meduza | 3bf9143cb56f6f414b6a97c36bb0d85faaf5800eed96b82d8e344a39f5d6c25d

Analysis

max time kernel
95s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 14:37

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General

Target

2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe
Size

3.6MB
MD5

91b2d45daae10e1bf5348028f3785581
SHA1

2c291aea85bfe99950c9c7e90bf439eb057439ae
SHA256

3bf9143cb56f6f414b6a97c36bb0d85faaf5800eed96b82d8e344a39f5d6c25d
SHA512

62c03bc84d04d7a982aa756ec6a6d0cfdce50fc63d0cb50ba946fd81a8359eb0f9ea6668432bdc72c35ef4ac82abcfd1325a9432a98bc6361a4dcbfb21193a8f
SSDEEP

49152:bByPnIwyCv1zSXFfGo4QLaGd5GBlGJ+waRI:

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

89.22.239.174

Attributes

anti_dbg
true
anti_vm
true
build_name
elmnov
extensions
.txt
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 5 IoCs

resource	yara_rule
behavioral2/memory/3184-0-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/3184-1-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/3184-3-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/3184-2-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/3184-4-0x0000000140000000-0x000000014013E000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4376 set thread context of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe
Token: SeImpersonatePrivilege	3184	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85
PID 4376 wrote to memory of 3184	4376	2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-06_91b2d45daae10e1bf5348028f3785581_ryuk.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  PID:3184

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/3184-0-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/3184-1-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/3184-3-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/3184-2-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/3184-4-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download