Malware Analysis Report

2025-08-11 06:36

Sample ID 241016-axxdbstgpc
Target eptfydgqkrerhxuq.exe
SHA256 a91d9f566a433a99e842f33931932c66b86f8c5b74b4322484e54acaa06a2cff
Tags
collection discovery spyware stealer
score
7/10

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
7/10

SHA256

a91d9f566a433a99e842f33931932c66b86f8c5b74b4322484e54acaa06a2cff

Threat Level: Shows suspicious behavior

The file eptfydgqkrerhxuq.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection discovery spyware stealer

Checks computer location settings

Reads user/profile data of web browsers

Looks up external IP address via web service

Checks installed software on the system

Accesses Microsoft Outlook profiles

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Browser Information Discovery

Unsigned PE

Runs ping.exe

outlook_win_path

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 00:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 00:36

Reported

2024-10-16 00:38

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

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

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1668 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe C:\Windows\system32\WerFault.exe
PID 1668 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe C:\Windows\system32\WerFault.exe
PID 1668 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1668 -s 44

Network

N/A

Files

memory/1668-1-0x000000013FD11000-0x000000013FD12000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 00:36

Reported

2024-10-16 00:38

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

149s

Command Line

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

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe 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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Browser Information Discovery

discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\System32\cmd.exe N/A
N/A N/A C:\Windows\system32\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4508 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe C:\Windows\System32\cmd.exe
PID 4508 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe C:\Windows\System32\cmd.exe
PID 2300 wrote to memory of 1424 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\PING.EXE
PID 2300 wrote to memory of 1424 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\PING.EXE

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe N/A

Processes

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

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

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"

C:\Windows\system32\PING.EXE

ping 1.1.1.1 -n 1 -w 3000

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
DE 79.137.202.152:15666 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 152.202.137.79.in-addr.arpa udp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 3.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4508-4-0x00007FF759331000-0x00007FF759332000-memory.dmp

memory/4508-0-0x00007FF6D93C0000-0x00007FF6D93C1000-memory.dmp

memory/4508-5-0x00007FF7592D0000-0x00007FF759510000-memory.dmp

memory/4508-8-0x00007FF7592D0000-0x00007FF759510000-memory.dmp