meduza | 4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb

General

Target

4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb.exe
Size

1.1MB
MD5

edcf54af80b2e95213811c8ddf962fdb
SHA1

bc4c5cc5abf7b1eeca77c22063f84a155b77c6e7
SHA256

4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb
SHA512

4672ee1f72d71b3e2b4498b3e888671c1e8293e2f6e214195e0188b66b9bb50619e7f37669191e53aa54b646e5ed424c6c3aa792d76cfc65735e7ddb08779cef
SSDEEP

24576:N+SV2awrjvJecHcMozsYfB84DZcmdAjM736leiUa1SIj9:cu2zrTfctewcwCEhDa1Sc

Score

10^/10

meduza credential_access discovery spyware stealer

Malware Config

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/3196-2-0x0000000002480000-0x000000000266F000-memory.dmp	family_meduza
behavioral1/memory/3196-3-0x0000000000400000-0x00000000005FC000-memory.dmp	family_meduza
behavioral1/memory/3196-10-0x0000000000400000-0x00000000005FC000-memory.dmp	family_meduza
behavioral1/memory/3196-11-0x0000000002480000-0x000000000266F000-memory.dmp	family_meduza

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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	4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb.exe

Reads user/profile data of web browsers 2 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

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
25	api.ipify.org
24	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 15 IoCs

pid	pid_target	Process	procid_target
1544	3196	WerFault.exe	83
4620	3196	WerFault.exe	83
3060	3196	WerFault.exe	83
3880	3196	WerFault.exe	83
4072	3196	WerFault.exe	83
4332	3196	WerFault.exe	83
3200	3196	WerFault.exe	83
664	3196	WerFault.exe	83
3636	3196	WerFault.exe	83
3048	3196	WerFault.exe	83
2252	3196	WerFault.exe	83
3368	3196	WerFault.exe	83
4080	3196	WerFault.exe	83
4356	3196	WerFault.exe	83
3216	3196	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb.exe

C:\Users\Admin\AppData\Local\Temp\4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb.exe
"C:\Users\Admin\AppData\Local\Temp\4b16b9168f582448d16e99701ac2350175a369004fe52367bb0fdd4fbf423efb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
PID:3196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 820
  2⤵
  - Program crash
  PID:1544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 852
  2⤵
  - Program crash
  PID:4620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 820
  2⤵
  - Program crash
  PID:3060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 884
  2⤵
  - Program crash
  PID:3880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 964
  2⤵
  - Program crash
  PID:4072
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1064
  2⤵
  - Program crash
  PID:4332
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1488
  2⤵
  - Program crash
  PID:3200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1592
  2⤵
  - Program crash
  PID:664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1776
  2⤵
  - Program crash
  PID:3636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1800
  2⤵
  - Program crash
  PID:3048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1540
  2⤵
  - Program crash
  PID:2252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1532
  2⤵
  - Program crash
  PID:3368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1596
  2⤵
  - Program crash
  PID:4080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1552
  2⤵
  - Program crash
  PID:4356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1600
  2⤵
  - Program crash
  PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3196 -ip 3196
1⤵
PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3196 -ip 3196
1⤵
PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3196 -ip 3196
1⤵
PID:2532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3196 -ip 3196
1⤵
PID:1184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3196 -ip 3196
1⤵
PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3196 -ip 3196
1⤵
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3196 -ip 3196
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3196 -ip 3196
1⤵
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3196 -ip 3196
1⤵
PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3196 -ip 3196
1⤵
PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3196 -ip 3196
1⤵
PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 3196 -ip 3196
1⤵
PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3196 -ip 3196
1⤵
PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 3196 -ip 3196
1⤵
PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3196 -ip 3196
1⤵
PID:748

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3196-1-0x00000000009E0000-0x0000000000AD1000-memory.dmp

Filesize
964KB

Download
memory/3196-2-0x0000000002480000-0x000000000266F000-memory.dmp

Filesize
1.9MB

Download
memory/3196-3-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/3196-10-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/3196-11-0x0000000002480000-0x000000000266F000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing