meduza | 4721a268211930d750a9ebeb0b8d00f9e604518d208dbaca52b0166209fbb685

General

Target

SworLoader.exe
Size

1.7MB
MD5

346707adbc23a8dfa421bf13f3fd7e62
SHA1

7a044451b4a156ceec29894ca1308f3f4cfb19ed
SHA256

598ad4397f5ecbf1fe9b91f5841c11fef06a78db32af98898f55a6f174b6c1f5
SHA512

dcdc4af6580e60662a0672c454dcde34fb6c6f0ba6dbb20aa2ea22b0a94f10a758cef40ea28854921732cc8736724a64f28b6e8636b54cc4b125d89c55cab60a
SSDEEP

49152:qbo95a6iGY+40g6n0Nk200wioFaBP+6l:fwN300wvM+C

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
behavioral1/memory/4400-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral1/memory/4400-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral1/memory/4400-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral1/memory/4400-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral1/memory/4400-19-0x0000000140000000-0x000000014013B000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	SworLoader.exe

Executes dropped EXE 1 IoCs

pid	Process
4400	SworLoader.exe

Loads dropped DLL 1 IoCs

pid	Process
3756	SworLoader.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\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SworLoader.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SworLoader.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SworLoader.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SworLoader.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SworLoader.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3756 set thread context of 4400	3756	SworLoader.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
4568	cmd.exe
1072	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1072	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4400	SworLoader.exe
4400	SworLoader.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4400	SworLoader.exe
Token: SeImpersonatePrivilege	4400	SworLoader.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 3756 wrote to memory of 4400	3756	SworLoader.exe	82
PID 4400 wrote to memory of 4568	4400	SworLoader.exe	86
PID 4400 wrote to memory of 4568	4400	SworLoader.exe	86
PID 4568 wrote to memory of 1072	4568	cmd.exe	88
PID 4568 wrote to memory of 1072	4568	cmd.exe	88

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	SworLoader.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	SworLoader.exe

C:\Users\Admin\AppData\Local\Temp\SworLoader.exe
"C:\Users\Admin\AppData\Local\Temp\SworLoader.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Users\Admin\AppData\Local\Temp\SworLoader.exe
  "C:\Users\Admin\AppData\Local\Temp\SworLoader.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:4400
- - 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\SworLoader.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4568
  - - 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:1072

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4864

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\SworLoader.exe

Filesize
1.7MB

MD5
346707adbc23a8dfa421bf13f3fd7e62

SHA1
7a044451b4a156ceec29894ca1308f3f4cfb19ed

SHA256
598ad4397f5ecbf1fe9b91f5841c11fef06a78db32af98898f55a6f174b6c1f5

SHA512
dcdc4af6580e60662a0672c454dcde34fb6c6f0ba6dbb20aa2ea22b0a94f10a758cef40ea28854921732cc8736724a64f28b6e8636b54cc4b125d89c55cab60a

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

Filesize
1.4MB

MD5
a4511af3eb2c8cd9b6420bfa0e19b916

SHA1
82ba46ea2d519ca213a27be879cc28c0212d1ab9

SHA256
31aa44775a36fe70d3c282de3e5f63d7964ffb9ef5117d32fc2ef5913ed5d05f

SHA512
9fd8521649d7d0b0bf9985faaf28b57e5a80ea120b10078ed1d6d322456c87ab3b732dec373a4adb7c0971149936d9d1ea7a32720287aac0213a29ac8d1e75db

Download Submit
memory/3756-9-0x00007FFF0D670000-0x00007FFF0D7D4000-memory.dmp

Filesize
1.4MB

Download
memory/3756-8-0x00007FF668A70000-0x00007FF668C25000-memory.dmp

Filesize
1.7MB

Download
memory/4400-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4400-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4400-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4400-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4400-19-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download

Analysis

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