meduza | c4722166ddccf45c4b8760f61326ab4c34c9fe5a4ae23b8c34195b728d19bac3

Analysis

max time kernel
80s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 22:14

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General

Target
Setup.exe
Size 1.7MB
Sample241003-15vskszbll
SHA256 c4722166ddccf45c4b8760f61326ab4c34c9fe5a4ae23b8c34195b728d19bac3
MD5 f1bca393ebf7d5de3fc6b0f3b2531a45
SHA1 e6323fcf662fd477bb3145021495380d1f88d36f
SHA512 7aab0d2b4cd5608c5caaa8fefdbc39283722b05be9e7e8f0e05e8fbfdcf003d1a2ba0a3dd3afba21e7ad167a2ebbb0603db06d71b74f1dea769cf56082620280
SSDEEP 49152:bK+/T/rL4gdI+QOoAhKgrqAwHsnxFP18:RQuLF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

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/3312-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3312-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3312-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3312-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3312-19-0x0000000140000000-0x000000014013B000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	Setup.exe

Executes dropped EXE 1 IoCs

pid	Process
3312	Setup.exe

Loads dropped DLL 1 IoCs

pid	Process
4872	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4872 set thread context of 3312	4872	Setup.exe	84

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
2624	cmd.exe
1848	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
1848	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3312	Setup.exe
3312	Setup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3312	Setup.exe
Token: SeImpersonatePrivilege	3312	Setup.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 4872 wrote to memory of 3312	4872	Setup.exe	84
PID 3312 wrote to memory of 2624	3312	Setup.exe	85
PID 3312 wrote to memory of 2624	3312	Setup.exe	85
PID 2624 wrote to memory of 1848	2624	cmd.exe	87
PID 2624 wrote to memory of 1848	2624	cmd.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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:4872
- 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:3312
- - 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:2624
  - - 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:1848

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

Setup.exe

Path C:\Users\Admin\AppData\Local\Temp\Setup.exe
Size 1.7MB
SHA256 c4722166ddccf45c4b8760f61326ab4c34c9fe5a4ae23b8c34195b728d19bac3
MD5 f1bca393ebf7d5de3fc6b0f3b2531a45
SHA1 e6323fcf662fd477bb3145021495380d1f88d36f
SHA512 7aab0d2b4cd5608c5caaa8fefdbc39283722b05be9e7e8f0e05e8fbfdcf003d1a2ba0a3dd3afba21e7ad167a2ebbb0603db06d71b74f1dea769cf56082620280
SSDEEP 49152:bK+/T/rL4gdI+QOoAhKgrqAwHsnxFP18:RQuLF
MD5 SHA1 SHA512 SSDEEP

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Setup.exe:a.dll

Path C:\Users\Admin\AppData\Local\Temp\Setup.exe:a.dll
Size 1.4MB
SHA256 5770fadb0c3580ee823fe3623cfa37c931758a044c8e8b5e63bd0d0a052d85f6
MD5 9c3e64fd2eb8a942174daab462c93c8d
SHA1 c245bf6b5422ce76ab84855b07e1307357084bb1
SHA512 3c2db3db5984f083191e2abec4b727d5e7f0bc2aef72114fd7be8a6dd192d0b8f0d7fbed0517b2faeb114f6e66f49f2082742d75e845e294070cfe41a6313af0
SSDEEP 24576:yjSpDfQzSPIBPCFlwcGrNTQqPA+qYT53HpgdpLdEGfqnJUjpwFXK4yINWLrvmpW+:yjS9fQzhPIbYN3uCGf3emINWPMTHjn
MD5 SHA1 SHA512 SSDEEP

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memory/3312-6-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/3312-7-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/3312-4-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/3312-10-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/3312-19-0x0000000140000000-0x000000014013B000-memory.dmp

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memory/4872-9-0x00007FF969AE0000-0x00007FF969C44000-memory.dmp

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memory/4872-8-0x00007FF7F1710000-0x00007FF7F18C6000-memory.dmp

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