Malware Analysis Report

2024-11-30 20:13

Sample ID 241115-k98bgasbpq
Target 306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe
SHA256 306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712
Tags
discovery execution meduza collection 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

306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712

Threat Level: Known bad

The file 306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe was found to be: Known bad.

Malicious Activity Summary

discovery execution meduza collection spyware stealer

Meduza Stealer payload

Meduza

Meduza family

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

Reads user/profile data of web browsers

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

Browser Information Discovery

System Location Discovery: System Language Discovery

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

2024-11-15 09:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 09:19

Reported

2024-11-15 09:21

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe N/A

Looks up external IP address via web service

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

Enumerates physical storage devices

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\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3068 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3068 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3068 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3068 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3068 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe
PID 3068 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe
PID 3068 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe
PID 3068 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe
PID 2208 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe C:\Windows\system32\WerFault.exe
PID 2208 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe C:\Windows\system32\WerFault.exe
PID 2208 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe

"C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABkAFoAWgBHAGMARwB6AHoAWABlAFwASAAyAG8AaQBPAFUATgA1AGEASQAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe

"C:\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2208 -s 652

Network

Country Destination Domain Proto
US 150.241.95.163:80 150.241.95.163 tcp
BE 45.130.145.152:15666 tcp
US 8.8.8.8:53 api.ipify.org udp

Files

memory/3068-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

memory/3068-1-0x0000000000D10000-0x000000000533C000-memory.dmp

memory/3068-2-0x0000000074B60000-0x000000007524E000-memory.dmp

memory/3068-3-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

memory/3068-4-0x0000000074B60000-0x000000007524E000-memory.dmp

memory/3068-5-0x0000000074B60000-0x000000007524E000-memory.dmp

memory/2648-9-0x000000006F991000-0x000000006F992000-memory.dmp

memory/2648-10-0x000000006F990000-0x000000006FF3B000-memory.dmp

memory/2648-13-0x000000006F990000-0x000000006FF3B000-memory.dmp

memory/2648-12-0x000000006F990000-0x000000006FF3B000-memory.dmp

memory/2648-11-0x000000006F990000-0x000000006FF3B000-memory.dmp

memory/2648-14-0x000000006F990000-0x000000006FF3B000-memory.dmp

memory/3068-15-0x0000000074B60000-0x000000007524E000-memory.dmp

\Users\Admin\AppData\Local\Temp\dZZGcGzzXe\H2oiOUN5aI.exe

MD5 183e24b654414d7be786ccd8e6a108a5
SHA1 a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256 69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512 8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b

memory/3068-23-0x0000000074B60000-0x000000007524E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-15 09:19

Reported

2024-11-15 09:21

Platform

win10v2004-20241007-en

Max time kernel

91s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe"

Signatures

Meduza

stealer meduza

Meduza Stealer 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

Meduza family

meduza

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.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 Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe

"C:\Users\Admin\AppData\Local\Temp\306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABuAEEAVgBOAG4AMgBNAFMAcgBTAFwAZABnAHoAZgA5AEsAMwAyAEIAOQAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe

"C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 150.241.95.163:80 150.241.95.163 tcp
US 8.8.8.8:53 163.95.241.150.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
BE 45.130.145.152:15666 tcp
US 8.8.8.8:53 152.145.130.45.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 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1392-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

memory/1392-1-0x0000000000BF0000-0x000000000521C000-memory.dmp

memory/1392-2-0x000000000A1C0000-0x000000000A764000-memory.dmp

memory/1392-3-0x0000000009B10000-0x0000000009BA2000-memory.dmp

memory/1392-4-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/1392-5-0x0000000009AE0000-0x0000000009AEA000-memory.dmp

memory/1392-6-0x00000000748CE000-0x00000000748CF000-memory.dmp

memory/1392-7-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/1392-8-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-10-0x0000000002730000-0x0000000002766000-memory.dmp

memory/232-11-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-12-0x0000000004E10000-0x0000000005438000-memory.dmp

memory/232-13-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-14-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-15-0x0000000005440000-0x0000000005462000-memory.dmp

memory/232-16-0x00000000055E0000-0x0000000005646000-memory.dmp

memory/232-17-0x0000000005650000-0x00000000056B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rfdujhfv.dxj.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/232-23-0x00000000056D0000-0x0000000005A24000-memory.dmp

memory/232-28-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

memory/232-29-0x0000000005D70000-0x0000000005DBC000-memory.dmp

memory/232-31-0x000000006F4E0000-0x000000006F52C000-memory.dmp

memory/232-30-0x0000000006280000-0x00000000062B2000-memory.dmp

memory/232-41-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-43-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-42-0x00000000062D0000-0x00000000062EE000-memory.dmp

memory/232-44-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/232-45-0x0000000006CD0000-0x0000000006D73000-memory.dmp

memory/232-46-0x0000000007650000-0x0000000007CCA000-memory.dmp

memory/232-47-0x0000000007010000-0x000000000702A000-memory.dmp

memory/232-48-0x00000000070D0000-0x00000000070DA000-memory.dmp

memory/232-49-0x00000000072E0000-0x0000000007376000-memory.dmp

memory/232-50-0x0000000007240000-0x0000000007251000-memory.dmp

memory/232-51-0x0000000007270000-0x000000000727E000-memory.dmp

memory/232-52-0x0000000007280000-0x0000000007294000-memory.dmp

memory/232-53-0x0000000007380000-0x000000000739A000-memory.dmp

memory/232-54-0x00000000072C0000-0x00000000072C8000-memory.dmp

memory/232-57-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/1392-58-0x00000000748C0000-0x0000000075070000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\nAVNn2MSrS\dgzf9K32B9.exe

MD5 183e24b654414d7be786ccd8e6a108a5
SHA1 a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256 69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512 8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b

memory/1212-66-0x00007FFE2A9B0000-0x00007FFE2ABA5000-memory.dmp

memory/1212-67-0x0000016D111E0000-0x0000016D1131E000-memory.dmp

memory/1392-75-0x00000000748C0000-0x0000000075070000-memory.dmp

memory/1212-76-0x0000016D111E0000-0x0000016D1131E000-memory.dmp

memory/1212-77-0x0000016D111E0000-0x0000016D1131E000-memory.dmp