meduza | 7a88ac88cd9a64ac367e048c1ce14a6fb31d5025a95e8ff6fc42730ac3f941a3

General

Target

Aura.exe
Size

2.7MB
MD5

3567ee60deb35afd811a25424c9b13a8
SHA1

850f2bf4dbd2e569a9aca863402c392226753956
SHA256

7a88ac88cd9a64ac367e048c1ce14a6fb31d5025a95e8ff6fc42730ac3f941a3
SHA512

a004731ba7d2abdf8bd1691ef98356da7e9119d1d7d281d824d9229a21acbf6a82801620250eafec63bbf5d09817b5ae93776d8721543a2a7e1bd2ecbe80c20a
SSDEEP

49152:kPw34yFJzSdhPzD0mOd4606hU6HznMO8ieMB2FT9m+49UYl1VGZS+M:H9mOd46WO8lFU9XV9

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/2564-4-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/2564-8-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/2564-10-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/2564-9-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/2564-17-0x0000000140000000-0x000000014014F000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	Aura.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	Aura.exe

Loads dropped DLL 1 IoCs

pid	Process
1232	Aura.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.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
6	api.ipify.org
7	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 2564	1232	Aura.exe	82

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
392	PING.EXE
1576	cmd.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\Aura.exe:a.dll	Aura.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
392	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2564	Aura.exe
2564	Aura.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 1232 wrote to memory of 2564	1232	Aura.exe	82
PID 2564 wrote to memory of 1576	2564	Aura.exe	87
PID 2564 wrote to memory of 1576	2564	Aura.exe	87
PID 1576 wrote to memory of 392	1576	cmd.exe	89
PID 1576 wrote to memory of 392	1576	cmd.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe

C:\Users\Admin\AppData\Local\Temp\Aura.exe
"C:\Users\Admin\AppData\Local\Temp\Aura.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\Aura.exe
  "C:\Users\Admin\AppData\Local\Temp\Aura.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2564
- - 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\Aura.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1576
  - - 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:392

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

C:\Users\Admin\AppData\Local\Temp\Aura.exe

Filesize
2.7MB

MD5
3567ee60deb35afd811a25424c9b13a8

SHA1
850f2bf4dbd2e569a9aca863402c392226753956

SHA256
7a88ac88cd9a64ac367e048c1ce14a6fb31d5025a95e8ff6fc42730ac3f941a3

SHA512
a004731ba7d2abdf8bd1691ef98356da7e9119d1d7d281d824d9229a21acbf6a82801620250eafec63bbf5d09817b5ae93776d8721543a2a7e1bd2ecbe80c20a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Aura.exe:a.dll

Filesize
1.4MB

MD5
9123b83c1df6ead534e4961f71c5f990

SHA1
8c52f400b274da911f63c2e99b72d9e23719298d

SHA256
ad9b9da90c157ffc51b1284a6d47f439119fd4e11f4c57063b4ba13c9889fbc0

SHA512
d3489aa96d8603e36728b99b117306b1f10fdf921db0043281680cfc9db344079a50ae5c07a7fbb1f37cb089c35cd183f4ab67b64ce2a03004ba99307933e39a

Download Submit
memory/1232-6-0x00007FF8EBA90000-0x00007FF8EBC08000-memory.dmp

Filesize
1.5MB

Download
memory/1232-5-0x00007FF743E20000-0x00007FF7440D6000-memory.dmp

Filesize
2.7MB

Download
memory/2564-4-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/2564-8-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/2564-10-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/2564-9-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/2564-17-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download

Analysis

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