meduza | bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41

Analysis

max time kernel
37s
max time network
38s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 18:14

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General

Target

bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
Size

1015KB
MD5

654d8e797563258db972fc2b74d63860
SHA1

e5377b67e02a59c30925d65ba3b024966584acd1
SHA256

bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41
SHA512

e7c4df68be0c19add99134e82e806c7ec0209e60f9137dbbc9b3b2bf402e0d1828b0928c09dc0d91a6196c5628021cb8798e0028d90dad4f040a7a635b98c346
SSDEEP

24576:+PTNOyieIh0lhSMXlF6KuMokYZUUSpzCmip:+bNHPdYKuMorZUUSB

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

79.137.202.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Kitten
extensions
.txt;.doc;.docx;.pdf;.xls;.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 2 IoCs

resource	yara_rule
behavioral1/memory/2440-0-0x0000000001EF0000-0x0000000002007000-memory.dmp	family_meduza
behavioral1/memory/2440-10-0x0000000001EF0000-0x0000000002007000-memory.dmp	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-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\International\Geo\Nation	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
6	api.ipify.org

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2960	2440	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe	31
PID 2440 wrote to memory of 2960	2440	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe	31
PID 2440 wrote to memory of 2960	2440	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe	31

C:\Users\Admin\AppData\Local\Temp\bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
"C:\Users\Admin\AppData\Local\Temp\bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2440 -s 1208
  2⤵
  PID:2960

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/2440-0-0x0000000001EF0000-0x0000000002007000-memory.dmp

Filesize
1.1MB

Download
memory/2440-10-0x0000000001EF0000-0x0000000002007000-memory.dmp

Filesize
1.1MB

Download