meduza | e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2

General

Target

e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
Size

2.7MB
MD5

fdc32de3bf35e88f19746de3100f0d20
SHA1

5a4d47a99792eb2d1dc4a2fc05ab6dd2b2d351a8
SHA256

e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2
SHA512

31690243214c47bfc8c1c6e8b02a542f396c0e5ac09eeca00d612f5fbad67500c4dab9928054d4b8a592640c8715f6e0f69d01e2674ffd9b17dcdc3ede49a0c1
SSDEEP

49152:gPw34yFJzSdhPzD0mOd4606hU6HznB5NgTsE3gjxt2u9BUbxd2D4OdfR:r9mOd46L5NjEwFt2uDUbxKH

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/3592-6-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3592-10-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3592-4-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3592-7-0x0000000140000000-0x000000014014F000-memory.dmp	family_meduza
behavioral2/memory/3592-19-0x0000000140000000-0x000000014014F000-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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

Executes dropped EXE 1 IoCs

pid	Process
3592	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

Loads dropped DLL 1 IoCs

pid	Process
4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.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
3	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4392 set thread context of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.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
3340	cmd.exe
3132	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe:a.dll	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3132	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3592	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
3592	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 4392 wrote to memory of 3592	4392	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	82
PID 3592 wrote to memory of 3340	3592	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	85
PID 3592 wrote to memory of 3340	3592	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe	85
PID 3340 wrote to memory of 3132	3340	cmd.exe	87
PID 3340 wrote to memory of 3132	3340	cmd.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

C:\Users\Admin\AppData\Local\Temp\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
"C:\Users\Admin\AppData\Local\Temp\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Users\Admin\AppData\Local\Temp\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe
  "C:\Users\Admin\AppData\Local\Temp\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.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:3592
- - 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\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3340
  - - 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:3132

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\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe

Filesize
2.7MB

MD5
fdc32de3bf35e88f19746de3100f0d20

SHA1
5a4d47a99792eb2d1dc4a2fc05ab6dd2b2d351a8

SHA256
e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2

SHA512
31690243214c47bfc8c1c6e8b02a542f396c0e5ac09eeca00d612f5fbad67500c4dab9928054d4b8a592640c8715f6e0f69d01e2674ffd9b17dcdc3ede49a0c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\e4bc75dbe9a6cf297574a1c875a90b17fbaf89a52fb0bfd531e4d82b513168d2N.exe:a.dll

Filesize
1.4MB

MD5
e9fdbb900404aa9634351dafeb51b79a

SHA1
8f967af4c530c7cde5d49ebca2e1c668e9215be2

SHA256
ad3de2d74f4f3cfbf176145a14200ad6852cd3271c900c44e731f1ff1136ea34

SHA512
4631db7a9b74e08299ea2d7a8bf730a6d33c87e6039d9ed8bd65ad8882de35c4d1923f2760c935c9ddbc08d309ee44eba98338deda79c23ee227f7a725470596

Download Submit
memory/3592-6-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3592-10-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3592-4-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3592-7-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/3592-19-0x0000000140000000-0x000000014014F000-memory.dmp

Filesize
1.3MB

Download
memory/4392-8-0x00007FF656C20000-0x00007FF656ED6000-memory.dmp

Filesize
2.7MB

Download
memory/4392-9-0x00007FFBFCFA0000-0x00007FFBFD118000-memory.dmp

Filesize
1.5MB

Download

Analysis

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