meduza | b4de7f656a143cb9a5a1836836f0e90d1707a92e66685d15d54e3eb203fa9476

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/12/2024, 09:50 UTC

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General

Target

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
Size

3.1MB
MD5

36b15b22ccf73ecfec445f9bd7dc59ff
SHA1

4736a7feb57398e3efde894647b038014ced93dc
SHA256

b4de7f656a143cb9a5a1836836f0e90d1707a92e66685d15d54e3eb203fa9476
SHA512

fd36ea7181b4c3466cc9401bd10e67a138935f0098480629b51d88cd498ae346f910e4fbd138c7b59d2dd56f6ad59de05e1dddeec5be724cb7cc812060f23be5
SSDEEP

24576:SBvVKjsyoZlCOjSXM8ZiPC9RSjFqfH48RdFNE2YRM+MBgOoJ14/fe7P/e:uJXjoM80dX87FNE7ME7P

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
SEO2.0
extensions
.txt; .doc; .xlsx
grabber_max_size
4.194304e+06
port
15666
self_destruct
false

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/3424-2-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3424-1-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3424-3-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3424-0-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3424-10-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3424-11-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza

Meduza 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.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
6	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3424	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
3424	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3424	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
Token: SeImpersonatePrivilege	3424	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83
PID 4724 wrote to memory of 3424	4724	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe
  "C:\Users\Admin\AppData\Local\Temp\2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3424

Network

DNS

api.ipify.org

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Remote address:

8.8.8.8:53

Request

api.ipify.org

IN A

Response

api.ipify.org

IN A

172.67.74.152

api.ipify.org

IN A

104.26.13.205

api.ipify.org

IN A

104.26.12.205
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

241.150.49.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.150.49.20.in-addr.arpa

IN PTR

Response
GET

https://api.ipify.org/

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Remote address:

172.67.74.152:443

Request

GET / HTTP/1.1
Accept: text/html; text/plain; */*
Host: api.ipify.org
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Sat, 14 Dec 2024 09:50:54 GMT
Content-Type: text/plain
Content-Length: 14
Connection: keep-alive
Vary: Origin
CF-Cache-Status: DYNAMIC
Server: cloudflare
CF-RAY: 8f1d4ad6695fef58-LHR
server-timing: cfL4;desc="?proto=TCP&rtt=26030&min_rtt=25922&rtt_var=4181&sent=6&recv=9&lost=0&retrans=0&sent_bytes=3278&recv_bytes=402&delivery_rate=156854&cwnd=253&unsent_bytes=0&cid=89c00280d456b846&ts=329&x=0"
DNS

c.pki.goog

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Remote address:

8.8.8.8:53

Request

c.pki.goog

IN A

Response

c.pki.goog

IN CNAME

pki-goog.l.google.com

pki-goog.l.google.com

IN A

142.250.179.67
GET

http://c.pki.goog/r/gsr1.crl

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Remote address:

142.250.179.67:80

Request

GET /r/gsr1.crl HTTP/1.1
Connection: Keep-Alive
Accept: */*
User-Agent: Microsoft-CryptoAPI/10.0
Host: c.pki.goog

Response

HTTP/1.1 200 OK

Accept-Ranges: bytes
Content-Security-Policy-Report-Only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cacerts
Cross-Origin-Resource-Policy: cross-origin
Cross-Origin-Opener-Policy: same-origin; report-to="cacerts"
Report-To: {"group":"cacerts","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cacerts"}]}
Content-Length: 1739
X-Content-Type-Options: nosniff
Server: sffe
X-XSS-Protection: 0
Date: Sat, 14 Dec 2024 09:01:35 GMT
Expires: Sat, 14 Dec 2024 09:51:35 GMT
Cache-Control: public, max-age=3000
Age: 2959
Last-Modified: Mon, 07 Oct 2024 07:18:00 GMT
Content-Type: application/pkix-crl
Vary: Accept-Encoding
GET

http://c.pki.goog/r/r4.crl

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

Remote address:

