Malware Analysis Report

2024-11-30 20:13

Sample ID 241115-lbw18asbrp
Target ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe
SHA256 ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f
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

ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f

Threat Level: Known bad

The file ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe was found to be: Known bad.

Malicious Activity Summary

discovery execution meduza collection spyware stealer

Meduza family

Meduza Stealer payload

Meduza

Downloads MZ/PE file

Command and Scripting Interpreter: PowerShell

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks installed software on the system

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Browser Information Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-15 09:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 09:22

Reported

2024-11-15 09:24

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.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-1-5-21-3063565911-2056067323-3330884624-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe N/A

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

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\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.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\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.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\CakPMiMbNK\Vx20VTiN5Q.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2256 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2256 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2256 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2256 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2256 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe
PID 2256 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe
PID 2256 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe
PID 2256 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe
PID 2432 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe C:\Windows\system32\WerFault.exe
PID 2432 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe C:\Windows\system32\WerFault.exe
PID 2432 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe

"C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe"

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

"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABDAGEAawBQAE0AaQBNAGIATgBLAFwAVgB4ADIAMABWAFQAaQBOADUAUQAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe

"C:\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2432 -s 648

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
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/2256-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/2256-1-0x00000000012D0000-0x00000000012DE000-memory.dmp

memory/2256-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

memory/2256-3-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/2256-4-0x0000000074CA0000-0x000000007538E000-memory.dmp

memory/2256-5-0x0000000074CA0000-0x000000007538E000-memory.dmp

memory/2832-9-0x000000006FB91000-0x000000006FB92000-memory.dmp

memory/2832-11-0x000000006FB90000-0x000000007013B000-memory.dmp

memory/2832-10-0x000000006FB90000-0x000000007013B000-memory.dmp

memory/2832-12-0x000000006FB90000-0x000000007013B000-memory.dmp

memory/2832-13-0x000000006FB90000-0x000000007013B000-memory.dmp

memory/2256-14-0x0000000074CA0000-0x000000007538E000-memory.dmp

memory/2832-15-0x000000006FB90000-0x000000007013B000-memory.dmp

\Users\Admin\AppData\Local\Temp\CakPMiMbNK\Vx20VTiN5Q.exe

MD5 183e24b654414d7be786ccd8e6a108a5
SHA1 a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256 69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512 8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b

memory/2256-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-15 09:22

Reported

2024-11-15 09:24

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.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\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.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\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.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\Lc7Trb8U3r\M2wQZGClrW.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe

"C:\Users\Admin\AppData\Local\Temp\ca53439dbc9699e109a1810227c124dadca4066758511727be95e57b8ce3bc0f.exe"

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

"powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABMAGMANwBUAHIAYgA4AFUAMwByAFwATQAyAHcAUQBaAEcAQwBsAHIAVwAuAGUAeABlACcA

C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe

"C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 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 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1612-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/1612-1-0x0000000000160000-0x000000000016E000-memory.dmp

memory/1612-2-0x00000000050D0000-0x0000000005674000-memory.dmp

memory/1612-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

memory/1612-5-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1612-4-0x0000000004B90000-0x0000000004B9A000-memory.dmp

memory/1612-6-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/1612-7-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1612-8-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-10-0x0000000004950000-0x0000000004986000-memory.dmp

memory/1616-11-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-12-0x0000000005030000-0x0000000005658000-memory.dmp

memory/1616-14-0x0000000005830000-0x0000000005896000-memory.dmp

memory/1616-16-0x00000000058A0000-0x0000000005906000-memory.dmp

memory/1616-15-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-13-0x0000000005690000-0x00000000056B2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hrwjpypx.bq3.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1616-26-0x0000000005910000-0x0000000005C64000-memory.dmp

memory/1616-27-0x0000000005F10000-0x0000000005F2E000-memory.dmp

memory/1616-28-0x0000000005FC0000-0x000000000600C000-memory.dmp

memory/1616-29-0x00000000064E0000-0x0000000006512000-memory.dmp

memory/1616-30-0x000000006FE60000-0x000000006FEAC000-memory.dmp

memory/1616-40-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-41-0x00000000070F0000-0x000000000710E000-memory.dmp

memory/1616-42-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-43-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-44-0x0000000007110000-0x00000000071B3000-memory.dmp

memory/1616-45-0x00000000078A0000-0x0000000007F1A000-memory.dmp

memory/1616-46-0x0000000007260000-0x000000000727A000-memory.dmp

memory/1616-47-0x0000000007320000-0x000000000732A000-memory.dmp

memory/1616-48-0x0000000007530000-0x00000000075C6000-memory.dmp

memory/1616-49-0x0000000007490000-0x00000000074A1000-memory.dmp

memory/1616-50-0x00000000074C0000-0x00000000074CE000-memory.dmp

memory/1616-51-0x00000000074D0000-0x00000000074E4000-memory.dmp

memory/1616-52-0x00000000075D0000-0x00000000075EA000-memory.dmp

memory/1616-53-0x0000000007510000-0x0000000007518000-memory.dmp

memory/1612-54-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/1616-57-0x00000000750C0000-0x0000000075870000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Lc7Trb8U3r\M2wQZGClrW.exe

MD5 183e24b654414d7be786ccd8e6a108a5
SHA1 a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256 69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512 8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b

memory/3448-65-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/3448-66-0x0000029BF8AF0000-0x0000029BF8C2E000-memory.dmp

memory/1612-74-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/3448-75-0x0000029BF8AF0000-0x0000029BF8C2E000-memory.dmp

memory/3448-76-0x0000029BF8AF0000-0x0000029BF8C2E000-memory.dmp