meduza | d5c07b87020c3f828eb65aff09629c9c2500ac199bb1691a8915991c086790bb

Resubmissions

08/10/2024, 18:12

241008-wtl9vazgnj

08/10/2024, 18:12

241008-ws5pssteqb10

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 18:12

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General

Target
Aura.exe
Size 2.7MB
Sample241008-ws5pssteqb
SHA256 d5c07b87020c3f828eb65aff09629c9c2500ac199bb1691a8915991c086790bb
MD5 ebcea241bb72d1c541d60bef37e72db2
SHA1 c97391b1d839e4522610466771a1069e83ebb8dd
SHA512 38b76b47a1af766e8fa163e782206316b31ad0ca6d02f57ba36a8692fa9c0b1d2497fd02e8474d407a8741768ec36b9c974310d32275838c8b4072aae59608b3
SSDEEP 49152:07nCuBFB+Pf/pMNlmBy9W9l4uV31C6MEWmir8f01uVDoEKgH/o:px1By9WPMDxgFV9Xf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

109.107.181.162

Attributes

anti_dbg
true
anti_vm
true
build_name
425
extensions
none
grabber_max_size
1.048576e+06
links
none
port
15666
self_destruct
true

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 6 IoCs

resource	yara_rule
behavioral2/memory/2780-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2780-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2780-8-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2780-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2780-19-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2780-20-0x0000000140000000-0x000000014013B000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Aura.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	Aura.exe

Loads dropped DLL 1 IoCs

pid	Process
1736	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 2780	1736	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
4384	cmd.exe
400	PING.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
400	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1736	Aura.exe
1736	Aura.exe
1736	Aura.exe
1736	Aura.exe
2780	Aura.exe
2780	Aura.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	Aura.exe
Token: SeImpersonatePrivilege	2780	Aura.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 1736 wrote to memory of 2780	1736	Aura.exe	82
PID 2780 wrote to memory of 4384	2780	Aura.exe	87
PID 2780 wrote to memory of 4384	2780	Aura.exe	87
PID 4384 wrote to memory of 400	4384	cmd.exe	90
PID 4384 wrote to memory of 400	4384	cmd.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Aura.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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 behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1736
- 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 AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2780
- - 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:4384
  - - 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:400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

Aura.exe

Path C:\Users\Admin\AppData\Local\Temp\Aura.exe
Size 2.7MB
SHA256 d5c07b87020c3f828eb65aff09629c9c2500ac199bb1691a8915991c086790bb
MD5 ebcea241bb72d1c541d60bef37e72db2
SHA1 c97391b1d839e4522610466771a1069e83ebb8dd
SHA512 38b76b47a1af766e8fa163e782206316b31ad0ca6d02f57ba36a8692fa9c0b1d2497fd02e8474d407a8741768ec36b9c974310d32275838c8b4072aae59608b3
SSDEEP 49152:07nCuBFB+Pf/pMNlmBy9W9l4uV31C6MEWmir8f01uVDoEKgH/o:px1By9WPMDxgFV9Xf
MD5 SHA1 SHA512 SSDEEP

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Aura.exe:a.dll

Path C:\Users\Admin\AppData\Local\Temp\Aura.exe:a.dll
Size 1.4MB
SHA256 71bfa65d9dd46d1b2bd21f0ee74e6ff5c1aa1ae9573294192fff99529afce130
MD5 52b828f7862b737b071c0762e055e1b5
SHA1 72310b6a9ab5a6b1c06173b5c34c05e46ad2f709
SHA512 4cff6203ed40a56ac32d676bd0baa0af6d8eafded6967210d1bcc152eaad7e63e290c5f4353b631df95138cb34a27a9185c38396ce27246a3555055cbd2f8599
SSDEEP 24576:BjSpDfQz9EiJlAzX5LkPwDKcFNirrba/7FeZLC+KBopWriJvqSCk8LNnWE7yKaTO:BjS9fQz60iTDRmbazFeM+KBoDtK4Jz
MD5 SHA1 SHA512 SSDEEP

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memory/1736-10-0x00007FFD1FD00000-0x00007FFD1FE64000-memory.dmp

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memory/1736-9-0x00007FF7DA750000-0x00007FF7DAA15000-memory.dmp

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memory/2780-4-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/2780-7-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/2780-8-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/2780-6-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/2780-19-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/2780-20-0x0000000140000000-0x000000014013B000-memory.dmp

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