Analysis
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max time kernel
93s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
submitted
09/07/2024, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
mr_0x0003B03B43F6EE12.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
mr_0x0003B03B43F6EE12.exe
Resource
win10v2004-20240709-en
General
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Target
mr_0x0003B03B43F6EE12.exe
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Size
2.1MB
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MD5
0468a32ad1ed1169e98b897d87f51164
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SHA1
0d9dc54a5f91e6ed7d324c2a65b152a168d57b08
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SHA256
643dde3f461907a94f145b3cd8fe37dbad63aec85a4e5ed759fe843b9214a8d2
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SHA512
7deb90629608f3a227e96d948bbb4c78ad21e1eb659bfdab903d4f25bdb1e6c8af7edec9604274aa745dd90f8253e48fbccf661f2bc2b6609e5b8807645750ca
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SSDEEP
24576:GQZEhAybJ37KtuUZ786qGbAJYhIRKPS0dJDhrI4ufnLVVx90e+7ym:WAC3a78sIRSGVV8V5
Malware Config
Extracted
meduza
5.42.107.78
Signatures
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Meduza Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/212-0-0x000001EADD6B0000-0x000001EADD799000-memory.dmp family_meduza -
Meduza family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation mr_0x0003B03B43F6EE12.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 api.ipify.org 4 api.ipify.org -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4764 cmd.exe 4780 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4780 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 212 mr_0x0003B03B43F6EE12.exe 212 mr_0x0003B03B43F6EE12.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 212 wrote to memory of 4764 212 mr_0x0003B03B43F6EE12.exe 79 PID 212 wrote to memory of 4764 212 mr_0x0003B03B43F6EE12.exe 79 PID 4764 wrote to memory of 4780 4764 cmd.exe 81 PID 4764 wrote to memory of 4780 4764 cmd.exe 81 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mr_0x0003B03B43F6EE12.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\mr_0x0003B03B43F6EE12.exe"C:\Users\Admin\AppData\Local\Temp\mr_0x0003B03B43F6EE12.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:212 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\mr_0x0003B03B43F6EE12.exe"2⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30003⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4780
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1