Malware Analysis Report

2024-09-11 03:39

Sample ID 240614-fd2ftsvhlg
Target UltraUXThemePatcher_4.4.2.exe
SHA256 48fb5c4c2a2e6ab49bb10c599d69ab614d2c69f91854e00adaf5508d9ee14f7a
Tags
discovery exploit
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

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: behavioral10

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
8/10

SHA256

48fb5c4c2a2e6ab49bb10c599d69ab614d2c69f91854e00adaf5508d9ee14f7a

Threat Level: Likely malicious

The file UltraUXThemePatcher_4.4.2.exe was found to be: Likely malicious.

Malicious Activity Summary

discovery exploit

Possible privilege escalation attempt

Loads dropped DLL

Checks computer location settings

Modifies file permissions

Checks installed software on the system

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Program crash

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Uses Volume Shadow Copy service COM API

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
File and Directory Permissions Modification
T1222
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Peripheral Device Discovery
T1120
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-14 04:46

Signatures

Unsigned PE

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

Analysis: behavioral9

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

152s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1640 wrote to memory of 2336 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1640 wrote to memory of 2336 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1640 wrote to memory of 2336 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\nsisFile.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2336 -ip 2336

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 608

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:46

Platform

win10v2004-20240611-en

Max time kernel

30s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe"

Signatures

Possible privilege escalation attempt

exploit
Description Indicator Process Target
N/A N/A C:\Windows\system32\takeown.exe N/A
N/A N/A C:\Windows\system32\icacls.exe N/A
N/A N/A C:\Windows\system32\takeown.exe N/A
N/A N/A C:\Windows\system32\takeown.exe N/A
N/A N/A C:\Windows\system32\icacls.exe N/A
N/A N/A C:\Windows\system32\takeown.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\takeown.exe N/A
N/A N/A C:\Windows\system32\icacls.exe N/A
N/A N/A C:\Windows\system32\takeown.exe N/A
N/A N/A C:\Windows\system32\takeown.exe N/A
N/A N/A C:\Windows\system32\icacls.exe N/A
N/A N/A C:\Windows\system32\takeown.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\system32\themeui.dll.new C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File created C:\Windows\System32\uxinit.dll.new C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File created C:\Windows\System32\themeui.dll.backup C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File opened for modification C:\Windows\System32\themeui.dll.backup C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File created C:\Windows\System32\themeui.dll.new C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File opened for modification C:\Windows\system32\themeui.dll.old C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File created C:\Windows\System32\uxinit.dll.backup C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File opened for modification C:\Windows\system32\uxinit.dll.new C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
File opened for modification C:\Windows\system32\uxinit.dll.old C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\UltraUXThemePatcher\Uninstall.exe C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Enumerates physical storage devices

Checks SCSI registry key(s)

Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 C:\Windows\system32\vssvc.exe N/A
Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\system32\vssvc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters C:\Windows\system32\vssvc.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters C:\Windows\system32\vssvc.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr C:\Windows\system32\vssvc.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "205" C:\Windows\system32\LogonUI.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\takeown.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\LogonUI.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4472 wrote to memory of 3588 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 3588 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\icacls.exe
PID 4472 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\icacls.exe
PID 4472 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\icacls.exe
PID 4472 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\icacls.exe
PID 4472 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe
PID 4472 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe C:\Windows\system32\takeown.exe

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe

"C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\system32\srtasks.exe

C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2

C:\Windows\system32\takeown.exe

"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\themeui.dll"

C:\Windows\system32\icacls.exe

"C:\Windows\system32\icacls.exe" "C:\Windows\system32\themeui.dll" /grant Admin:F

C:\Windows\system32\takeown.exe

"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\themeui.dll"

C:\Windows\system32\takeown.exe

"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\uxinit.dll"

C:\Windows\system32\icacls.exe

"C:\Windows\system32\icacls.exe" "C:\Windows\system32\uxinit.dll" /grant Admin:F

C:\Windows\system32\takeown.exe

"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\uxinit.dll"

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa394b055 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\nsi355A.tmp\System.dll

MD5 192639861e3dc2dc5c08bb8f8c7260d5
SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc

C:\Users\Admin\AppData\Local\Temp\nsi355A.tmp\nsisFile.dll

MD5 b7d0d765c151d235165823b48554e442
SHA1 fe530e6c6fd60392d4ce611b21ec9daad3f1bc84
SHA256 a820a32e5ce89e3e336afc71aa1bf42a357ec542c2bc6e50c6255c1333812587
SHA512 5d801c24dfa1b7326f72f9c0acf3a330ef0cc3fce25ceee200bb12eab8c2b653025602e610e0cecda1e7cbd851ce1b66252531220b557a378ddb0b4a1741fa66

C:\Users\Admin\AppData\Local\Temp\nsi355A.tmp\nsDialogs.dll

MD5 b7d61f3f56abf7b7ff0d4e7da3ad783d
SHA1 15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
SHA512 6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8

