meduza | 576f4f144c08fdbfbb44e7d679d26ab8b1526b58a781625deb095a4ba9f2105f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 19:49

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General

Target

birdflower.exe
Size

3.2MB
MD5

1f453ea0b228aaa80fc1b49de8209816
SHA1

62299a245f28ec9cf2a902b79b2af4aa76ca3ef5
SHA256

576f4f144c08fdbfbb44e7d679d26ab8b1526b58a781625deb095a4ba9f2105f
SHA512

fdbb42caef70e8ec84e0ede91e86ef209fd413c2f01eacba72bd128433a27d9234fbee940f87f1d3726cb4e6a0a0737f99a835787ebf44e2b66d75c6f34c6c94
SSDEEP

24576:S/frmzI7lsX7Rh7lmXh0lhSMXlWuQdcfFiAb0Ng8PhD4AhNJEz0vZoYOhO:KfrmzI7OXBGuk6J0NRJD46NYYo

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/2072-0-0x0000000001B80000-0x0000000001CBE000-memory.dmp	family_meduza
behavioral1/memory/2072-1-0x0000000001B80000-0x0000000001CBE000-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:

birdflower.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\International\Geo\Nation	birdflower.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

birdflower.exe

description	pid	Process
Token: SeDebugPrivilege	2072	birdflower.exe
Token: SeImpersonatePrivilege	2072	birdflower.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

birdflower.exe

description	pid	Process	procid_target
PID 2072 wrote to memory of 2148	2072	birdflower.exe	31
PID 2072 wrote to memory of 2148	2072	birdflower.exe	31
PID 2072 wrote to memory of 2148	2072	birdflower.exe	31

C:\Users\Admin\AppData\Local\Temp\birdflower.exe
"C:\Users\Admin\AppData\Local\Temp\birdflower.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2072 -s 620
  2⤵
  PID:2148

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/2072-0-0x0000000001B80000-0x0000000001CBE000-memory.dmp

Filesize
1.2MB

Download
memory/2072-1-0x0000000001B80000-0x0000000001CBE000-memory.dmp

Filesize
1.2MB

Download