meduza | 5a11f62b542cfdad4639e490ba312cf0a911edcccbee98dd859ca7c9af19313b

Analysis

max time kernel
1149s
max time network
1152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 19:10

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General

Target

Solara.exe
Size

702.3MB
MD5

4a8663562de787bd73373e3beb354ec4
SHA1

7f47d22c13d7ba5d9468ab4eaed15e4db4558d3f
SHA256

5a11f62b542cfdad4639e490ba312cf0a911edcccbee98dd859ca7c9af19313b
SHA512

63cd2069a9fb8371d22c71a15138fc07632044ff40654428bd9c1ed1091bf266f6d00346dc1a24442afb2094340b536a3970e77eed80af5c82818736e19f2b08
SSDEEP

24576:45gG2YYesWBxQiZhPoRHfIlhwBn9POOUKGlIaAI/+r5pGFccM4L+0RRKc9EeMbDx:4572gDjQOPmfnBROOUKGoAocLFRNAFG

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 3 IoCs

resource	yara_rule
behavioral2/memory/3688-27-0x0000022E9C750000-0x0000022E9C88E000-memory.dmp	family_meduza
behavioral2/memory/3688-36-0x0000022E9C750000-0x0000022E9C88E000-memory.dmp	family_meduza
behavioral2/memory/3688-37-0x0000022E9C750000-0x0000022E9C88E000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Solara.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	librarydll2.exe

Executes dropped EXE 1 IoCs

pid	Process
3688	librarydll2.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.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
29	api.ipify.org
30	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 3 IoCs

pid	Process
1516	Solara.exe
3688	librarydll2.exe
3688	librarydll2.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	Solara.exe
Token: SeIncreaseQuotaPrivilege	1516	Solara.exe
Token: SeSecurityPrivilege	1516	Solara.exe
Token: SeTakeOwnershipPrivilege	1516	Solara.exe
Token: SeLoadDriverPrivilege	1516	Solara.exe
Token: SeSystemProfilePrivilege	1516	Solara.exe
Token: SeSystemtimePrivilege	1516	Solara.exe
Token: SeProfSingleProcessPrivilege	1516	Solara.exe
Token: SeIncBasePriorityPrivilege	1516	Solara.exe
Token: SeCreatePagefilePrivilege	1516	Solara.exe
Token: SeBackupPrivilege	1516	Solara.exe
Token: SeRestorePrivilege	1516	Solara.exe
Token: SeShutdownPrivilege	1516	Solara.exe
Token: SeDebugPrivilege	1516	Solara.exe
Token: SeSystemEnvironmentPrivilege	1516	Solara.exe
Token: SeRemoteShutdownPrivilege	1516	Solara.exe
Token: SeUndockPrivilege	1516	Solara.exe
Token: SeManageVolumePrivilege	1516	Solara.exe
Token: 33	1516	Solara.exe
Token: 34	1516	Solara.exe
Token: 35	1516	Solara.exe
Token: 36	1516	Solara.exe
Token: SeDebugPrivilege	3688	librarydll2.exe
Token: SeImpersonatePrivilege	3688	librarydll2.exe
Token: SeIncreaseQuotaPrivilege	1516	Solara.exe
Token: SeSecurityPrivilege	1516	Solara.exe
Token: SeTakeOwnershipPrivilege	1516	Solara.exe
Token: SeLoadDriverPrivilege	1516	Solara.exe
Token: SeSystemProfilePrivilege	1516	Solara.exe
Token: SeSystemtimePrivilege	1516	Solara.exe
Token: SeProfSingleProcessPrivilege	1516	Solara.exe
Token: SeIncBasePriorityPrivilege	1516	Solara.exe
Token: SeCreatePagefilePrivilege	1516	Solara.exe
Token: SeBackupPrivilege	1516	Solara.exe
Token: SeRestorePrivilege	1516	Solara.exe
Token: SeShutdownPrivilege	1516	Solara.exe
Token: SeDebugPrivilege	1516	Solara.exe
Token: SeSystemEnvironmentPrivilege	1516	Solara.exe
Token: SeRemoteShutdownPrivilege	1516	Solara.exe
Token: SeUndockPrivilege	1516	Solara.exe
Token: SeManageVolumePrivilege	1516	Solara.exe
Token: 33	1516	Solara.exe
Token: 34	1516	Solara.exe
Token: 35	1516	Solara.exe
Token: 36	1516	Solara.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 3688	1516	Solara.exe	95
PID 1516 wrote to memory of 3688	1516	Solara.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	librarydll2.exe

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\librarydll2.exe
  "C:\Users\Admin\AppData\Local\Temp\librarydll2.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:3688

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fcxw403s.04i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\librarydll2.exe

Filesize
3.2MB

MD5
fe5fba2815e1e5f6928b694f2bc2edde

SHA1
494812af7107e8bff88a570f95289c5e26940573

SHA256
825577bf9307e9e8e89d88ce293942229af633786c4d4f72bf5c3084a5a72948

SHA512
72caa9a8d65d69f6c50e9db34a63d0c65d8d25bc9d0fb531f0fc83d6951c037a6eb52b12da8537b43a3c863420eaa8b50c8ba4f6369097ce9fbbfb788be66330

Download Submit
memory/1516-16-0x00007FFC4F050000-0x00007FFC4FB11000-memory.dmp

Filesize
10.8MB

Download
memory/1516-1-0x0000029515410000-0x0000029516410000-memory.dmp

Filesize
16.0MB

Download
memory/1516-4-0x00007FFC4F050000-0x00007FFC4FB11000-memory.dmp

Filesize
10.8MB

Download
memory/1516-5-0x00007FFC4F050000-0x00007FFC4FB11000-memory.dmp

Filesize
10.8MB

Download
memory/1516-2-0x00007FFC4F050000-0x00007FFC4FB11000-memory.dmp

Filesize
10.8MB

Download
memory/1516-15-0x000002955B960000-0x000002955B982000-memory.dmp

Filesize
136KB

Download
memory/1516-0-0x00007FFC4F053000-0x00007FFC4F055000-memory.dmp

Filesize
8KB

Download
memory/1516-3-0x00007FFC4F053000-0x00007FFC4F055000-memory.dmp

Filesize
8KB

Download
memory/1516-35-0x00007FFC4F050000-0x00007FFC4FB11000-memory.dmp

Filesize
10.8MB

Download
memory/1516-26-0x00007FFC4F050000-0x00007FFC4FB11000-memory.dmp

Filesize
10.8MB

Download
memory/3688-27-0x0000022E9C750000-0x0000022E9C88E000-memory.dmp

Filesize
1.2MB

Download
memory/3688-25-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/3688-36-0x0000022E9C750000-0x0000022E9C88E000-memory.dmp

Filesize
1.2MB

Download
memory/3688-37-0x0000022E9C750000-0x0000022E9C88E000-memory.dmp

Filesize
1.2MB

Download