meduza | 41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3

General

Target
41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
Size 2.4MB
Sample241001-qrtcgswbke
SHA256 41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3
MD5 4d91fd816d2bac403f052f864bcd62dc
SHA1 f861a0f192ae3bc05d993dcdafd667df30c43d13
SHA512 31c4ffca08050116bf0237fd42f0b9a800d5a3535eaf6a604b4fac0a0ac0827de727773f5e618e44d8975967d8c499629c04612f2f51d7d43b464d273508bc1f
SSDEEP 49152:ym3c8RgY8M2lBfNGy8Tt5nVzZTM3pyoaz+vXcDLbx4/XlbdZ0/TkBipmTzn:75y8Tt5r0azFLmv0/IBS0z
MD5 SHA1 SHA512 SSDEEP

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 5 IoCs

resource	yara_rule
behavioral2/memory/4364-3-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/4364-5-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/4364-9-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/4364-6-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/4364-16-0x0000000140000000-0x000000014010F000-memory.dmp	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe

Loads dropped DLL 1 IoCs

pid	Process
3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.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
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3300 set thread context of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83

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
668	cmd.exe
64	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
64	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4364	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
4364	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 3300 wrote to memory of 4364	3300	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	83
PID 4364 wrote to memory of 668	4364	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	84
PID 4364 wrote to memory of 668	4364	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe	84
PID 668 wrote to memory of 64	668	cmd.exe	86
PID 668 wrote to memory of 64	668	cmd.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe

C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
"C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
  "C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4364
- - 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:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:668
  - - 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:64

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

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Downloads

a.dll

Path C:\Users\Admin\AppData\Local\Temp\a.dll
Size 1.2MB
SHA256 cc8301eb030aa359ac127d29e0688028bab5b0e2f86767267f57f600a122aaff
MD5 8408308cc95713eee855a883ed23cc33
SHA1 9d08f4ceb0bc1e3c6b08e17e5df29c07010fe915
SHA512 f99140d046ad96ce45831d67ff950201df215c86e36435157a826d85984267c2cfc69a94e312e1c6dcb82e97a90e31cdfa2b8903745335d7e837d4b73f01bf74
SSDEEP 24576:TtYuDxnwgOjryWX/51bbbbbbkg2ybbbbbbNK4e0yPIiPBpEGkHVQqo9Cd8pAQ:TtYYxnwPHPvzbbbbbbkg2ybbbbbbLNNp
MD5 SHA1 SHA512 SSDEEP

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memory/3300-8-0x00007FF8F8820000-0x00007FF8F8957000-memory.dmp

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memory/3300-7-0x00007FF77E860000-0x00007FF77EAD6000-memory.dmp

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memory/4364-3-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/4364-5-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/4364-9-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/4364-6-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/4364-16-0x0000000140000000-0x000000014010F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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