meduza | a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80e

Analysis

max time kernel
92s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 02:02

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General

Target

2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
Size

4.1MB
MD5

42a5c60fadb3b94505babe3561507a50
SHA1

ade46a914ffefa4b1d8b791fbfdf07531c362e44
SHA256

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80e
SHA512

d98f41807a0fa8edb5a2f2b054985d753e18deaa06e768045dcab7a108e15ae95dabb0c35506e652dd61d039da43d71d9576638d3ec85ffe46d21e4d18285611
SSDEEP

49152:/xGK0l3e3ubXWCC5JJhZs0wFF2d1vJ2Z:/xGK09yuZZ

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

193.3.19.151

Attributes

anti_dbg
true
anti_vm
true
build_name
enew
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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3480-4-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3480-5-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3480-6-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3480-7-0x0000000140000000-0x0000000140141000-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:

2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

description	pid	process	target process
PID 4588 set thread context of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

description	pid	process
Token: SeDebugPrivilege	3480	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
Token: SeImpersonatePrivilege	3480	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

description	pid	process	target process
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
PID 4588 wrote to memory of 3480	4588	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe	2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Users\Admin\AppData\Local\Temp\2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-19_42a5c60fadb3b94505babe3561507a50_ryuk.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  PID:3480

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/3480-4-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3480-5-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3480-6-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3480-7-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/4588-0-0x00007FF6F4390000-0x00007FF6F4391000-memory.dmp

Filesize
4KB

Download