Malware Analysis Report

2024-10-19 08:35

Sample ID 240729-vg51ratekd
Target Client-built.exe
SHA256 031b3b1935b0eac9273bafb8b20484be97a1c3f9ea1bb611315042b32168f104
Tags
office04 quasar spyware trojan discovery
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 Overview

score
10/10

SHA256

031b3b1935b0eac9273bafb8b20484be97a1c3f9ea1bb611315042b32168f104

Threat Level: Known bad

The file Client-built.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan discovery

Quasar payload

Quasar family

Quasar RAT

Executes dropped EXE

Drops file in System32 directory

Browser Information Discovery

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 16:58

Signatures

Quasar family

quasar

Quasar payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 16:58

Reported

2024-07-29 17:01

Platform

win7-20240704-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
File opened for modification C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
File opened for modification C:\Windows\system32\SubDir C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
File opened for modification C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Windows\system32\SubDir\sigmaexecutor.exe.exe N/A
File opened for modification C:\Windows\system32\SubDir C:\Windows\system32\SubDir\sigmaexecutor.exe.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\SubDir\sigmaexecutor.exe.exe N/A

Suspicious use of SetWindowsHookEx

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /create /tn "WIndows Updater" /sc ONLOGON /tr "C:\Windows\system32\SubDir\sigmaexecutor.exe.exe" /rl HIGHEST /f

C:\Windows\system32\SubDir\sigmaexecutor.exe.exe

"C:\Windows\system32\SubDir\sigmaexecutor.exe.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /create /tn "WIndows Updater" /sc ONLOGON /tr "C:\Windows\system32\SubDir\sigmaexecutor.exe.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp

Files

memory/332-0-0x000007FEF5DB3000-0x000007FEF5DB4000-memory.dmp

memory/332-1-0x0000000001130000-0x0000000001454000-memory.dmp

memory/332-2-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

C:\Windows\System32\SubDir\sigmaexecutor.exe.exe

MD5 9a4f3b0223e0bcb90d5a08afdae6a169
SHA1 b8ea3a64121a47f7a7abc73fc9a39d912b31a724
SHA256 031b3b1935b0eac9273bafb8b20484be97a1c3f9ea1bb611315042b32168f104
SHA512 38ab6b70078807bc8c56f5c004ae4ef4a40690ec26bc896213a158765530caec5812b556a5555037ac986175fb1d4d588f1a982dd5e383a8c5734783507f6601

memory/2084-8-0x0000000001380000-0x00000000016A4000-memory.dmp

memory/2084-9-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

memory/332-10-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

memory/2084-11-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

memory/2084-12-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 16:58

Reported

2024-07-29 17:01

Platform

win10v2004-20240709-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
File opened for modification C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
File opened for modification C:\Windows\system32\SubDir C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
File opened for modification C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Windows\system32\SubDir\sigmaexecutor.exe.exe N/A
File opened for modification C:\Windows\system32\SubDir C:\Windows\system32\SubDir\sigmaexecutor.exe.exe N/A

Browser Information Discovery

discovery

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\SubDir\sigmaexecutor.exe.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A
N/A N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4880 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4880 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4880 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\SubDir\sigmaexecutor.exe.exe
PID 4880 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\SubDir\sigmaexecutor.exe.exe
PID 2040 wrote to memory of 3084 N/A C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 2040 wrote to memory of 3084 N/A C:\Windows\system32\SubDir\sigmaexecutor.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4124 wrote to memory of 3548 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 3548 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 2744 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 5052 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 5052 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4124 wrote to memory of 1204 N/A C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "WIndows Updater" /sc ONLOGON /tr "C:\Windows\system32\SubDir\sigmaexecutor.exe.exe" /rl HIGHEST /f

C:\Windows\system32\SubDir\sigmaexecutor.exe.exe

"C:\Windows\system32\SubDir\sigmaexecutor.exe.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "WIndows Updater" /sc ONLOGON /tr "C:\Windows\system32\SubDir\sigmaexecutor.exe.exe" /rl HIGHEST /f

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffd59f246f8,0x7ffd59f24708,0x7ffd59f24718

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2352 /prefetch:3

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /prefetch:8

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3356 /prefetch:1

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3368 /prefetch:1

C:\Windows\System32\CompPkgSrv.exe

C:\Windows\System32\CompPkgSrv.exe -Embedding

C:\Windows\System32\CompPkgSrv.exe

C:\Windows\System32\CompPkgSrv.exe -Embedding

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5112 /prefetch:1

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5016 /prefetch:1

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3472 /prefetch:8

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3472 /prefetch:8

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3468 /prefetch:1

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3968 /prefetch:1

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1

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

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,9545281544529963273,8875472531800667375,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3052 /prefetch:2

