Malware Analysis Report

2025-05-28 14:54

Sample ID 240821-lx3qwssapa
Target 2.exe
SHA256 cb0ce49811fc7dfa01b165bb3c7721c6f2e4148951e136e4ce3cfea6e877ff4d
Tags
discovery persistence vipkeylogger collection credential_access keylogger 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

cb0ce49811fc7dfa01b165bb3c7721c6f2e4148951e136e4ce3cfea6e877ff4d

Threat Level: Known bad

The file 2.exe was found to be: Known bad.

Malicious Activity Summary

discovery persistence vipkeylogger collection credential_access keylogger stealer

VIPKeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess

Credentials from Password Stores: Credentials from Web Browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Browser Information Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-21 09:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-21 09:55

Reported

2024-08-21 09:58

Platform

win7-20240704-en

Max time kernel

21s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yxphrieb = "C:\\Users\\Admin\\AppData\\Roaming\\Yxphrieb.exe" C:\Users\Admin\AppData\Local\Temp\2.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\2.exe

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\2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 5856 N/A C:\Users\Admin\AppData\Local\Temp\2.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 5856 N/A C:\Users\Admin\AppData\Local\Temp\2.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 5856 N/A C:\Users\Admin\AppData\Local\Temp\2.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 5856 N/A C:\Users\Admin\AppData\Local\Temp\2.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2.exe

"C:\Users\Admin\AppData\Local\Temp\2.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1776

Network

Country Destination Domain Proto
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.129.233:443 cdn.discordapp.com tcp

Files

memory/2552-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/2552-1-0x0000000001330000-0x000000000134E000-memory.dmp

memory/2552-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab5A71.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar5C29.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2552-37-0x00000000067D0000-0x00000000068B8000-memory.dmp

memory/2552-39-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-41-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-47-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-49-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-53-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-51-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-45-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-43-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-38-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-55-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-57-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-59-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-61-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-63-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-65-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-67-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-85-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-101-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-99-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-97-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-96-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-93-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-91-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-89-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-87-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-83-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-81-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-79-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-77-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-75-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-73-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-71-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-69-0x00000000067D0000-0x00000000068B2000-memory.dmp

memory/2552-1111-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2552-1110-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/2552-1112-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2552-1114-0x0000000004F10000-0x0000000004F5C000-memory.dmp

memory/2552-1113-0x0000000004EB0000-0x0000000004F14000-memory.dmp

memory/2552-1115-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2552-1116-0x00000000051B0000-0x0000000005204000-memory.dmp

memory/2552-1118-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-21 09:55

Reported

2024-08-21 09:58

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2788 created 3452 N/A C:\Users\Admin\AppData\Local\Temp\2.exe C:\Windows\Explorer.EXE

VIPKeylogger

stealer keylogger vipkeylogger

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yxphrieb = "C:\\Users\\Admin\\AppData\\Roaming\\Yxphrieb.exe" C:\Users\Admin\AppData\Local\Temp\2.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 2788 set thread context of 2216 N/A C:\Users\Admin\AppData\Local\Temp\2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\2.exe

"C:\Users\Admin\AppData\Local\Temp\2.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.133.233:443 cdn.discordapp.com tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 233.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 168.6.122.193.in-addr.arpa udp
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 8.8.8.8:53 217.106.137.52.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2788-0-0x000000007470E000-0x000000007470F000-memory.dmp

memory/2788-1-0x00000000005B0000-0x00000000005CE000-memory.dmp

memory/2788-2-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2788-3-0x0000000005F80000-0x0000000006068000-memory.dmp

memory/2788-17-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-39-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-67-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-63-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-61-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-59-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-57-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-55-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-51-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-49-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-47-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-45-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-43-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-37-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-35-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-33-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-31-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-29-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-28-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-25-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-23-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-21-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-19-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-15-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-13-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-11-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-9-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-65-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-5-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-53-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-4-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-41-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-7-0x0000000005F80000-0x0000000006062000-memory.dmp

memory/2788-1076-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2788-1077-0x0000000006170000-0x00000000061D4000-memory.dmp

memory/2788-1078-0x00000000061D0000-0x000000000621C000-memory.dmp

memory/2788-1081-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2788-1083-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2788-1084-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2788-1085-0x0000000006DA0000-0x0000000007344000-memory.dmp

memory/2788-1087-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2788-1086-0x0000000006430000-0x0000000006484000-memory.dmp

memory/2788-1090-0x000000007470E000-0x000000007470F000-memory.dmp

memory/2788-1092-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2216-1091-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2216-1094-0x0000000004A20000-0x0000000004ABC000-memory.dmp

memory/2216-1093-0x00000000001A0000-0x00000000001E8000-memory.dmp

memory/2216-1095-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2216-1096-0x0000000074700000-0x0000000074EB0000-memory.dmp

memory/2216-1097-0x0000000005EB0000-0x0000000006072000-memory.dmp

memory/2216-1098-0x0000000005D30000-0x0000000005D80000-memory.dmp

memory/2216-1099-0x0000000006080000-0x0000000006112000-memory.dmp

memory/2216-1100-0x0000000006160000-0x000000000616A000-memory.dmp