meduza | 1a9978c82715c31612a9b3e885b3a5aec050645913d4546217768fa763d33142

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 01:49

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General

Target

2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe
Size

1.9MB
MD5

bff384aa2ad790c0b2d9e6cead6e6f19
SHA1

66cd01171e006bbe655cda0364ee9aff631384af
SHA256

1a9978c82715c31612a9b3e885b3a5aec050645913d4546217768fa763d33142
SHA512

962096259e2cc5d96b676019e872847cbcbbb30eb2642160374a9095bb122d94aae6bdd4b5391069cbb21723ea073379cf8dc01e1bb8f00e07493beb2f516c00
SSDEEP

24576:Mix5BM9/ea/bxXK/lgyPVDMPKe51kc/XiqPNuMeZLc7dKifbTu1KAQilof9N3gCk:MoBMb/N8P2S/cetc7drbcKZdfo

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

209.127.36.90

Attributes

anti_dbg
true
anti_vm
true
build_name
123
extensions
.txt; .doc; .xlsx
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 4 IoCs

resource	yara_rule
behavioral2/memory/3368-0-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/3368-2-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/3368-3-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/3368-1-0x0000000140000000-0x000000014013F000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1152 set thread context of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3368	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe
Token: SeImpersonatePrivilege	3368	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84
PID 1152 wrote to memory of 3368	1152	2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe	84

C:\Users\Admin\AppData\Local\Temp\2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe
  "C:\Users\Admin\AppData\Local\Temp\2025-01-11_bff384aa2ad790c0b2d9e6cead6e6f19_cobalt-strike_ryuk.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  PID:3368

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/3368-0-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/3368-2-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/3368-3-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/3368-1-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download