142.250.179.67:80

Request

GET /r/r4.crl HTTP/1.1
Connection: Keep-Alive
Accept: */*
User-Agent: Microsoft-CryptoAPI/10.0
Host: c.pki.goog

Response

HTTP/1.1 200 OK

Accept-Ranges: bytes
Content-Security-Policy-Report-Only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cacerts
Cross-Origin-Resource-Policy: cross-origin
Cross-Origin-Opener-Policy: same-origin; report-to="cacerts"
Report-To: {"group":"cacerts","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cacerts"}]}
Content-Length: 436
X-Content-Type-Options: nosniff
Server: sffe
X-XSS-Protection: 0
Date: Sat, 14 Dec 2024 09:02:38 GMT
Expires: Sat, 14 Dec 2024 09:52:38 GMT
Cache-Control: public, max-age=3000
Age: 2896
Last-Modified: Thu, 25 Jul 2024 14:48:00 GMT
Content-Type: application/pkix-crl
Vary: Accept-Encoding
DNS

152.145.130.45.in-addr.arpa

Remote address:

8.8.8.8:53

Request

152.145.130.45.in-addr.arpa

IN PTR

Response
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

152.74.67.172.in-addr.arpa

Remote address:

8.8.8.8:53

Request

152.74.67.172.in-addr.arpa

IN PTR

Response
DNS

67.179.250.142.in-addr.arpa

Remote address:

8.8.8.8:53

Request

67.179.250.142.in-addr.arpa

IN PTR

Response

67.179.250.142.in-addr.arpa

IN PTR

par21s19-in-f31e100net
DNS

73.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.159.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

232.168.11.51.in-addr.arpa

Remote address:

8.8.8.8:53

Request

232.168.11.51.in-addr.arpa

IN PTR

Response
DNS

212.20.149.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

212.20.149.52.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

180.129.81.91.in-addr.arpa

Remote address:

8.8.8.8:53

Request

180.129.81.91.in-addr.arpa

IN PTR

Response
DNS

13.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.227.111.52.in-addr.arpa

IN PTR

Response

45.130.145.152:15666

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

15.8MB
203.4kB
11352
4921
172.67.74.152:443

https://api.ipify.org/

tls, http

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

896 B
4.1kB
11
8

HTTP Request

GET https://api.ipify.org/

HTTP Response

200
142.250.179.67:80

http://c.pki.goog/r/r4.crl

http

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

556 B
3.8kB
7
5

HTTP Request

GET http://c.pki.goog/r/gsr1.crl

HTTP Response

200

HTTP Request

GET http://c.pki.goog/r/r4.crl

HTTP Response

200

8.8.8.8:53

api.ipify.org

dns

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

59 B
107 B
1
1

DNS Request

api.ipify.org

DNS Response

172.67.74.152

104.26.13.205

104.26.12.205
8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

241.150.49.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.150.49.20.in-addr.arpa
8.8.8.8:53

c.pki.goog

dns

2024-12-14_36b15b22ccf73ecfec445f9bd7dc59ff_cobalt-strike_ryuk.exe

56 B
107 B
1
1

DNS Request

c.pki.goog

DNS Response

142.250.179.67
8.8.8.8:53

152.145.130.45.in-addr.arpa

dns

73 B
127 B
1
1

DNS Request

152.145.130.45.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

152.74.67.172.in-addr.arpa

dns

72 B
134 B
1
1

DNS Request

152.74.67.172.in-addr.arpa
8.8.8.8:53

67.179.250.142.in-addr.arpa

dns

73 B
111 B
1
1

DNS Request

67.179.250.142.in-addr.arpa
8.8.8.8:53

73.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

73.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

232.168.11.51.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

232.168.11.51.in-addr.arpa
8.8.8.8:53

212.20.149.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

212.20.149.52.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

180.129.81.91.in-addr.arpa

dns

72 B
147 B
1
1

DNS Request

180.129.81.91.in-addr.arpa
8.8.8.8:53

13.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

13.227.111.52.in-addr.arpa
8.8.8.8:53

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3424-2-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3424-1-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3424-3-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3424-0-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3424-10-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3424-11-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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