meduza | 2e0ccd8d3ca72b4322294b5b3fbead5d454da524b1fe87bd5687ef00481f7bfe | Triage

Analysis

max time kernel
133s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
04/10/2024, 13:06

Sharing

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General

Target

App_installer32_64x.exe
Size

2.4MB
MD5

2552cda61ecc9cffc215808b8310d697
SHA1

bd3c5bfb31cd257606563a44dec61a23b3e2e6e8
SHA256

2e0ccd8d3ca72b4322294b5b3fbead5d454da524b1fe87bd5687ef00481f7bfe
SHA512

dd42dad49c28c3040a1534c88e6ecc5812b9488b2ef59377921ea74db1bb0d258392830f94281a78427b978ed4dc26a1eb2868eabb8b703e9a38533ca84dba31
SSDEEP

49152:pVUJTk3/vizpr2Tv7CJDLeD8O3Rg2JVLe2NKrCAnWwey5:dZ7CJDL4adnzey5

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
behavioral1/memory/3796-4-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral1/memory/3796-7-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral1/memory/3796-10-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral1/memory/3796-6-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral1/memory/3796-19-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral1/memory/3796-20-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Control Panel\International\Geo\Nation	App_installer32_64x.exe

Executes dropped EXE 1 IoCs

pid	Process
3796	App_installer32_64x.exe

Loads dropped DLL 1 IoCs

pid	Process
4672	App_installer32_64x.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

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.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 4672 set thread context of 3796	4672	App_installer32_64x.exe	71

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.

Internet Connection Discovery

pid	Process
4840	cmd.exe
5072	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\App_installer32_64x.exe:a.dll	App_installer32_64x.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

pid	Process
5072	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3796	App_installer32_64x.exe
3796	App_installer32_64x.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 4672 wrote to memory of 3796	4672	App_installer32_64x.exe	71
PID 3796 wrote to memory of 4840	3796	App_installer32_64x.exe	72
PID 3796 wrote to memory of 4840	3796	App_installer32_64x.exe	72
PID 4840 wrote to memory of 5072	4840	cmd.exe	74
PID 4840 wrote to memory of 5072	4840	cmd.exe	74

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe

C:\Users\Admin\AppData\Local\Temp\App_installer32_64x.exe
"C:\Users\Admin\AppData\Local\Temp\App_installer32_64x.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Users\Admin\AppData\Local\Temp\App_installer32_64x.exe
  "C:\Users\Admin\AppData\Local\Temp\App_installer32_64x.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:3796
- - 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\App_installer32_64x.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - 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:5072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Browser Information Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\App_installer32_64x.exe

Filesize
2.4MB

MD5
2552cda61ecc9cffc215808b8310d697

SHA1
bd3c5bfb31cd257606563a44dec61a23b3e2e6e8

SHA256
2e0ccd8d3ca72b4322294b5b3fbead5d454da524b1fe87bd5687ef00481f7bfe

SHA512
dd42dad49c28c3040a1534c88e6ecc5812b9488b2ef59377921ea74db1bb0d258392830f94281a78427b978ed4dc26a1eb2868eabb8b703e9a38533ca84dba31

Download Submit
memory/3796-4-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/3796-7-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/3796-10-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/3796-6-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/3796-19-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/3796-20-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/4672-9-0x00007FFAB0FD0000-0x00007FFAB1109000-memory.dmp

Filesize
1.2MB

Download
memory/4672-8-0x00007FF7890A0000-0x00007FF789317000-memory.dmp

Filesize
2.5MB

Download