meduza | 2ec5235af12345ee05668337a7607bcc4b28cf2409d006fbdf749c2ff6275e3b

General

Target

1_seed-check.exe
Size

2.7MB
MD5

fe8642ef05544492aa7bea74dd228442
SHA1

9cd835042a5feed668604d4f4aca415ff8af9532
SHA256

2ec5235af12345ee05668337a7607bcc4b28cf2409d006fbdf749c2ff6275e3b
SHA512

648155f46994ab9738ab8bcfc49f5bb4db35acde3ecfc324934dac2d4645446d1be04cd39ab014bd9071a8e7ffd38891c225b7330b1c71a702c60f8cb6d6d367
SSDEEP

49152:NPw34yFJzSdhPzD0mOd4606hU6HznKpHaeUGnVn641aibkcrh8A:q9mOd46GHaeUQhVp

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
behavioral2/memory/3668-7-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3668-10-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3668-4-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3668-6-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3668-19-0x0000000140000000-0x000000014014F000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	1_seed-check.exe

Executes dropped EXE 1 IoCs

pid	Process
3668	1_seed-check.exe

Loads dropped DLL 1 IoCs

pid	Process
2924	1_seed-check.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.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
7	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2924 set thread context of 3668	2924	1_seed-check.exe	83

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
4196	PING.EXE
4520	cmd.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\1_seed-check.exe:a.dll	1_seed-check.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4196	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3668	1_seed-check.exe
3668	1_seed-check.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 2924 wrote to memory of 3668	2924	1_seed-check.exe	83
PID 3668 wrote to memory of 4520	3668	1_seed-check.exe	86
PID 3668 wrote to memory of 4520	3668	1_seed-check.exe	86
PID 4520 wrote to memory of 4196	4520	cmd.exe	88
PID 4520 wrote to memory of 4196	4520	cmd.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1_seed-check.exe

C:\Users\Admin\AppData\Local\Temp\1_seed-check.exe
"C:\Users\Admin\AppData\Local\Temp\1_seed-check.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\1_seed-check.exe
  "C:\Users\Admin\AppData\Local\Temp\1_seed-check.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:3668
- - 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\1_seed-check.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4520
  - - 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:4196

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\1_seed-check.exe

Filesize
2.7MB

MD5
fe8642ef05544492aa7bea74dd228442

SHA1
9cd835042a5feed668604d4f4aca415ff8af9532

SHA256
2ec5235af12345ee05668337a7607bcc4b28cf2409d006fbdf749c2ff6275e3b

SHA512
648155f46994ab9738ab8bcfc49f5bb4db35acde3ecfc324934dac2d4645446d1be04cd39ab014bd9071a8e7ffd38891c225b7330b1c71a702c60f8cb6d6d367

Download Submit
C:\Users\Admin\AppData\Local\Temp\1_seed-check.exe:a.dll

Filesize
1.4MB

MD5
5055a2119e038c485e259c9ac2152b9a

SHA1
1a804c4d2a17ee30fdb29ce6b3917f847a0be669

SHA256
839c90eb2a8f6b519ab43df8fdd4daf8cb864aefc300bb4effa5dbe4951fa881

SHA512
cf6881cd26b63c509dda46812e52bd25fe91b7526f74faf75ce6d82088d3ab0ee2a99f0f2912029024a4b813b541ee33ebcc0b2c76220031d1d36f497bf1726f

Download Submit
memory/2924-8-0x00007FF659160000-0x00007FF659416000-memory.dmp

Filesize
2.7MB

Download
memory/2924-9-0x00007FFC6C1D0000-0x00007FFC6C348000-memory.dmp

Filesize
1.5MB

Download
memory/3668-7-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3668-10-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3668-4-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3668-6-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3668-19-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download

Analysis

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