meduza | c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6

General

Target

c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Size

1.5MB
MD5

922a0eff0c9d9cddbcc13beda1bd216c
SHA1

95056562770dc2804d32fb5c81e0f9ca271e0c7f
SHA256

c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6
SHA512

2961b75f7f171939ebaa1cdb981affb872dd76cf645132dab98f169657914deabc700cfaee710b12177070c99d6da0597e64fa45e31427e7b762f5979ab4fca3
SSDEEP

24576:S9hSDFEfJ3HW888ttsFuquiL4EccqEDr798/IZ0blyGZdMa7d:S9hMFEfVHW888PsFTtL4nQ798Nbl9

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/2784-19-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-28-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-26-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-22-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-16-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-10-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-13-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral1/memory/2784-44-0x0000000140000000-0x000000014010F000-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-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\International\Geo\Nation	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

Deletes itself 1 IoCs

pid	Process
3020	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.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-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.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 2124 set thread context of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.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
3020	cmd.exe
2988	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\a.exe:extractor.dll	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2988	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2784	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2124 wrote to memory of 2784	2124	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	30
PID 2784 wrote to memory of 3020	2784	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	32
PID 2784 wrote to memory of 3020	2784	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	32
PID 2784 wrote to memory of 3020	2784	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	32
PID 3020 wrote to memory of 2988	3020	cmd.exe	34
PID 3020 wrote to memory of 2988	3020	cmd.exe	34
PID 3020 wrote to memory of 2988	3020	cmd.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
"C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
  "C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2784
- - 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\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe"
    3⤵
    - Deletes itself
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3020
  - - 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:2988

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/2124-27-0x000007FEF8060000-0x000007FEF8197000-memory.dmp

Filesize
1.2MB

Download
memory/2124-25-0x000000013FDA0000-0x000000013FF21000-memory.dmp

Filesize
1.5MB

Download
memory/2784-16-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-28-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-26-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-19-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-22-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-3-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-10-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-7-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-5-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2784-4-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-13-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-8-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2784-44-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download

Analysis

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