meduza | 01727e80a2ee158fd5ba45e8daa44ba9e247fcc773f597a2ac4e4613184f8992 | Triage

Analysis

max time kernel
151s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 14:54

Sharing

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General

Target

Wave.exe
Size

643.6MB
MD5

a726fea7cdd1d2a92cbeac73348b421e
SHA1

a5f69df93108582acc64f6dd657ba8bbcf3f59a0
SHA256

e64730dd7dafd54e6c2071bd4ea593183bea7f13cb9565b49868b791c0038fc1
SHA512

08eea35ade0f717e8e4dd642d3d6d43ccd9961744ce88847f8f6550c95b5c3e4262cda5587041f40fcb3151acdfee21341c3de014e244c167c0167bb2dce47dd
SSDEEP

196608:SQMOi4kWU+f6zuiVkwzAqdyT+Qf+RLmN45Rk:SQMOddff6PVkwttQf+RLy45R

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

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/2144-17-0x000002A893C00000-0x000002A893D3E000-memory.dmp	family_meduza
behavioral2/memory/2144-27-0x000002A893C00000-0x000002A893D3E000-memory.dmp	family_meduza
behavioral2/memory/2144-28-0x000002A893C00000-0x000002A893D3E000-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

System Information Discovery

Processes:

Wave.exe026816af-2112-494b-bbec-197e870a06cb.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	Wave.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	026816af-2112-494b-bbec-197e870a06cb.exe

Executes dropped EXE 1 IoCs

Processes:

026816af-2112-494b-bbec-197e870a06cb.exe

pid	Process
2144	026816af-2112-494b-bbec-197e870a06cb.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

Processes:

026816af-2112-494b-bbec-197e870a06cb.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026816af-2112-494b-bbec-197e870a06cb.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026816af-2112-494b-bbec-197e870a06cb.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026816af-2112-494b-bbec-197e870a06cb.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026816af-2112-494b-bbec-197e870a06cb.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026816af-2112-494b-bbec-197e870a06cb.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
26	api.ipify.org
27	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 2 IoCs

Processes:

026816af-2112-494b-bbec-197e870a06cb.exe

pid	Process
2144	026816af-2112-494b-bbec-197e870a06cb.exe
2144	026816af-2112-494b-bbec-197e870a06cb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Wave.exe026816af-2112-494b-bbec-197e870a06cb.exe

description	pid	Process
Token: SeDebugPrivilege	324	Wave.exe
Token: SeDebugPrivilege	2144	026816af-2112-494b-bbec-197e870a06cb.exe
Token: SeImpersonatePrivilege	2144	026816af-2112-494b-bbec-197e870a06cb.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

Wave.exe

description	pid	Process	procid_target
PID 324 wrote to memory of 2144	324	Wave.exe	97
PID 324 wrote to memory of 2144	324	Wave.exe	97

outlook_office_path 1 IoCs

Processes:

026816af-2112-494b-bbec-197e870a06cb.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	026816af-2112-494b-bbec-197e870a06cb.exe

outlook_win_path 1 IoCs

Processes:

026816af-2112-494b-bbec-197e870a06cb.exe

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	026816af-2112-494b-bbec-197e870a06cb.exe

C:\Users\Admin\AppData\Local\Temp\Wave.exe
"C:\Users\Admin\AppData\Local\Temp\Wave.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324
- C:\Users\Admin\AppData\Local\Temp\5adf16fd-3d9d-4b31-90b6-5a5986e09a83\026816af-2112-494b-bbec-197e870a06cb.exe
  "C:\Users\Admin\AppData\Local\Temp\5adf16fd-3d9d-4b31-90b6-5a5986e09a83\026816af-2112-494b-bbec-197e870a06cb.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:2144

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

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5adf16fd-3d9d-4b31-90b6-5a5986e09a83\026816af-2112-494b-bbec-197e870a06cb.exe

Filesize
3.2MB

MD5
814a59368670f8d35ad8eb71ab874666

SHA1
ca386125774e35b84c16bacfbe52919a354434ac

SHA256
98d8aa77d46e09b79c04b5f4556b1d389c6f62549a5ac0f961a6d8f2961fa55d

SHA512
57c30c5838a59f7d82343d40cbb539a1405485f51ceaf6350c52b27b1e54d5a9c9e2b8e08a8a73644e1ddd2733135128b1339c53676ba770a3bd0d69f33c192f

Download Submit
memory/324-3-0x00007FFECE403000-0x00007FFECE405000-memory.dmp

Filesize
8KB

Download
memory/324-2-0x00007FFECE400000-0x00007FFECEEC1000-memory.dmp

Filesize
10.8MB

Download
memory/324-0-0x00007FFECE403000-0x00007FFECE405000-memory.dmp

Filesize
8KB

Download
memory/324-4-0x00007FFECE400000-0x00007FFECEEC1000-memory.dmp

Filesize
10.8MB

Download
memory/324-5-0x00007FFECE400000-0x00007FFECEEC1000-memory.dmp

Filesize
10.8MB

Download
memory/324-1-0x00000128A1860000-0x00000128A2860000-memory.dmp

Filesize
16.0MB

Download
memory/324-24-0x00007FFECE400000-0x00007FFECEEC1000-memory.dmp

Filesize
10.8MB

Download
memory/324-26-0x00007FFECE400000-0x00007FFECEEC1000-memory.dmp

Filesize
10.8MB

Download
memory/2144-16-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

Filesize
2.0MB

Download
memory/2144-17-0x000002A893C00000-0x000002A893D3E000-memory.dmp

Filesize
1.2MB

Download
memory/2144-27-0x000002A893C00000-0x000002A893D3E000-memory.dmp

Filesize
1.2MB

Download
memory/2144-28-0x000002A893C00000-0x000002A893D3E000-memory.dmp

Filesize
1.2MB

Download