Malware Analysis Report

2024-11-30 20:42

Sample ID 241116-swnc5syera
Target 1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e
SHA256 1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e
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

1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e

Threat Level: Known bad

The file 1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e was found to be: Known bad.

Malicious Activity Summary

discovery execution meduza collection spyware stealer

Meduza family

Meduza Stealer payload

Meduza

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Checks computer location settings

Accesses Microsoft Outlook profiles

Checks installed software on the system

Looks up external IP address via web service

Browser Information Discovery

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

outlook_win_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-16 15:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-16 15:28

Reported

2024-11-16 15:31

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe 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\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.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\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3036 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3036 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3036 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3036 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3036 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe
PID 3036 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe
PID 3036 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe
PID 3036 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe
PID 2732 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe C:\Windows\system32\WerFault.exe
PID 2732 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe C:\Windows\system32\WerFault.exe
PID 2732 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe

"C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe"

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

"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABiAHUAeABMAGYAbAA0AEQAMQBHAFwAVwBBADgATAAxADMAdABPAGoARAAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe

"C:\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2732 -s 44

Network

Country Destination Domain Proto
RU 95.163.152.69:9439 95.163.152.69 tcp

Files

memory/3036-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/3036-1-0x0000000000F50000-0x000000000559C000-memory.dmp

memory/3036-2-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/3036-3-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/3036-4-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/3036-5-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2692-9-0x000000006F7E1000-0x000000006F7E2000-memory.dmp

memory/2692-10-0x000000006F7E0000-0x000000006FD8B000-memory.dmp

memory/2692-11-0x000000006F7E0000-0x000000006FD8B000-memory.dmp

memory/2692-13-0x000000006F7E0000-0x000000006FD8B000-memory.dmp

memory/2692-12-0x000000006F7E0000-0x000000006FD8B000-memory.dmp

memory/2692-14-0x000000006F7E0000-0x000000006FD8B000-memory.dmp

memory/3036-15-0x0000000074A40000-0x000000007512E000-memory.dmp

\Users\Admin\AppData\Local\Temp\buxLfl4D1G\WA8L13tOjD.exe

MD5 21506ae1a222c3862c04d187b07ed714
SHA1 c70d79f32b962bf2e7e7901034aaedd8f2e71e35
SHA256 267e274b75ba1c49847eb93d95be90b6382768926e9c3674d115c21c3cc6f2c4
SHA512 351b4739f56820e271887d953ce1fdf68e19c11e84db9325e6f03866c0fc0ec1f6072db03a4013aa914f21990367fc207bfa0f9c41452553d5960881046a034f

memory/3036-28-0x0000000074A40000-0x000000007512E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-16 15:28

Reported

2024-11-16 15:31

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.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:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.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\kKH2SSXRW6\z6FZ7T4zEo.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe

"C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe"

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

"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABrAEsASAAyAFMAUwBYAFIAVwA2AFwAegA2AEYAWgA3AFQANAB6AEUAbwAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe

"C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
RU 95.163.152.69:9439 95.163.152.69 tcp
US 8.8.8.8:53 69.152.163.95.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
BE 45.130.145.152:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 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 8.8.8.8:53 152.145.130.45.in-addr.arpa udp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3672-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

memory/3672-1-0x0000000000E10000-0x000000000545C000-memory.dmp

memory/3672-2-0x000000000A430000-0x000000000A9D4000-memory.dmp

memory/3672-3-0x0000000009D30000-0x0000000009DC2000-memory.dmp

memory/3672-4-0x0000000009D10000-0x0000000009D1A000-memory.dmp

memory/3672-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/3672-6-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

memory/3672-7-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/3672-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-10-0x00000000045F0000-0x0000000004626000-memory.dmp

memory/4920-11-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-12-0x0000000004D20000-0x0000000005348000-memory.dmp

memory/4920-13-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-14-0x0000000004BE0000-0x0000000004C02000-memory.dmp

memory/4920-15-0x0000000004C80000-0x0000000004CE6000-memory.dmp

memory/4920-16-0x0000000005450000-0x00000000054B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tfmz5rjr.5w1.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4920-26-0x0000000005580000-0x00000000058D4000-memory.dmp

memory/4920-27-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-28-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

memory/4920-29-0x0000000005C00000-0x0000000005C4C000-memory.dmp

memory/4920-30-0x0000000006180000-0x00000000061B2000-memory.dmp

memory/4920-32-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-43-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-42-0x00000000061C0000-0x00000000061DE000-memory.dmp

memory/4920-44-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4920-45-0x0000000006DA0000-0x0000000006E43000-memory.dmp

memory/4920-31-0x000000006F8F0000-0x000000006F93C000-memory.dmp

memory/4920-47-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

memory/4920-46-0x0000000007520000-0x0000000007B9A000-memory.dmp

memory/4920-48-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

memory/4920-49-0x00000000071A0000-0x0000000007236000-memory.dmp

memory/4920-50-0x0000000007110000-0x0000000007121000-memory.dmp

memory/4920-51-0x0000000007140000-0x000000000714E000-memory.dmp

memory/4920-52-0x0000000007150000-0x0000000007164000-memory.dmp

memory/4920-53-0x0000000007240000-0x000000000725A000-memory.dmp

memory/4920-54-0x0000000007190000-0x0000000007198000-memory.dmp

memory/4920-57-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/3672-58-0x0000000074CD0000-0x0000000075480000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kKH2SSXRW6\z6FZ7T4zEo.exe

MD5 21506ae1a222c3862c04d187b07ed714
SHA1 c70d79f32b962bf2e7e7901034aaedd8f2e71e35
SHA256 267e274b75ba1c49847eb93d95be90b6382768926e9c3674d115c21c3cc6f2c4
SHA512 351b4739f56820e271887d953ce1fdf68e19c11e84db9325e6f03866c0fc0ec1f6072db03a4013aa914f21990367fc207bfa0f9c41452553d5960881046a034f

memory/4304-66-0x00007FF6E7630000-0x00007FF6E7631000-memory.dmp

memory/4304-74-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3672-82-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/4304-83-0x0000000140000000-0x000000014013E000-memory.dmp

memory/4304-84-0x0000000140000000-0x000000014013E000-memory.dmp