meduza | 8fad9ced8eef4b980c51eca9f5b2b1095b69de9dfe204592ca99782102169c37

Analysis

max time kernel
117s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 19:44

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General

Target

Solara.exe
Size

661.5MB
MD5

7d3b06cecfecb12e7c3bd7abe6584f03
SHA1

47e52e97b6d3319d7b6814bfd54b2736fb0588a6
SHA256

f0afd56542a9fb756acf276cd0e026f312a1a85116da2d51afb25ec6100310fd
SHA512

072d0584f992f509d9efee59982d5e729debf21c433a81b7c3f0a601b7fb257f1cd4750c0b617b4abd1c620984b570c1cb4ec3eaeada3a8278d904acd24da763
SSDEEP

98304:457plQ1rRPyQRUbhFVSDoWGbqNv2ODzfIlgrSd5D:+plMRPyQRUbhFwDp2+5fpSd5

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Work
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
grabber_max_size
4.194304e+06
port
15666
self_destruct
false

Signatures

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

Meduza Stealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3060-12-0x0000000001C50000-0x0000000001D8E000-memory.dmp	family_meduza
behavioral1/memory/3060-23-0x0000000001C50000-0x0000000001D8E000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

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

Processes:

installer.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\International\Geo\Nation	installer.exe

Executes dropped EXE 1 IoCs

Processes:

installer.exe

pid	Process
3060	installer.exe

Loads dropped DLL 1 IoCs

Processes:

Solara.exe

pid	Process
2072	Solara.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

Processes:

installer.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.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.

Processes:

flow	ioc
9	api.ipify.org
8	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

installer.exe

pid	Process
3060	installer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Solara.exeinstaller.exe

description	pid	Process
Token: SeDebugPrivilege	2072	Solara.exe
Token: SeDebugPrivilege	3060	installer.exe
Token: SeImpersonatePrivilege	3060	installer.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Solara.exe

description	pid	Process	procid_target
PID 2072 wrote to memory of 3060	2072	Solara.exe	31
PID 2072 wrote to memory of 3060	2072	Solara.exe	31
PID 2072 wrote to memory of 3060	2072	Solara.exe	31

outlook_office_path 1 IoCs

Processes:

installer.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe

outlook_win_path 1 IoCs

Processes:

installer.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\installer.exe
  "C:\Users\Admin\AppData\Local\Temp\installer.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\installer.exe

Filesize
3.2MB

MD5
1f453ea0b228aaa80fc1b49de8209816

SHA1
62299a245f28ec9cf2a902b79b2af4aa76ca3ef5

SHA256
576f4f144c08fdbfbb44e7d679d26ab8b1526b58a781625deb095a4ba9f2105f

SHA512
fdbb42caef70e8ec84e0ede91e86ef209fd413c2f01eacba72bd128433a27d9234fbee940f87f1d3726cb4e6a0a0737f99a835787ebf44e2b66d75c6f34c6c94

Download Submit
memory/2072-0-0x000007FEF5703000-0x000007FEF5704000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x00000000011E0000-0x00000000021E0000-memory.dmp

Filesize
16.0MB

Download
memory/2072-2-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-3-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-4-0x000007FEF5703000-0x000007FEF5704000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-11-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-14-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

Filesize
9.9MB

Download
memory/3060-12-0x0000000001C50000-0x0000000001D8E000-memory.dmp

Filesize
1.2MB

Download
memory/3060-23-0x0000000001C50000-0x0000000001D8E000-memory.dmp

Filesize
1.2MB

Download