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
N/A 192.168.1.70:4782 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 192.168.1.70:4782 tcp
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
N/A 192.168.1.70:4782 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
N/A 192.168.1.70:4782 tcp
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
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
N/A 192.168.1.70:4782 tcp
N/A 192.168.1.70:4782 tcp

Files

memory/4880-0-0x00007FFD60A43000-0x00007FFD60A45000-memory.dmp

memory/4880-1-0x00000000009B0000-0x0000000000CD4000-memory.dmp

memory/4880-2-0x00007FFD60A40000-0x00007FFD61501000-memory.dmp

C:\Windows\System32\SubDir\sigmaexecutor.exe.exe

MD5 9a4f3b0223e0bcb90d5a08afdae6a169
SHA1 b8ea3a64121a47f7a7abc73fc9a39d912b31a724
SHA256 031b3b1935b0eac9273bafb8b20484be97a1c3f9ea1bb611315042b32168f104
SHA512 38ab6b70078807bc8c56f5c004ae4ef4a40690ec26bc896213a158765530caec5812b556a5555037ac986175fb1d4d588f1a982dd5e383a8c5734783507f6601

memory/2040-9-0x00007FFD60A40000-0x00007FFD61501000-memory.dmp

memory/4880-10-0x00007FFD60A40000-0x00007FFD61501000-memory.dmp

memory/2040-11-0x00007FFD60A40000-0x00007FFD61501000-memory.dmp

memory/2040-12-0x000000001B170000-0x000000001B1C0000-memory.dmp

memory/2040-13-0x000000001B9A0000-0x000000001BA52000-memory.dmp

memory/2040-14-0x000000001C090000-0x000000001C5B8000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

MD5 60ead4145eb78b972baf6c6270ae6d72
SHA1 e71f4507bea5b518d9ee9fb2d523c5a11adea842
SHA256 b9e99e7387a915275e8fe4ac0b0c0cd330b4632814d5c9c446beb2755f1309a7
SHA512 8cdbafd2783048f5f54f22e13f6ef890936d5b986b0bb3fa86d2420a5bfecf7bedc56f46e6d5f126eae79f492315843c134c441084b912296e269f384a73ccde

\??\pipe\LOCAL\crashpad_4124_UVPJIFOTEELSZPVI

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

MD5 1f9d180c0bcf71b48e7bc8302f85c28f
SHA1 ade94a8e51c446383dc0a45edf5aad5fa20edf3c
SHA256 a17d56c41d524453a78e3f06e0d0b0081e79d090a4b75d0b693ddbc39f6f7fdc
SHA512 282863df0e51288049587886ed37ad1cf5b6bfeed86454ea3b9f2bb7f0a1c591f3540c62712ebfcd6f1095e1977446dd5b13b904bb52b6d5c910a1efc208c785

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

MD5 cbb9bc596d24301e75d303fa52a6f79f
SHA1 0e54cbe67755cd835f417824fc7eb6808fd8d623
SHA256 d1b7de4a4f55330f4f5e37b97e33252af98aedead03e1a724f5a2ffd7c999006
SHA512 13a78903fe09522c7faf8f36ef76540ef7f484f462de23ea46bbee5e29440eab60d6986b95232fe7a2b1a11a373b1f3c66056a437f616760631ad9430c103cc5

memory/2040-38-0x00007FFD60A40000-0x00007FFD61501000-memory.dmp

memory/2040-47-0x00007FFD60A40000-0x00007FFD61501000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

MD5 6752a1d65b201c13b62ea44016eb221f
SHA1 58ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA512 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

MD5 dde9872d5b10478a48d557daeb30295a
SHA1 4ec096909738342c1279a7be9ab0ad029f454e0b
SHA256 d28a2a67355cead306d2595b6074a449d2a36b990caee6c1537bed4c539b1df3
SHA512 0471472e3e167bcbe50ad0d4445c721ec16b930d4840bf0a654e020fa7b6fb4a54a566f2ec5247763134580556fddc1ff443960648ea0e814c333a14e842b3b9

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

MD5 fe230f868ace7d0ebd87f3b2bc6aca38
SHA1 ec45136ede51924415ec3a95d20b6debcebc3005
SHA256 87aa45cbb7203b6060b86b85f2d5f5765e65e8c8a479416453d9a37a06d4e6d3
SHA512 a965e82c931ae5be33d6a9a1ba348e53c6de60e44af542cf0accee0d79c42290b9636236f71ffedff6931c2203153b14325c9f5ae67d0a6d9f7054d576278d6c