Malware Analysis Report

2024-11-30 20:40

Sample ID 241116-cky3haxhqq
Target 1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe
SHA256 1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e
Tags
meduza collection discovery execution spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e

Threat Level: Known bad

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

Malicious Activity Summary

meduza collection discovery execution spyware stealer

Meduza family

Meduza Stealer payload

Meduza

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of web browsers

Checks computer location settings

Checks installed software on the system

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Browser Information Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-16 02:08

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-16 02:08

Reported

2024-11-16 02:11

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

152s

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

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\yxbtFfcbZV\G02OmyP43H.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\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\yxbtFfcbZV\G02OmyP43H.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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\yxbtFfcbZV\G02OmyP43H.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\yxbtFfcbZV\G02OmyP43H.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\yxbtFfcbZV\G02OmyP43H.exe N/A
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\yxbtFfcbZV\G02OmyP43H.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\yxbtFfcbZV\G02OmyP43H.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\yxbtFfcbZV\G02OmyP43H.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\yxbtFfcbZV\G02OmyP43H.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\yxbtFfcbZV\G02OmyP43H.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\yxbtFfcbZV\G02OmyP43H.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 QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXAB5AHgAYgB0AEYAZgBjAGIAWgBWAFwARwAwADIATwBtAHkAUAA0ADMASAAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\yxbtFfcbZV\G02OmyP43H.exe

"C:\Users\Admin\AppData\Local\Temp\yxbtFfcbZV\G02OmyP43H.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
BE 45.130.145.152:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 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 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

memory/4332-0-0x000000007506E000-0x000000007506F000-memory.dmp

memory/4332-1-0x0000000000150000-0x000000000479C000-memory.dmp

memory/4332-2-0x00000000095C0000-0x0000000009B64000-memory.dmp

memory/4332-3-0x00000000090B0000-0x0000000009142000-memory.dmp

memory/4332-4-0x0000000009060000-0x000000000906A000-memory.dmp

memory/4332-5-0x0000000075060000-0x0000000075810000-memory.dmp

memory/4332-6-0x000000007506E000-0x000000007506F000-memory.dmp

memory/4332-7-0x0000000075060000-0x0000000075810000-memory.dmp

memory/4332-8-0x0000000075060000-0x0000000075810000-memory.dmp

memory/3160-10-0x00000000050C0000-0x00000000050F6000-memory.dmp

memory/3160-11-0x0000000075060000-0x0000000075810000-memory.dmp

memory/3160-12-0x0000000075060000-0x0000000075810000-memory.dmp

memory/3160-13-0x00000000057B0000-0x0000000005DD8000-memory.dmp

memory/3160-14-0x0000000005690000-0x00000000056B2000-memory.dmp

memory/3160-15-0x0000000005EE0000-0x0000000005F46000-memory.dmp

memory/3160-16-0x0000000005F50000-0x0000000005FB6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g2snbkwg.lqx.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3160-26-0x0000000006020000-0x0000000006374000-memory.dmp

memory/3160-27-0x00000000066F0000-0x000000000670E000-memory.dmp

memory/3160-28-0x0000000006720000-0x000000000676C000-memory.dmp

memory/3160-29-0x0000000006CB0000-0x0000000006CE2000-memory.dmp

memory/3160-31-0x000000006FC80000-0x000000006FCCC000-memory.dmp

memory/3160-30-0x0000000075060000-0x0000000075810000-memory.dmp

memory/3160-41-0x0000000006C80000-0x0000000006C9E000-memory.dmp

memory/3160-42-0x0000000075060000-0x0000000075810000-memory.dmp

memory/3160-43-0x00000000078D0000-0x0000000007973000-memory.dmp

memory/3160-45-0x0000000007A10000-0x0000000007A2A000-memory.dmp

memory/3160-44-0x0000000008060000-0x00000000086DA000-memory.dmp

memory/3160-46-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

memory/3160-47-0x0000000007CE0000-0x0000000007D76000-memory.dmp

memory/3160-48-0x0000000007C40000-0x0000000007C51000-memory.dmp

memory/3160-49-0x0000000007C70000-0x0000000007C7E000-memory.dmp

memory/3160-50-0x0000000007C80000-0x0000000007C94000-memory.dmp

memory/3160-51-0x0000000007D80000-0x0000000007D9A000-memory.dmp

memory/3160-52-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

memory/3160-55-0x0000000075060000-0x0000000075810000-memory.dmp

memory/4332-56-0x0000000075060000-0x0000000075810000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\yxbtFfcbZV\G02OmyP43H.exe

MD5 823882161f77b0f3dafcbc1112000a98
SHA1 37cc9d3f298a358232a1bbc1cc0376df480525d8
SHA256 bfe90987bd3cee5c347c1db7c6db0f63545bbca447667226798d1ba071915b08
SHA512 4fc2cb284065074498d2b37febba994a9b4d773f9f92555c21c6f8c22a318c25a97f518cb7d0dbf320cf5bcf984b2b9b0e880a9f5a43ed1353f7782ec60343a5

memory/2804-64-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

memory/2804-65-0x0000024488CA0000-0x0000024488DDE000-memory.dmp

memory/4332-73-0x0000000075060000-0x0000000075810000-memory.dmp

memory/2804-74-0x0000024488CA0000-0x0000024488DDE000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-16 02:08

Reported

2024-11-16 02:11

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

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\Z7EtFxnUJY\DPexzrYzgU.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.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
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2428 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2428 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2428 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2428 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2428 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe
PID 2428 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe
PID 2428 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe
PID 2428 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe
PID 2892 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe C:\Windows\system32\WerFault.exe
PID 2892 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe C:\Windows\system32\WerFault.exe
PID 2892 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.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 QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABaADcARQB0AEYAeABuAFUASgBZAFwARABQAGUAeAB6AHIAWQB6AGcAVQAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe

"C:\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2892 -s 616

Network

Country Destination Domain Proto
RU 95.163.152.69:9439 95.163.152.69 tcp
BE 45.130.145.152:15666 tcp

Files

memory/2428-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

memory/2428-1-0x00000000003D0000-0x0000000004A1C000-memory.dmp

memory/2428-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

memory/2428-3-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

memory/2428-4-0x0000000074CE0000-0x00000000753CE000-memory.dmp

memory/2428-5-0x0000000074CE0000-0x00000000753CE000-memory.dmp

memory/2820-9-0x000000006FAA1000-0x000000006FAA2000-memory.dmp

memory/2820-10-0x000000006FAA0000-0x000000007004B000-memory.dmp

memory/2820-11-0x000000006FAA0000-0x000000007004B000-memory.dmp

memory/2820-12-0x000000006FAA0000-0x000000007004B000-memory.dmp

memory/2820-13-0x000000006FAA0000-0x000000007004B000-memory.dmp

memory/2820-14-0x000000006FAA0000-0x000000007004B000-memory.dmp

memory/2428-15-0x0000000074CE0000-0x00000000753CE000-memory.dmp

\Users\Admin\AppData\Local\Temp\Z7EtFxnUJY\DPexzrYzgU.exe

MD5 823882161f77b0f3dafcbc1112000a98
SHA1 37cc9d3f298a358232a1bbc1cc0376df480525d8
SHA256 bfe90987bd3cee5c347c1db7c6db0f63545bbca447667226798d1ba071915b08
SHA512 4fc2cb284065074498d2b37febba994a9b4d773f9f92555c21c6f8c22a318c25a97f518cb7d0dbf320cf5bcf984b2b9b0e880a9f5a43ed1353f7782ec60343a5

memory/2428-23-0x0000000074CE0000-0x00000000753CE000-memory.dmp