meduza | 3c0f9d4a5eb6d39a75d59509be7b6e215c1c1103642b4bf85a28231214d8e9a4

Analysis

max time kernel
122s
max time network
137s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-11-2024 06:00

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General

Target

FreeFireCheat.exe
Size

70.1MB
MD5

d9ecf06c01f13e20c692308977343e6c
SHA1

895103bff07402081cf606e943a9b305bab14798
SHA256

306c35f0a8b13eb8d3ff43f0fe031c9b2d008fddebe501e47e080111ebbb9712
SHA512

06bb95938904137a1a4a313c2d557eae9fb38eea43918b6f508debb0aa6fc7d0f211d34af019b59d1e538a8d0f7d0ecb1382653f628148b21f3df5c310d9f68b
SSDEEP

3072:yhuwQp8xdrQrJPn4vxyrQUwsy5TDoDLyTKJvwCHtpxC5Ev3+9af5dWcZ2iYi6Jz:yhdQp8xurN4JlU94SyTKJPpTHf3zZ4

Score

10^/10

meduza collection discovery execution spyware 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 6 IoCs

resource	yara_rule
behavioral1/memory/1648-38-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/1648-40-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/1648-35-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/1648-33-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/1648-31-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/1648-29-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza

Meduza family
meduza

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2252	powershell.exe

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-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\International\Geo\Nation	9XdWA0Xmok.exe

Executes dropped EXE 2 IoCs

pid	Process
2656	9XdWA0Xmok.exe
1648	9XdWA0Xmok.exe

Loads dropped DLL 2 IoCs

pid	Process
2384	FreeFireCheat.exe
2656	9XdWA0Xmok.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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
7	api.ipify.org
8	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 1648	2656	9XdWA0Xmok.exe	34

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FreeFireCheat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2252	powershell.exe
1648	9XdWA0Xmok.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	FreeFireCheat.exe
Token: SeDebugPrivilege	2252	powershell.exe
Token: SeDebugPrivilege	1648	9XdWA0Xmok.exe
Token: SeImpersonatePrivilege	1648	9XdWA0Xmok.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2252	2384	FreeFireCheat.exe	31
PID 2384 wrote to memory of 2252	2384	FreeFireCheat.exe	31
PID 2384 wrote to memory of 2252	2384	FreeFireCheat.exe	31
PID 2384 wrote to memory of 2252	2384	FreeFireCheat.exe	31
PID 2384 wrote to memory of 2656	2384	FreeFireCheat.exe	33
PID 2384 wrote to memory of 2656	2384	FreeFireCheat.exe	33
PID 2384 wrote to memory of 2656	2384	FreeFireCheat.exe	33
PID 2384 wrote to memory of 2656	2384	FreeFireCheat.exe	33
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34
PID 2656 wrote to memory of 1648	2656	9XdWA0Xmok.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9XdWA0Xmok.exe

C:\Users\Admin\AppData\Local\Temp\FreeFireCheat.exe
"C:\Users\Admin\AppData\Local\Temp\FreeFireCheat.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABNADgAcQBIAHAAbAA0AHUAdABMAFwAOQBYAGQAVwBBADAAWABtAG8AawAuAGUAeABlACcA
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2252
- C:\Users\Admin\AppData\Local\Temp\M8qHpl4utL\9XdWA0Xmok.exe
  "C:\Users\Admin\AppData\Local\Temp\M8qHpl4utL\9XdWA0Xmok.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Users\Admin\AppData\Local\Temp\M8qHpl4utL\9XdWA0Xmok.exe
    C:\Users\Admin\AppData\Local\Temp\M8qHpl4utL\9XdWA0Xmok.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\M8qHpl4utL\9XdWA0Xmok.exe

Filesize
4.1MB

MD5
629ac1492f98853856fee836f3503a96

SHA1
8146b497066e621a9e33addb238447e73ddb934b

SHA256
3eb15b4493bb204a384aa72714a8137b00608f97af9075ea2ae0aa8a479a9b29

SHA512
f993c992ebe12ccb11cff04ebf9838c9b56581c1d2febdd380dcf6d9620936b09a7299fa01cf19ca69f157caff9e3c89835330c49c9aa98448596f475648e101

Download Submit
memory/1648-33-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-38-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-25-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-27-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-29-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-31-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-35-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-37-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

Filesize
4KB

Download
memory/1648-40-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/1648-23-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2252-10-0x000000006FC20000-0x00000000701CB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-13-0x000000006FC20000-0x00000000701CB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-12-0x000000006FC20000-0x00000000701CB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-11-0x000000006FC20000-0x00000000701CB000-memory.dmp

Filesize
5.7MB

Download
memory/2252-9-0x000000006FC21000-0x000000006FC22000-memory.dmp

Filesize
4KB

Download
memory/2384-54-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-3-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2384-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2384-5-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-4-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-14-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-1-0x0000000000F90000-0x00000000055BC000-memory.dmp

Filesize
70.2MB

Download