C:\Users\Admin\AppData\Local\Temp\nsi355A.tmp\SysRestore.dll

MD5 4310bd09fc2300b106f0437b6e995330
SHA1 c6790a68e410d4a619b9b59e7540b702a98ad661
SHA256 c686b4df9b4db50fc1ddb7be4cd50d4b1d75894288f4dc50571b79937d7c0d7e
SHA512 49e286ccd285871db74867810c9cf243e3c1522ce7b4c0d1d01bafe72552692234cf4b4d787b900e9c041b8a2c12f193b36a6a35c64ffd5deef0e1be9958b1f7

C:\Windows\System32\themeui.dll.new

MD5 bc377febaa39552cd323cf2d46805e91
SHA1 c812c62292c62f518a9feca5c0366b22c04aa9c3
SHA256 0970d5aaab9247f5b6c63534cb29ff6e1b2b99ba0e4d96bc69eae895e67237c3
SHA512 5c5adb024d051eea9d16dc6411a1445359e5d219c3776fddefc51ea098a2d3c9db4dee22db382976e6911ec159a09bebe4f6249b36a77891d69a490cd0a8eed7

C:\Windows\System32\uxinit.dll.new

MD5 1249ecbaa8441b5f2425ca165b18bff3
SHA1 388fb66c58dedbd29e0b300406e7d20b2c7e8f6c
SHA256 79bfb188b481a28bfa4fced64dc45eaa7fab7b0c5f435e85b02025ae6910377a
SHA512 8b75fa4df32fad47f249fa581b5a969cdf78df84bfe9e95f8bdcfbbe00a38da4c3711d797028a1f63d8cccf6cdbc40594c26aadf0ba419782b2991a474ba5c4c

C:\Users\Admin\AppData\Local\Temp\nsi355A.tmp\modern-wizard.bmp

MD5 5f728e4e6b970db76c64be8ca3cafc87
SHA1 b7481efd9f6938903214451d792a8b13a645c922
SHA256 aea40659bdb08337064640ea8b4f171881d37456b37b3e2899349ac04f0889c5
SHA512 2cc4e870290f8faddc8eca1a03a1efb34711b3951e263a79f259fd998a9a1f957dbf58c110c5fe64febd414ec7a22e125353f9d5c363866bd0d4298452fdadc8

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3220 wrote to memory of 4660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3220 wrote to memory of 4660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3220 wrote to memory of 4660 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 364 -p 4660 -ip 4660

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win11-20240611-en

Max time kernel

146s

Max time network

152s

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3296 wrote to memory of 4864 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3296 wrote to memory of 4864 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3296 wrote to memory of 4864 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 4864 -ip 4864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 460

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

152s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 744 wrote to memory of 632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 744 wrote to memory of 632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 744 wrote to memory of 632 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\nsDialogs.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 632 -ip 632

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4136,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4008 /prefetch:8

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win11-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3016 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1428 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\nsDialogs.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1428 -ip 1428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 544

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral10

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win11-20240611-en

Max time kernel

147s

Max time network

150s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1260 wrote to memory of 744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1260 wrote to memory of 744 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1260 wrote to memory of 744 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\nsisFile.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 744 -ip 744

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 448

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win11-20240508-en

Max time kernel

116s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe

"C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.2.exe"

Network

Country Destination Domain Proto
IE 52.111.236.21:443 tcp

Files

C:\Users\Admin\AppData\Local\Temp\nse5DC2.tmp\System.dll

MD5 192639861e3dc2dc5c08bb8f8c7260d5
SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc

C:\Users\Admin\AppData\Local\Temp\nse5DC2.tmp\nsisFile.dll

MD5 b7d0d765c151d235165823b48554e442
SHA1 fe530e6c6fd60392d4ce611b21ec9daad3f1bc84
SHA256 a820a32e5ce89e3e336afc71aa1bf42a357ec542c2bc6e50c6255c1333812587
SHA512 5d801c24dfa1b7326f72f9c0acf3a330ef0cc3fce25ceee200bb12eab8c2b653025602e610e0cecda1e7cbd851ce1b66252531220b557a378ddb0b4a1741fa66

C:\Users\Admin\AppData\Local\Temp\nse5DC2.tmp\nsDialogs.dll

MD5 b7d61f3f56abf7b7ff0d4e7da3ad783d
SHA1 15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
SHA512 6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win10v2004-20240611-en

Max time kernel

125s

Max time network

126s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3056 wrote to memory of 4768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3056 wrote to memory of 4768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3056 wrote to memory of 4768 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\SysRestore.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4768 -ip 4768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 600

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3784,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=4276 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.107.121:443 www.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 121.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-14 04:46

Reported

2024-06-14 04:48

Platform

win11-20240508-en

Max time kernel

132s

Max time network

142s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4904 wrote to memory of 4320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4904 wrote to memory of 4320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4904 wrote to memory of 4320 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\SysRestore.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4320 -ip 4320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 448

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A