meduza | 69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 09:25

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General

Target

brozer.exe
Size

2.5MB
MD5

183e24b654414d7be786ccd8e6a108a5
SHA1

a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256

69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512

8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b
SSDEEP

24576:MoEKQByjnqh0lhSMXlybSXuRVRoTahOpEfc:jLzjneSan

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Work
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-0-0x0000000001C80000-0x0000000001DBE000-memory.dmp	family_meduza
behavioral1/memory/2784-1-0x0000000001C80000-0x0000000001DBE000-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

Processes:

brozer.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation brozer.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 api.ipify.org
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

brozer.exe

description pid process

Token: SeDebugPrivilege 2784 brozer.exe
Token: SeImpersonatePrivilege 2784 brozer.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation	brozer.exe

flow	ioc
3	api.ipify.org

description	pid	process
Token: SeDebugPrivilege	2784	brozer.exe
Token: SeImpersonatePrivilege	2784	brozer.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

brozer.exe

description	pid	process	target process
PID 2784 wrote to memory of 2760	2784	brozer.exe	WerFault.exe
PID 2784 wrote to memory of 2760	2784	brozer.exe	WerFault.exe
PID 2784 wrote to memory of 2760	2784	brozer.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\brozer.exe
"C:\Users\Admin\AppData\Local\Temp\brozer.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2784 -s 668
  2⤵
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2784-0-0x0000000001C80000-0x0000000001DBE000-memory.dmp

Filesize
1.2MB

Download
memory/2784-1-0x0000000001C80000-0x0000000001DBE000-memory.dmp

Filesize
1.2MB

Download