meduza | 38f09edc87d2d94f3e8fe2e6119be2285e2e0afd64d0c4a53f7d62c9d8f9cbf3

General

Target

setup.7.0.exe
Size

1.7MB
MD5

994bb906f5c652d50b21a45c76c530c1
SHA1

ad90263d8b82f065a56efc728f6e226a60196792
SHA256

1a471d692acc84510b6af7c3ca4953823177bd4af8b569480a7e0862f88587e0
SHA512

6a99872d9884a1d609f984038fb661ac4e44608591d14cdb76741ecbb9bd5bfb6d1edb9f07c45865837502bc6b5dee74947179dd1eb38a4d7c1f7b2a30ca139c
SSDEEP

49152:7bo95a6iGYm/aY3NZd7LcwSrhn8SjWoCu:w/n7LyhZjWoCu

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
behavioral6/memory/2492-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral6/memory/2492-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral6/memory/2492-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral6/memory/2492-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral6/memory/2492-17-0x0000000140000000-0x000000014013B000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	setup.7.0.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	setup.7.0.exe

Loads dropped DLL 1 IoCs

pid	Process
3168	setup.7.0.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.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 3168 set thread context of 2492	3168	setup.7.0.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
2140	cmd.exe
1788	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\setup.7.0.exe:a.dll	setup.7.0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1788	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2492	setup.7.0.exe
2492	setup.7.0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	setup.7.0.exe
Token: SeImpersonatePrivilege	2492	setup.7.0.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 3168 wrote to memory of 2492	3168	setup.7.0.exe	82
PID 2492 wrote to memory of 2140	2492	setup.7.0.exe	85
PID 2492 wrote to memory of 2140	2492	setup.7.0.exe	85
PID 2140 wrote to memory of 1788	2140	cmd.exe	87
PID 2140 wrote to memory of 1788	2140	cmd.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	setup.7.0.exe

C:\Users\Admin\AppData\Local\Temp\setup.7.0.exe
"C:\Users\Admin\AppData\Local\Temp\setup.7.0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3168
- C:\Users\Admin\AppData\Local\Temp\setup.7.0.exe
  "C:\Users\Admin\AppData\Local\Temp\setup.7.0.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:2492
- - 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\setup.7.0.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2140
  - - 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:1788

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\setup.7.0.exe

Filesize
1.7MB

MD5
994bb906f5c652d50b21a45c76c530c1

SHA1
ad90263d8b82f065a56efc728f6e226a60196792

SHA256
1a471d692acc84510b6af7c3ca4953823177bd4af8b569480a7e0862f88587e0

SHA512
6a99872d9884a1d609f984038fb661ac4e44608591d14cdb76741ecbb9bd5bfb6d1edb9f07c45865837502bc6b5dee74947179dd1eb38a4d7c1f7b2a30ca139c

Download Submit
C:\Users\Admin\AppData\Local\Temp\setup.7.0.exe:a.dll

Filesize
1.4MB

MD5
7174024be7da44564fb982f235475e91

SHA1
e85017e81251e3b4463c63657af78c4fd6166032

SHA256
68c07fa0a1704dc6465f6eac11c24b9c018a7c4c9a182613c69c29f70ead91bb

SHA512
e03535c0b22c1ab80f2a6463dbdfe7d34d5e6fbb3a865436c93abc5046faefc1f227a7280315825331d6b237e9bf3a1134339689599e6577530f87bf0a013b3a

Download Submit
memory/2492-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2492-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2492-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2492-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2492-17-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3168-9-0x00007FFE5F830000-0x00007FFE5F994000-memory.dmp

Filesize
1.4MB

Download
memory/3168-8-0x00007FF75FC70000-0x00007FF75FE25000-memory.dmp

Filesize
1.7MB

Download

Analysis

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