meduza | 1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e

General

Target

1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe
Size

70.3MB
MD5

34685447de7a88a522e09b360da83bb8
SHA1

d7a051403a980d484bc4e6be11491c7d27b7c6b1
SHA256

1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e
SHA512

ab29904572ecf226832aac8ecf3ad2e0d5f24c1292b25b3af67741352aa428c008b875447f5a61fd03974ba6ef0433a22e4f11d44efb3b21ef5dd9f9d3972eb8
SSDEEP

6144:9ykTQp8xurN4JlU94SyTKJPpTHf3zZOckmhrK:9JTQp8AiJl6+YxzfDZLK

Score

10^/10

meduza collection discovery execution spyware stealer

Malware Config

Extracted

Family

meduza

C2

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/2628-41-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2628-36-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2628-34-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2628-32-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2628-30-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral1/memory/2628-39-0x0000000140000000-0x000000014013E000-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
2860	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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\International\Geo\Nation	YIGIizZzfm.exe

Executes dropped EXE 2 IoCs

pid	Process
1356	YIGIizZzfm.exe
2628	YIGIizZzfm.exe

Loads dropped DLL 2 IoCs

pid	Process
1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe
1356	YIGIizZzfm.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-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.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 1356 set thread context of 2628	1356	YIGIizZzfm.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2860	powershell.exe
2628	YIGIizZzfm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe
Token: SeDebugPrivilege	2860	powershell.exe
Token: SeDebugPrivilege	2628	YIGIizZzfm.exe
Token: SeImpersonatePrivilege	2628	YIGIizZzfm.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2860	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	31
PID 1928 wrote to memory of 2860	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	31
PID 1928 wrote to memory of 2860	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	31
PID 1928 wrote to memory of 2860	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	31
PID 1928 wrote to memory of 1356	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	33
PID 1928 wrote to memory of 1356	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	33
PID 1928 wrote to memory of 1356	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	33
PID 1928 wrote to memory of 1356	1928	1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe	33
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34
PID 1356 wrote to memory of 2628	1356	YIGIizZzfm.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	YIGIizZzfm.exe

C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe
"C:\Users\Admin\AppData\Local\Temp\1164a8f550cdcca584fbef5b09a9acb89fa79fbde89a66e92e1b45dcaa982c8e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABhAG0ASABLAFgANABrAHcAZwB0AFwAWQBJAEcASQBpAHoAWgB6AGYAbQAuAGUAeABlACcA
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2860
- C:\Users\Admin\AppData\Local\Temp\amHKX4kwgt\YIGIizZzfm.exe
  "C:\Users\Admin\AppData\Local\Temp\amHKX4kwgt\YIGIizZzfm.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1356
- - C:\Users\Admin\AppData\Local\Temp\amHKX4kwgt\YIGIizZzfm.exe
    C:\Users\Admin\AppData\Local\Temp\amHKX4kwgt\YIGIizZzfm.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:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\amHKX4kwgt\YIGIizZzfm.exe

Filesize
4.1MB

MD5
dd0b9382bc7d77840b168800bc8cb812

SHA1
d5b635efbf79662929b311572e41d7ea612749cc

SHA256
93626f2a12a4ab1fbe7e284af0a3368c4041e58428f18429acc64d3f09067a29

SHA512
d59b6f1496eade71a929c054523fa4815b5786226e0f1a62a6c0855ce5f2d2759ade49f1c00f657474c87a0d0a8a01fbc49644a766dde3556ccc9994152679de

Download Submit
memory/1928-9-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-3-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

Filesize
4KB

Download
memory/1928-1-0x0000000000CA0000-0x00000000052EC000-memory.dmp

Filesize
70.3MB

Download
memory/1928-4-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-5-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

Filesize
4KB

Download
memory/1928-55-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-32-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-30-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-24-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-28-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-38-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

Filesize
4KB

Download
memory/2628-26-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-41-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-36-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-34-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2628-39-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/2860-11-0x000000006ED02000-0x000000006ED04000-memory.dmp

Filesize
8KB

Download
memory/2860-15-0x000000006ED00000-0x000000006F2AB000-memory.dmp

Filesize
5.7MB

Download
memory/2860-14-0x000000006ED00000-0x000000006F2AB000-memory.dmp

Filesize
5.7MB

Download
memory/2860-13-0x000000006ED00000-0x000000006F2AB000-memory.dmp

Filesize
5.7MB

Download
memory/2860-12-0x000000006ED00000-0x000000006F2AB000-memory.dmp

Filesize
5.7MB

Download
memory/2860-10-0x0000000002AC0000-0x0000000002B00000-memory.dmp

Filesize
256KB

Download

Analysis

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