Malware Analysis Report

2025-05-05 21:47

Sample ID 240829-sw73jsyend
Target wahost.exe
SHA256 850752cfce58c44ce5d48735f4d53ccc1f8d12b7e1ae00d367d9c42103d9ad99
Tags
vipkeylogger collection credential_access discovery 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 Overview

score
10/10

SHA256

850752cfce58c44ce5d48735f4d53ccc1f8d12b7e1ae00d367d9c42103d9ad99

Threat Level: Known bad

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

Malicious Activity Summary

vipkeylogger collection credential_access discovery keylogger spyware stealer

VIPKeylogger

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Browser Information Discovery

System Location Discovery: System Language Discovery

outlook_win_path

Suspicious use of AdjustPrivilegeToken

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 15:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 15:29

Reported

2024-08-29 15:32

Platform

win7-20240708-en

Max time kernel

136s

Max time network

149s

Command Line

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

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe 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 SetThreadContext

Description Indicator Process Target
PID 2152 set thread context of 2168 N/A C:\Users\Admin\AppData\Local\Temp\wahost.exe C:\Users\Admin\AppData\Local\Temp\wahost.exe

Browser Information Discovery

discovery

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 smtp.coxenregy.com udp
US 208.91.199.225:25 smtp.coxenregy.com tcp
US 208.91.198.143:25 smtp.coxenregy.com tcp
US 208.91.199.224:25 smtp.coxenregy.com tcp
US 208.91.199.223:25 smtp.coxenregy.com tcp

Files

memory/2152-0-0x000000007469E000-0x000000007469F000-memory.dmp

memory/2152-1-0x0000000000F60000-0x0000000001014000-memory.dmp

memory/2152-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2152-3-0x0000000000810000-0x0000000000826000-memory.dmp

memory/2152-4-0x000000007469E000-0x000000007469F000-memory.dmp

memory/2152-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2152-6-0x0000000000B70000-0x0000000000B7E000-memory.dmp

memory/2152-7-0x0000000004FE0000-0x000000000506C000-memory.dmp

memory/2168-9-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-8-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-10-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-20-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-12-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-18-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-16-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2168-21-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2168-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2152-22-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2168-23-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2168-24-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2168-25-0x0000000074690000-0x0000000074D7E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 15:29

Reported

2024-08-29 15:32

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

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

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe 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 SetThreadContext

Description Indicator Process Target
PID 764 set thread context of 3680 N/A C:\Users\Admin\AppData\Local\Temp\wahost.exe C:\Users\Admin\AppData\Local\Temp\wahost.exe

Browser Information Discovery

discovery

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

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\wahost.exe N/A

Processes

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

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

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 smtp.coxenregy.com udp
US 208.91.199.225:25 smtp.coxenregy.com tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 208.91.199.224:25 smtp.coxenregy.com tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 208.91.198.143:25 smtp.coxenregy.com tcp
US 208.91.199.223:25 smtp.coxenregy.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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

memory/764-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

memory/764-1-0x0000000000720000-0x00000000007D4000-memory.dmp

memory/764-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

memory/764-3-0x00000000051F0000-0x0000000005282000-memory.dmp

memory/764-4-0x0000000005290000-0x000000000529A000-memory.dmp

memory/764-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

memory/764-6-0x00000000056E0000-0x00000000056F6000-memory.dmp

memory/764-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

memory/764-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

memory/764-9-0x00000000064B0000-0x00000000064BE000-memory.dmp

memory/764-10-0x0000000006500000-0x000000000658C000-memory.dmp

memory/764-11-0x0000000008BB0000-0x0000000008C4C000-memory.dmp

memory/3680-12-0x0000000000400000-0x000000000044A000-memory.dmp

memory/3680-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

memory/764-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

memory/3680-16-0x0000000074F30000-0x00000000756E0000-memory.dmp

memory/3680-17-0x0000000074F30000-0x00000000756E0000-memory.dmp

memory/3680-18-0x0000000006650000-0x0000000006812000-memory.dmp

memory/3680-19-0x00000000064D0000-0x0000000006520000-memory.dmp

memory/3680-20-0x0000000006D50000-0x000000000727C000-memory.dmp