MD5 cf85183b87314359488b850f9e97a698
SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

memory/3108-429-0x0000000003860000-0x0000000005DB1000-memory.dmp

memory/3108-430-0x0000000003860000-0x0000000005DB1000-memory.dmp

memory/3108-431-0x0000000077411000-0x0000000077531000-memory.dmp

memory/3108-433-0x0000000010004000-0x0000000010005000-memory.dmp

memory/3108-432-0x0000000077411000-0x0000000077531000-memory.dmp

memory/3108-435-0x0000000003860000-0x0000000005DB1000-memory.dmp

memory/1840-434-0x00000000016B0000-0x0000000003C01000-memory.dmp

memory/1840-448-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/1840-449-0x0000000000450000-0x0000000000476000-memory.dmp

memory/1840-451-0x0000000036EB0000-0x0000000036F4C000-memory.dmp

memory/1840-450-0x0000000036900000-0x0000000036EA4000-memory.dmp

memory/1840-453-0x00000000016B0000-0x0000000003C01000-memory.dmp

memory/1840-455-0x0000000037480000-0x00000000374D0000-memory.dmp

memory/1840-456-0x00000000374D0000-0x0000000037692000-memory.dmp

memory/1840-459-0x0000000034160000-0x00000000341F2000-memory.dmp

memory/1840-460-0x0000000034210000-0x000000003421A000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-24 01:19

Reported

2024-10-24 01:23

Platform

win7-20241010-en

Max time kernel

12s

Max time network

19s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.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\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 228

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-24 01:19

Reported

2024-10-24 08:16

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

144s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.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 3572 wrote to memory of 4244 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3572 wrote to memory of 4244 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3572 wrote to memory of 4244 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\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4244 -ip 4244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

N/A