meduza | d7e8681893924d22c41513ebf851a219cc2fc08322a9353afaf2b2575c107ae1

General

Target

file.exe
Size

1.2MB
MD5

e4988eb723ce5d55a74e5797c22f5d83
SHA1

6440cdb22f83128c928269b09425f030ed158ccf
SHA256

d7e8681893924d22c41513ebf851a219cc2fc08322a9353afaf2b2575c107ae1
SHA512

316c14812b8ceb3a00b52913d4da44ebdb666ead9be82eddedac1e41f323c6cbfd6d4df57ef94829fd6842a85c524b3b345fe347441ef476442047640a1112ac
SSDEEP

24576:Bdl/JxIgevnHodySw5KP8lXkV8sWGzv6VD0iNKlsTEc8GF71X:/l/E5vnIdyd5Q8lXkBmLNfk27F

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 3 IoCs

resource	yara_rule
behavioral2/memory/2356-1-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza
behavioral2/memory/2356-2-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza
behavioral2/memory/2356-3-0x0000000000400000-0x0000000000526000-memory.dmp	family_meduza

Meduza family
meduza

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	file.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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
8	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2356	2744	file.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	file.exe
2356	file.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	file.exe
Token: SeImpersonatePrivilege	2356	file.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84
PID 2744 wrote to memory of 2356	2744	file.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2356-1-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2356-2-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2356-3-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2356-4-0x0000000000BB0000-0x0000000000CF1000-memory.dmp

Filesize
1.3MB

Download
memory/2744-0-0x0000000000BCA000-0x0000000000BCB000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing