meduza | 7c2f43b18bb5f18cb9b8967323a3c68befff6fbf8dceae39f786e8152f493a65

General

Target

RUN.exe
Size

1.5MB
MD5

80fb69110342f1a031b10484ea356055
SHA1

70a77fd61066eaf936feec994301f1c3693c7a28
SHA256

7c2f43b18bb5f18cb9b8967323a3c68befff6fbf8dceae39f786e8152f493a65
SHA512

bfacbb61f1c68e0b4e5d7a249512f839933377acb0070d865d202947e948a7e74f84cc55618adfb34a205f8de466ee43962f087aaa27beac5d09f57497783d23
SSDEEP

24576:K9hSDFEfJ3HW802gQzSMZs8A+xoZYqPLYnNBa1ndKFyzqxVAPI4WTG+G0lzOp91v:K9hMFEfVHW802gQmMZs8A+uX0nNBvFy5

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes

anti_dbg
true
anti_vm
true
build_name
28
extensions
none
grabber_max_size
1.048576e+06
links
none
port
15666
self_destruct
true

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/3808-6-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3808-9-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3808-5-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3808-3-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3808-12-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3808-19-0x0000000140000000-0x000000014010F000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	RUN.exe

Loads dropped DLL 1 IoCs

pid	Process
5104	RUN.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.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
8	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5104 set thread context of 3808	5104	RUN.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
1500	cmd.exe
1844	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\a.exe:extractor.dll	RUN.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1844	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3808	RUN.exe
3808	RUN.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 5104 wrote to memory of 3808	5104	RUN.exe	83
PID 3808 wrote to memory of 1500	3808	RUN.exe	89
PID 3808 wrote to memory of 1500	3808	RUN.exe	89
PID 1500 wrote to memory of 1844	1500	cmd.exe	91
PID 1500 wrote to memory of 1844	1500	cmd.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RUN.exe

C:\Users\Admin\AppData\Local\Temp\RUN.exe
"C:\Users\Admin\AppData\Local\Temp\RUN.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Users\Admin\AppData\Local\Temp\RUN.exe
  "C:\Users\Admin\AppData\Local\Temp\RUN.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:3808
- - 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\RUN.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - 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:1844

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\a.exe:extractor.dll

Filesize
1.2MB

MD5
c28352a57edbeefd21aaa2d0e435c8bc

SHA1
40b3a04de7a16a5cf46418776a02f452bc4e97d2

SHA256
d104cfa64890074d2921f29e164d6d16576b540217597ea961ff668f1f901aa4

SHA512
a4f7f32206bd2a46d7f7fe5b8035e41e10af68fdbb712916464a1d6073c2b308b8a7c449369b0197a28c47066f02c4f164fc6444b9044077b13d62d93a462b50

Download Submit
memory/3808-6-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/3808-9-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/3808-5-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/3808-3-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/3808-12-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/3808-19-0x0000000140000000-0x000000014010F000-memory.dmp

Filesize
1.1MB

Download
memory/5104-8-0x00007FFB52C20000-0x00007FFB52D57000-memory.dmp

Filesize
1.2MB

Download
memory/5104-7-0x00007FF7AF9F0000-0x00007FF7AFB71000-memory.dmp

Filesize
1.5MB

Download

Analysis

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