meduza | 5c6985e002a60d821fd7b029b2c5d04c3ee16bb619999202f6dbdf432d229989

General

Target

c50f8f31c903a9f88b6bdec9b9f8962b.exe
Size

4.1MB
MD5

c50f8f31c903a9f88b6bdec9b9f8962b
SHA1

39e30a482d13a431797c02a0d0c90fa9829981e2
SHA256

5c6985e002a60d821fd7b029b2c5d04c3ee16bb619999202f6dbdf432d229989
SHA512

6a2361e6bc5706b5ad0e8264b7767b620111d879dae1bdb463771a39422e20aac204eb25dc06c0820ec69260ffb2ae8e0d939982c865029e2252daeb9cc1f87d
SSDEEP

49152:/xGK0l3e3ubtiuIv0ZVHnWmuQ5zrSmEvj1BZ:/xGK09yuQZ

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes

anti_dbg
true
anti_vm
true
build_name
kanew
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/1820-12-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-13-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-10-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-8-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-7-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-6-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-5-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-29-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral1/memory/1820-30-0x0000000140000000-0x0000000140141000-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-1-5-21-3290804112-2823094203-3137964600-1000\Control Panel\International\Geo\Nation	c50f8f31c903a9f88b6bdec9b9f8962b.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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c50f8f31c903a9f88b6bdec9b9f8962b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c50f8f31c903a9f88b6bdec9b9f8962b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c50f8f31c903a9f88b6bdec9b9f8962b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c50f8f31c903a9f88b6bdec9b9f8962b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c50f8f31c903a9f88b6bdec9b9f8962b.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1820	c50f8f31c903a9f88b6bdec9b9f8962b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	c50f8f31c903a9f88b6bdec9b9f8962b.exe
Token: SeImpersonatePrivilege	1820	c50f8f31c903a9f88b6bdec9b9f8962b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31
PID 1508 wrote to memory of 1820	1508	c50f8f31c903a9f88b6bdec9b9f8962b.exe	31

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	c50f8f31c903a9f88b6bdec9b9f8962b.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	c50f8f31c903a9f88b6bdec9b9f8962b.exe

C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe
"C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe
  C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1820

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/1820-2-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-9-0x000007FFFFFDA000-0x000007FFFFFDB000-memory.dmp

Filesize
4KB

Download
memory/1820-12-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-13-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-10-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-8-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-7-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-6-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-5-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-4-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-3-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-29-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/1820-30-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download

Analysis

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