meduza | 0257bf562a0b7f9c64a56b31ab1926076df0245f5cbe33d3ce2b5c1261c3c2ea

Analysis

max time kernel
2554s
max time network
2291s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 22:58

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General

Target

Solara.exe
Size

702.3MB
MD5

4a8663562de787bd73373e3beb354ec4
SHA1

7f47d22c13d7ba5d9468ab4eaed15e4db4558d3f
SHA256

5a11f62b542cfdad4639e490ba312cf0a911edcccbee98dd859ca7c9af19313b
SHA512

63cd2069a9fb8371d22c71a15138fc07632044ff40654428bd9c1ed1091bf266f6d00346dc1a24442afb2094340b536a3970e77eed80af5c82818736e19f2b08
SSDEEP

24576:45gG2YYesWBxQiZhPoRHfIlhwBn9POOUKGlIaAI/+r5pGFccM4L+0RRKc9EeMbDx:4572gDjQOPmfnBROOUKGoAocLFRNAFG

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

resource	yara_rule
behavioral1/memory/2252-11-0x0000000001C10000-0x0000000001D4E000-memory.dmp	family_meduza
behavioral1/memory/2252-15-0x0000000001C10000-0x0000000001D4E000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

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-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\International\Geo\Nation	librarydll2.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	librarydll2.exe

Loads dropped DLL 4 IoCs

pid	Process
2248	Solara.exe
1944	WerFault.exe
1944	WerFault.exe
1944	WerFault.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
10	api.ipify.org

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	Solara.exe
Token: SeDebugPrivilege	2252	librarydll2.exe
Token: SeImpersonatePrivilege	2252	librarydll2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2252	2248	Solara.exe	30
PID 2248 wrote to memory of 2252	2248	Solara.exe	30
PID 2248 wrote to memory of 2252	2248	Solara.exe	30
PID 2252 wrote to memory of 1944	2252	librarydll2.exe	31
PID 2252 wrote to memory of 1944	2252	librarydll2.exe	31
PID 2252 wrote to memory of 1944	2252	librarydll2.exe	31

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\librarydll2.exe
  "C:\Users\Admin\AppData\Local\Temp\librarydll2.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2252 -s 656
    3⤵
    - Loads dropped DLL
    PID:1944

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

C:\Users\Admin\AppData\Local\Temp\librarydll2.exe

Filesize
3.2MB

MD5
fe5fba2815e1e5f6928b694f2bc2edde

SHA1
494812af7107e8bff88a570f95289c5e26940573

SHA256
825577bf9307e9e8e89d88ce293942229af633786c4d4f72bf5c3084a5a72948

SHA512
72caa9a8d65d69f6c50e9db34a63d0c65d8d25bc9d0fb531f0fc83d6951c037a6eb52b12da8537b43a3c863420eaa8b50c8ba4f6369097ce9fbbfb788be66330

Download Submit
memory/2248-0-0x000007FEF56C3000-0x000007FEF56C4000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x0000000000EE0000-0x0000000001EE0000-memory.dmp

Filesize
16.0MB

Download
memory/2248-2-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp

Filesize
9.9MB

Download
memory/2248-3-0x000007FEF56C3000-0x000007FEF56C4000-memory.dmp

Filesize
4KB

Download
memory/2248-4-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp

Filesize
9.9MB

Download
memory/2248-5-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp

Filesize
9.9MB

Download
memory/2248-16-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp

Filesize
9.9MB

Download
memory/2248-17-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp

Filesize
9.9MB

Download
memory/2252-11-0x0000000001C10000-0x0000000001D4E000-memory.dmp

Filesize
1.2MB

Download
memory/2252-15-0x0000000001C10000-0x0000000001D4E000-memory.dmp

Filesize
1.2MB

Download