meduza | 576f4f144c08fdbfbb44e7d679d26ab8b1526b58a781625deb095a4ba9f2105f

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 19:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

birdflower.exe
Size

3.2MB
MD5

1f453ea0b228aaa80fc1b49de8209816
SHA1

62299a245f28ec9cf2a902b79b2af4aa76ca3ef5
SHA256

576f4f144c08fdbfbb44e7d679d26ab8b1526b58a781625deb095a4ba9f2105f
SHA512

fdbb42caef70e8ec84e0ede91e86ef209fd413c2f01eacba72bd128433a27d9234fbee940f87f1d3726cb4e6a0a0737f99a835787ebf44e2b66d75c6f34c6c94
SSDEEP

24576:S/frmzI7lsX7Rh7lmXh0lhSMXlWuQdcfFiAb0Ng8PhD4AhNJEz0vZoYOhO:KfrmzI7OXBGuk6J0NRJD46NYYo

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

Processes:

resource	yara_rule
behavioral2/memory/3440-1-0x00000256C9140000-0x00000256C927E000-memory.dmp	family_meduza
behavioral2/memory/3440-10-0x00000256C9140000-0x00000256C927E000-memory.dmp	family_meduza
behavioral2/memory/3440-11-0x00000256C9140000-0x00000256C927E000-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

Processes:

birdflower.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	birdflower.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:

birdflower.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	birdflower.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	birdflower.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	birdflower.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	birdflower.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	birdflower.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
2	api.ipify.org
4	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

birdflower.exe

pid	Process
3440	birdflower.exe
3440	birdflower.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

birdflower.exe

description	pid	Process
Token: SeDebugPrivilege	3440	birdflower.exe
Token: SeImpersonatePrivilege	3440	birdflower.exe

outlook_office_path 1 IoCs

Processes:

birdflower.exe

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

outlook_win_path 1 IoCs

Processes:

birdflower.exe

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	birdflower.exe

C:\Users\Admin\AppData\Local\Temp\birdflower.exe
"C:\Users\Admin\AppData\Local\Temp\birdflower.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3440

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3440-0-0x00007FFF0C430000-0x00007FFF0C625000-memory.dmp

Filesize
2.0MB

Download
memory/3440-1-0x00000256C9140000-0x00000256C927E000-memory.dmp

Filesize
1.2MB

Download
memory/3440-10-0x00000256C9140000-0x00000256C927E000-memory.dmp

Filesize
1.2MB

Download
memory/3440-11-0x00000256C9140000-0x00000256C927E000-memory.dmp

Filesize
1.2MB

Download