Malware Analysis Report

2025-05-28 14:54

Sample ID 240821-qr4s8athnk
Target 6.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 6.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

Adds Run key to start application

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Program crash

System Location Discovery: System Language Discovery

Browser Information Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-21 13:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-21 13:30

Reported

2024-08-21 13:36

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yxphrieb = "C:\\Users\\Admin\\AppData\\Roaming\\Yxphrieb.exe" C:\Users\Admin\AppData\Local\Temp\6.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\6.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\6.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2976 wrote to memory of 5792 N/A C:\Users\Admin\AppData\Local\Temp\6.exe C:\Windows\SysWOW64\WerFault.exe
PID 2976 wrote to memory of 5792 N/A C:\Users\Admin\AppData\Local\Temp\6.exe C:\Windows\SysWOW64\WerFault.exe
PID 2976 wrote to memory of 5792 N/A C:\Users\Admin\AppData\Local\Temp\6.exe C:\Windows\SysWOW64\WerFault.exe
PID 2976 wrote to memory of 5792 N/A C:\Users\Admin\AppData\Local\Temp\6.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6.exe

"C:\Users\Admin\AppData\Local\Temp\6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 1776

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

Files

memory/2976-0-0x000000007419E000-0x000000007419F000-memory.dmp

memory/2976-1-0x00000000002E0000-0x00000000002FE000-memory.dmp

memory/2976-2-0x0000000074190000-0x000000007487E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabC286.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarC2A8.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2976-37-0x0000000006670000-0x0000000006758000-memory.dmp

memory/2976-38-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-49-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-67-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-91-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-101-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-99-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-97-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-95-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-93-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-89-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-87-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-85-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-83-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-82-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-79-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-77-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-75-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-73-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-71-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-69-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-65-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-63-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-61-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-59-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-57-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-55-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-53-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-51-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-47-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-45-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-43-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-41-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-39-0x0000000006670000-0x0000000006752000-memory.dmp

memory/2976-1110-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2976-1111-0x0000000005370000-0x00000000053D4000-memory.dmp

memory/2976-1112-0x0000000005630000-0x000000000567C000-memory.dmp

memory/2976-1113-0x0000000005700000-0x0000000005754000-memory.dmp

memory/2976-1114-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2976-1116-0x000000007419E000-0x000000007419F000-memory.dmp

memory/2976-1117-0x0000000074190000-0x000000007487E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-21 13:30

Reported

2024-08-21 13:36

Platform

win10v2004-20240802-en

Max time kernel

129s

Max time network

155s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 3932 created 3504 N/A C:\Users\Admin\AppData\Local\Temp\6.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-1-5-21-4182098368-2521458979-3782681353-1000\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-1-5-21-4182098368-2521458979-3782681353-1000\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-1-5-21-4182098368-2521458979-3782681353-1000\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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yxphrieb = "C:\\Users\\Admin\\AppData\\Roaming\\Yxphrieb.exe" C:\Users\Admin\AppData\Local\Temp\6.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 3932 set thread context of 5080 N/A C:\Users\Admin\AppData\Local\Temp\6.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\6.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\6.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\6.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6.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-1-5-21-4182098368-2521458979-3782681353-1000\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-1-5-21-4182098368-2521458979-3782681353-1000\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\6.exe

"C:\Users\Admin\AppData\Local\Temp\6.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.129.233:443 cdn.discordapp.com tcp
US 8.8.8.8:53 17.252.100.95.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 233.129.159.162.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 0.130.122.193.in-addr.arpa udp
US 8.8.8.8:53 152.67.21.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/3932-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

memory/3932-1-0x0000000000470000-0x000000000048E000-memory.dmp

memory/3932-2-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-3-0x0000000005F90000-0x0000000006078000-memory.dmp

memory/3932-15-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-19-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-65-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-67-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-63-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-61-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-59-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-57-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-55-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-53-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-51-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-49-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-47-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-45-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-43-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-41-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-39-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-37-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-35-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-31-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-29-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-27-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-25-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-23-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-21-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-17-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-13-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-11-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-9-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-7-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-5-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-33-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-4-0x0000000005F90000-0x0000000006072000-memory.dmp

memory/3932-310-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

memory/3932-620-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-1078-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-1079-0x0000000006280000-0x00000000062E4000-memory.dmp

memory/3932-1080-0x00000000062E0000-0x000000000632C000-memory.dmp

memory/3932-1083-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-1085-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-1086-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-1087-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/3932-1088-0x0000000006C90000-0x0000000007234000-memory.dmp

memory/3932-1089-0x00000000066E0000-0x0000000006734000-memory.dmp

memory/3932-1092-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/5080-1093-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/5080-1094-0x0000000000400000-0x0000000000448000-memory.dmp

memory/5080-1095-0x0000000005730000-0x00000000057CC000-memory.dmp

memory/5080-1096-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/5080-1097-0x0000000006A60000-0x0000000006C22000-memory.dmp

memory/5080-1098-0x0000000006900000-0x0000000006950000-memory.dmp

memory/5080-1099-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/5080-1100-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/5080-1101-0x0000000006C30000-0x0000000006CC2000-memory.dmp

memory/5080-1102-0x0000000006A20000-0x0000000006A2A000-memory.dmp