meduza | 5e066d1f0785de43a1324cb5f65be29f7ca0678d89857c8b5e8c71c74b92d8f1

General

Target

5e066d1f0785de43a1324cb5f65be29f7ca0678d89857c8b5e8c71c74b92d8f1N.dll
Size

1.2MB
MD5

84defb405b8763fca94d200a42cc0f20
SHA1

d2cccd1e2d038d55efbaa1caad28ea36340d4ad5
SHA256

5e066d1f0785de43a1324cb5f65be29f7ca0678d89857c8b5e8c71c74b92d8f1
SHA512

786f0c79d2a91895c5eb8b643132aa171620642d04a6bc4c9835543695937f0d1a378922d6accd748b43ac154959806b0588570be4e7ec2bb9096a5f9ba436c7
SSDEEP

24576:4tYuDxnwgvM2l+GQJzZV69cOSM79gkFVLlfV7srxq8hNVp9COX6eh/P:4tYYxnwe+JJzCSMm6lcz6

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 8 IoCs

resource	yara_rule
behavioral1/memory/1948-13-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-15-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-16-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-9-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-7-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-5-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-11-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/1948-30-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	1948	rundll32.exe
6	1948	rundll32.exe
8	1948	rundll32.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Control Panel\International\Geo\Nation	rundll32.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-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.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
5	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 1948	1680	rundll32.exe	30

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.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2832	PING.EXE
2936	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2832	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1948	rundll32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1680 wrote to memory of 1948	1680	rundll32.exe	30
PID 1948 wrote to memory of 2936	1948	rundll32.exe	32
PID 1948 wrote to memory of 2936	1948	rundll32.exe	32
PID 1948 wrote to memory of 2936	1948	rundll32.exe	32
PID 2936 wrote to memory of 2832	2936	cmd.exe	34
PID 2936 wrote to memory of 2832	2936	cmd.exe	34
PID 2936 wrote to memory of 2832	2936	cmd.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e066d1f0785de43a1324cb5f65be29f7ca0678d89857c8b5e8c71c74b92d8f1N.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1948
- - 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:\Windows\system32\rundll32.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - 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:2832

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

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1948-0-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-13-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-15-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-16-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-9-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-7-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-5-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-4-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

Filesize
4KB

Download
memory/1948-3-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-1-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-11-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/1948-2-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

Filesize
4KB

Download
memory/1948-30-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download

Analysis

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