meduza | 3bf9143cb56f6f414b6a97c36bb0d85faaf5800eed96b82d8e344a39f5d6c25d

General

Target

91b2d45daae10e1bf5348028f3785581.exe
Size

3.6MB
MD5

91b2d45daae10e1bf5348028f3785581
SHA1

2c291aea85bfe99950c9c7e90bf439eb057439ae
SHA256

3bf9143cb56f6f414b6a97c36bb0d85faaf5800eed96b82d8e344a39f5d6c25d
SHA512

62c03bc84d04d7a982aa756ec6a6d0cfdce50fc63d0cb50ba946fd81a8359eb0f9ea6668432bdc72c35ef4ac82abcfd1325a9432a98bc6361a4dcbfb21193a8f
SSDEEP

49152:bByPnIwyCv1zSXFfGo4QLaGd5GBlGJ+waRI:

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

89.22.239.174

Attributes

anti_dbg
true
anti_vm
true
build_name
elmnov
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 9 IoCs

resource	yara_rule
behavioral1/memory/2844-9-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-11-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-12-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-6-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-5-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-4-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-3-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-26-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2844-27-0x0000000140000000-0x000000014013E000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Control Panel\International\Geo\Nation	91b2d45daae10e1bf5348028f3785581.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-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.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 1596 set thread context of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	91b2d45daae10e1bf5348028f3785581.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	91b2d45daae10e1bf5348028f3785581.exe
Token: SeImpersonatePrivilege	2844	91b2d45daae10e1bf5348028f3785581.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28
PID 1596 wrote to memory of 2844	1596	91b2d45daae10e1bf5348028f3785581.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	91b2d45daae10e1bf5348028f3785581.exe

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
"C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
  C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2844

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

memory/2844-0-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-9-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-11-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-12-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-7-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-5-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-4-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-3-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-1-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-2-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-26-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2844-27-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download

Analysis

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