Malware Analysis Report

2024-12-06 03:25

Sample ID 241023-caf4yaxcpr
Target d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
SHA256 d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400
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

d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400

Threat Level: Known bad

The file d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe was found to be: Known bad.

Malicious Activity Summary

guloader snakekeylogger collection discovery downloader keylogger spyware stealer

Snake Keylogger

Snake Keylogger payload

Guloader,Cloudeye

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Loads dropped DLL

Looks up external IP address via web service

Legitimate hosting services abused for malware hosting/C2

Accesses Microsoft Outlook profiles

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of NtCreateThreadExHideFromDebugger

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

NSIS installer

outlook_win_path

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-23 01:52

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

2024-10-23 01:52

Reported

2024-10-23 01:54

Platform

win7-20240903-en

Max time kernel

122s

Max time network

122s

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 596 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 596 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 596 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 596 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 596 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe
PID 596 wrote to memory of 2988 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-1-5-21-2872745919-2748461613-2989606286-1000\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-1-5-21-2872745919-2748461613-2989606286-1000\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
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.18.190.80:80 crl.microsoft.com tcp

Files

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

MD5 9558d5af9c4876c995394d380d41bf2d
SHA1 bb0f8e279338191fddb9d822b7c78cb494680522
SHA256 13ab5fa183a88d67a0a82365c2ceb74603f6f5b146c665633a0746a95eaaf528
SHA512 15b5fb32419e63b207a85af305386e96dd4901cbac534739082f239318bca7825170cd4d4dc3d6f2bc9d94156f1fc75a80dfeccbf37d65b31d7ab17263e6cac5

\Users\Admin\AppData\Local\Temp\nstD682.tmp\System.dll

MD5 cf85183b87314359488b850f9e97a698
SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

memory/596-429-0x0000000003930000-0x0000000005E81000-memory.dmp

memory/596-430-0x0000000077770000-0x0000000077846000-memory.dmp

memory/596-432-0x0000000077581000-0x0000000077682000-memory.dmp

memory/596-431-0x0000000003930000-0x0000000005E81000-memory.dmp

memory/596-433-0x0000000077580000-0x0000000077729000-memory.dmp

memory/2988-434-0x0000000077580000-0x0000000077729000-memory.dmp

memory/596-435-0x0000000003930000-0x0000000005E81000-memory.dmp

memory/2988-452-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/2988-456-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/2988-457-0x0000000000450000-0x0000000000476000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-23 01:52

Reported

2024-10-23 01:54

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

146s

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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\d7439af0827a632fe9730a7dd2585a2fb5b0af71c312cdeb49e6a738a9133400.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
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 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 8.8.8.8:53 238.16.217.172.in-addr.arpa udp
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 3.178.250.142.in-addr.arpa udp
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
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 0.130.122.193.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.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 6851eccd72752b197b37962470c883b6
SHA1 af1f25e13d77e8dd0b77910757b306509dbffd68
SHA256 cd2beff2f0075e1a4a88e9e82826a712729c82fe5ac048cc2f228c55a0fc7891
SHA512 f3eed0c398de752d09c364a1cb1c3a4ddaf85a3141468a62b2e583a538a609759b3e061d5adf000e217b6948ce96a4dafe47ee7839219cf2fc45fcdbaa724a60

C:\Users\Admin\AppData\Local\Temp\nsvA058.tmp\System.dll

MD5 cf85183b87314359488b850f9e97a698
SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

memory/1916-429-0x0000000003520000-0x0000000005A71000-memory.dmp

memory/1916-430-0x0000000003520000-0x0000000005A71000-memory.dmp

memory/1916-431-0x0000000076ED1000-0x0000000076FF1000-memory.dmp

memory/1916-433-0x0000000010004000-0x0000000010005000-memory.dmp

memory/1916-432-0x0000000076ED1000-0x0000000076FF1000-memory.dmp

memory/3236-434-0x00000000016B0000-0x0000000003C01000-memory.dmp

memory/1916-435-0x0000000003520000-0x0000000005A71000-memory.dmp

memory/3236-448-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/3236-449-0x00000000016B0000-0x0000000003C01000-memory.dmp

memory/3236-450-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/3236-451-0x0000000000450000-0x0000000000476000-memory.dmp

memory/3236-452-0x0000000036800000-0x0000000036DA4000-memory.dmp

memory/3236-453-0x0000000034410000-0x00000000344AC000-memory.dmp

memory/3236-454-0x0000000037340000-0x0000000037390000-memory.dmp

memory/3236-456-0x0000000037390000-0x0000000037552000-memory.dmp

memory/3236-458-0x0000000034160000-0x00000000341F2000-memory.dmp

memory/3236-459-0x0000000034210000-0x000000003421A000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-23 01:52

Reported

2024-10-23 01:54

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

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 2436 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-23 01:52

Reported

2024-10-23 01:54

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

150s

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 2148 wrote to memory of 3616 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 3616 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 3616 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 408 -p 3616 -ip 3616

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

N/A