meduza | c4722166ddccf45c4b8760f61326ab4c34c9fe5a4ae23b8c34195b728d19bac3

General

Target

Setup.exe
Size

1.7MB
MD5

f1bca393ebf7d5de3fc6b0f3b2531a45
SHA1

e6323fcf662fd477bb3145021495380d1f88d36f
SHA256

c4722166ddccf45c4b8760f61326ab4c34c9fe5a4ae23b8c34195b728d19bac3
SHA512

7aab0d2b4cd5608c5caaa8fefdbc39283722b05be9e7e8f0e05e8fbfdcf003d1a2ba0a3dd3afba21e7ad167a2ebbb0603db06d71b74f1dea769cf56082620280
SSDEEP

49152:bK+/T/rL4gdI+QOoAhKgrqAwHsnxFP18:RQuLF

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 6 IoCs

resource	yara_rule
behavioral2/memory/3596-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3596-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3596-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3596-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3596-19-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3596-20-0x0000000140000000-0x000000014013B000-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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	Setup.exe

Executes dropped EXE 1 IoCs

pid	Process
3596	Setup.exe

Loads dropped DLL 1 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 872 set thread context of 3596	872	Setup.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
3436	cmd.exe
2888	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2888	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3596	Setup.exe
3596	Setup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	Setup.exe
Token: SeImpersonatePrivilege	3596	Setup.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 872 wrote to memory of 3596	872	Setup.exe	82
PID 3596 wrote to memory of 3436	3596	Setup.exe	88
PID 3596 wrote to memory of 3436	3596	Setup.exe	88
PID 3436 wrote to memory of 2888	3436	cmd.exe	90
PID 3436 wrote to memory of 2888	3436	cmd.exe	90

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	Setup.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	Setup.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:872
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.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:3596
- - 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.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3436
  - - 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:2888

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.exe

Filesize
1.7MB

MD5
f1bca393ebf7d5de3fc6b0f3b2531a45

SHA1
e6323fcf662fd477bb3145021495380d1f88d36f

SHA256
c4722166ddccf45c4b8760f61326ab4c34c9fe5a4ae23b8c34195b728d19bac3

SHA512
7aab0d2b4cd5608c5caaa8fefdbc39283722b05be9e7e8f0e05e8fbfdcf003d1a2ba0a3dd3afba21e7ad167a2ebbb0603db06d71b74f1dea769cf56082620280

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

Filesize
1.4MB

MD5
9c3e64fd2eb8a942174daab462c93c8d

SHA1
c245bf6b5422ce76ab84855b07e1307357084bb1

SHA256
5770fadb0c3580ee823fe3623cfa37c931758a044c8e8b5e63bd0d0a052d85f6

SHA512
3c2db3db5984f083191e2abec4b727d5e7f0bc2aef72114fd7be8a6dd192d0b8f0d7fbed0517b2faeb114f6e66f49f2082742d75e845e294070cfe41a6313af0

Download Submit
memory/872-9-0x00007FF889B50000-0x00007FF889CB4000-memory.dmp

Filesize
1.4MB

Download
memory/872-8-0x00007FF773760000-0x00007FF773916000-memory.dmp

Filesize
1.7MB

Download
memory/3596-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3596-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3596-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3596-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3596-19-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3596-20-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download

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