meduza | b1a638cc1c6fab24c26193035daa72cdc459deebf7a11de130cf41a4218e81d0 | Triage

Analysis

max time kernel
92s
max time network
125s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04-10-2024 13:04

Sharing

Report Analysis Logs

General

Target

setup_run.exe
Size

1.7MB
MD5

f9e546bb5a4898d65b61f8b3d93a1662
SHA1

a4f5d8c4fec7657211c71c31f92d347cad13b1c8
SHA256

b1a638cc1c6fab24c26193035daa72cdc459deebf7a11de130cf41a4218e81d0
SHA512

a98fdb03a485051f33ea092b0805d2c2f3e2d3a3a58697a120459139ab2b6c94c27910467cc863ad78defcbf7d90f2edd81fb2356daa9f76bb448e9cf609e037
SSDEEP

49152:ubo95a6iGYtRzPWn9jbijSv3ZXYUYpyc2y5BkA:eBP0OSvZXwpcy5Bk

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Signatures

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

Meduza Stealer payload 6 IoCs

resource	yara_rule
behavioral4/memory/4888-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral4/memory/4888-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral4/memory/4888-8-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral4/memory/4888-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral4/memory/4888-19-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral4/memory/4888-20-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza

Executes dropped EXE 1 IoCs

pid	Process
4888	setup_run.exe

Loads dropped DLL 1 IoCs

pid	Process
5812	setup_run.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

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.exe
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.exe
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.exe
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.exe
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5812 set thread context of 4888	5812	setup_run.exe	78

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

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

Internet Connection Discovery

pid	Process
5864	cmd.exe
2512	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\setup_run.exe:a.dll	setup_run.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

pid	Process
2512	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4888	setup_run.exe
4888	setup_run.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	setup_run.exe
Token: SeImpersonatePrivilege	4888	setup_run.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 5812 wrote to memory of 4888	5812	setup_run.exe	78
PID 4888 wrote to memory of 5864	4888	setup_run.exe	79
PID 4888 wrote to memory of 5864	4888	setup_run.exe	79
PID 5864 wrote to memory of 2512	5864	cmd.exe	81
PID 5864 wrote to memory of 2512	5864	cmd.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup_run.exe

C:\Users\Admin\AppData\Local\Temp\setup_run.exe
"C:\Users\Admin\AppData\Local\Temp\setup_run.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:5812
- C:\Users\Admin\AppData\Local\Temp\setup_run.exe
  "C:\Users\Admin\AppData\Local\Temp\setup_run.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4888
- - 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\setup_run.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:5864
  - - C:\Windows\system32\PING.EXE
      ping 1.1.1.1 -n 1 -w 3000
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Browser Information Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.7MB

MD5
f9e546bb5a4898d65b61f8b3d93a1662

SHA1
a4f5d8c4fec7657211c71c31f92d347cad13b1c8

SHA256
b1a638cc1c6fab24c26193035daa72cdc459deebf7a11de130cf41a4218e81d0

SHA512
a98fdb03a485051f33ea092b0805d2c2f3e2d3a3a58697a120459139ab2b6c94c27910467cc863ad78defcbf7d90f2edd81fb2356daa9f76bb448e9cf609e037

Download Submit
C:\Users\Admin\AppData\Local\Temp\setup_run.exe:a.dll

Filesize
1.4MB

MD5
4ab64f8774087d5abee3d3e9948a9300

SHA1
cb42ed04a1b24fdaf69e830cad784c43d573d0c4

SHA256
17f9d20b69fbb1a76558ad6a16629246f9834fb4e0c9813235c7190a3eeb0c02

SHA512
7a3251844d7d633f150a623a8c208376e884baa00cd4e7162220f8c568a6fcb5c8ce7a024a43d0b55fde3a2280a74c21da8b8667793df6ab7a6f9f8091de51ac

Download Submit
memory/4888-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4888-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4888-8-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4888-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4888-19-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4888-20-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/5812-10-0x00007FF9F44B0000-0x00007FF9F4614000-memory.dmp

Filesize
1.4MB

Download
memory/5812-9-0x00007FF67E220000-0x00007FF67E3D5000-memory.dmp

Filesize
1.7MB

Download