meduza | 6d03736a2eef6e9b31e97a1d3a22468d060f77e8dd129c465859355271906549

General

Target

Setup.exe
Size

635.3MB
MD5

0e6ceb4555d18d6110137491f14efd02
SHA1

e943cfad58ac3f4a464b93456d0c78b0ca47c367
SHA256

e076269058626f49a4cf8455732e3a6566e49ccce73bfeffedd00fc94db886bd
SHA512

a436040ed79e582bfe8b175cc191a14b87127a83791e7c49760faeab643d82cdd0662554a07e107f696b6b7871c899ee3f0cd272146b952d35f8593c49322eee
SSDEEP

6144:hpcPBXe1j1agJRe6qTF38D6t6HTu5PmhrD:hwBmagJRe6qc6t6z/D

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
Mazti
extensions
.txt
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
behavioral3/memory/3496-16-0x000001C3FEA10000-0x000001C3FEB51000-memory.dmp	family_meduza
behavioral3/memory/3496-27-0x000001C3FEA10000-0x000001C3FEB51000-memory.dmp	family_meduza
behavioral3/memory/3496-28-0x000001C3FEA10000-0x000001C3FEB51000-memory.dmp	family_meduza

Meduza family
meduza

Executes dropped EXE 1 IoCs

pid	Process
3496	0b8a23c4-9898-462b-8bdb-3077a31c6884.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-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
Key opened	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
Key opened	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
Key opened	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
Key opened	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.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
1	api.ipify.org
5	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

pid	Process
3496	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
3496	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	Setup.exe
Token: SeDebugPrivilege	3496	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
Token: SeImpersonatePrivilege	3496	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3496	2116	Setup.exe	77
PID 2116 wrote to memory of 3496	2116	Setup.exe	77

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0b8a23c4-9898-462b-8bdb-3077a31c6884.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\1331f259-61cb-4e70-b070-4ca8fc245257\0b8a23c4-9898-462b-8bdb-3077a31c6884.exe
  "C:\Users\Admin\AppData\Local\Temp\1331f259-61cb-4e70-b070-4ca8fc245257\0b8a23c4-9898-462b-8bdb-3077a31c6884.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

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\1331f259-61cb-4e70-b070-4ca8fc245257\0b8a23c4-9898-462b-8bdb-3077a31c6884.exe

Filesize
3.2MB

MD5
ffcd6c4fe2661cfa22792cc0d68d21d2

SHA1
ad42fc5c3916f11fc1313e9f97d70444181ed4e0

SHA256
04ee4273c7d08c675451e0122ff01a5f9e7f701c451b8624c9c55d087fa4865b

SHA512
9908ad32426188fdf06370265672b2c6ff8c71f226468412fa02342fde5310bc723bd5af48f4d041cef4771e863b6f2098ffa47f51d1d34703cb0428d764c9dc

Download Submit
memory/2116-6-0x00007FF881770000-0x00007FF882232000-memory.dmp

Filesize
10.8MB

Download
memory/2116-2-0x00007FF881770000-0x00007FF882232000-memory.dmp

Filesize
10.8MB

Download
memory/2116-3-0x00007FF881770000-0x00007FF882232000-memory.dmp

Filesize
10.8MB

Download
memory/2116-4-0x00007FF881773000-0x00007FF881775000-memory.dmp

Filesize
8KB

Download
memory/2116-5-0x00007FF881770000-0x00007FF882232000-memory.dmp

Filesize
10.8MB

Download
memory/2116-0-0x00007FF881773000-0x00007FF881775000-memory.dmp

Filesize
8KB

Download
memory/2116-1-0x000002BC84A80000-0x000002BC85A80000-memory.dmp

Filesize
16.0MB

Download
memory/2116-26-0x00007FF881770000-0x00007FF882232000-memory.dmp

Filesize
10.8MB

Download
memory/3496-15-0x00007FF890D20000-0x00007FF890F29000-memory.dmp

Filesize
2.0MB

Download
memory/3496-16-0x000001C3FEA10000-0x000001C3FEB51000-memory.dmp

Filesize
1.3MB

Download
memory/3496-27-0x000001C3FEA10000-0x000001C3FEB51000-memory.dmp

Filesize
1.3MB

Download
memory/3496-28-0x000001C3FEA10000-0x000001C3FEB51000-memory.dmp

Filesize
1.3MB

Download

Analysis

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