meduza | 2e0ccd8d3ca72b4322294b5b3fbead5d454da524b1fe87bd5687ef00481f7bfe

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
behavioral2/memory/4764-10-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral2/memory/4764-7-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral2/memory/4764-6-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral2/memory/4764-4-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral2/memory/4764-19-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza
behavioral2/memory/4764-20-0x0000000140000000-0x0000000140110000-memory.dmp	family_meduza

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	App_installer32_64x.exe

Executes dropped EXE 1 IoCs

pid	Process
4764	App_installer32_64x.exe

Loads dropped DLL 1 IoCs

pid	Process
3276	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

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	App_installer32_64x.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3276 set thread context of 4764	3276	App_installer32_64x.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
2380	cmd.exe
4564	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

T1018

pid	Process
4564	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4764	App_installer32_64x.exe
4764	App_installer32_64x.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 3276 wrote to memory of 4764	3276	App_installer32_64x.exe	82
PID 4764 wrote to memory of 2380	4764	App_installer32_64x.exe	92
PID 4764 wrote to memory of 2380	4764	App_installer32_64x.exe	92
PID 2380 wrote to memory of 4564	2380	cmd.exe	94
PID 2380 wrote to memory of 4564	2380	cmd.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\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-1-5-21-1302416131-1437503476-2806442725-1000\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:3276
- 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:4764
- - 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:2380
  - - 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:4564

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\App_installer32_64x.exe

Filesize
2.4MB

MD5
2552cda61ecc9cffc215808b8310d697

SHA1
bd3c5bfb31cd257606563a44dec61a23b3e2e6e8

SHA256
2e0ccd8d3ca72b4322294b5b3fbead5d454da524b1fe87bd5687ef00481f7bfe

SHA512
dd42dad49c28c3040a1534c88e6ecc5812b9488b2ef59377921ea74db1bb0d258392830f94281a78427b978ed4dc26a1eb2868eabb8b703e9a38533ca84dba31

Download Submit
C:\Users\Admin\AppData\Local\Temp\App_installer32_64x.exe:a.dll

Filesize
1.2MB

MD5
275ded5bb31787ff5be96ffec1fd185a

SHA1
3c8a0092d40c16f5ca9f53504b91ce81d0a1c488

SHA256
6b69a6f491e84adcfe738de222cd231613378f2c576c54948f95922ec48a6fa0

SHA512
da4a1c7232874e4fe0ae8422b8288aa6997c4e5e5b9a1df2bffb67baaf54c4c8e010dd1433fa675410dcdc6f8e49abc52edc9f47ab93327418d9cf2798727055

Download Submit
memory/3276-9-0x00007FF8A18A0000-0x00007FF8A19D9000-memory.dmp

Filesize
1.2MB

Download
memory/3276-8-0x00007FF6DDF30000-0x00007FF6DE1A7000-memory.dmp

Filesize
2.5MB

Download
memory/4764-10-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/4764-7-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/4764-6-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/4764-4-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/4764-19-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download
memory/4764-20-0x0000000140000000-0x0000000140110000-memory.dmp

Filesize
1.1MB

Download

Analysis

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