meduza | b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 16:38

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General

Target

b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Size

2.5MB
MD5

ff7dd1a36b5d47acfe5126686798360f
SHA1

0ac92e3abf73fa6cd956d0ebb49ac99bf6f52cb6
SHA256

b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e
SHA512

717d943460d56fe59303f781a94ac6e8e7b30c4efd85d167e77e52cf21d03390d424969f1a56d6ba876289665f4e7f230b95abaed667d57c2a99aaf7ae73d7ae
SSDEEP

24576:xf2KQ7MvYPh0lhSMXlo0w2LzdgVJURfmtpvcHh:tpHvZ4t46zt

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

resource	yara_rule
behavioral1/memory/1580-0-0x0000000001BD0000-0x0000000001D0E000-memory.dmp	family_meduza
behavioral1/memory/1580-1-0x0000000001BD0000-0x0000000001D0E000-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-1-5-21-3063565911-2056067323-3330884624-1000\Control Panel\International\Geo\Nation	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.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.

flow	ioc
3	api.ipify.org

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1580	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Token: SeImpersonatePrivilege	1580	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 2860	1580	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe	30
PID 1580 wrote to memory of 2860	1580	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe	30
PID 1580 wrote to memory of 2860	1580	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe	30

C:\Users\Admin\AppData\Local\Temp\b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
"C:\Users\Admin\AppData\Local\Temp\b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1580 -s 636
  2⤵
  PID:2860

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

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Downloads

memory/1580-0-0x0000000001BD0000-0x0000000001D0E000-memory.dmp

Filesize
1.2MB

Download
memory/1580-1-0x0000000001BD0000-0x0000000001D0E000-memory.dmp

Filesize
1.2MB

Download