meduza | f8840621ccce4e993283ac91d322c35cacd42619856477e057eac1cb1127bd6b

General

Target

Loader.exe
Size

3.1MB
MD5

b3fad209b07f4d66570c24a40f30d5c7
SHA1

0bd9c9aee1eafebdb435593c393392753b879e0f
SHA256

f8840621ccce4e993283ac91d322c35cacd42619856477e057eac1cb1127bd6b
SHA512

6188bde615cc58ee74ab37146ba4b4db26e33d8a74adbd17efb4b43282ddf014f67cb68ab44f47ae91eeedecad4a1ac5f56141b72e1193c94881997f713eefd1
SSDEEP

24576:qiiadv30/H2HYi9PnBivY2w66eCIuZLBQZh+Bt5THuO1GJYS6O0/shnaoN4DmAOs:UM0f2HpCrwTeYBNqO1GJYSISsMQ

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

147.45.44.216

Attributes

anti_dbg
true
anti_vm
true
build_name
37
grabber_max_size
1.048576e+06
port
15666
self_destruct
true

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 5 IoCs

resource	yara_rule
behavioral2/memory/4660-0-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/4660-2-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/4660-3-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/4660-1-0x0000000140000000-0x000000014013F000-memory.dmp	family_meduza
behavioral2/memory/4660-12-0x0000000140000000-0x000000014013F000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Loader.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.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
4	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3736 set thread context of 4660	3736	Loader.exe	85

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 Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3728	cmd.exe
3592	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3592	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4660	Loader.exe
4660	Loader.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	Loader.exe
Token: SeImpersonatePrivilege	4660	Loader.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 3736 wrote to memory of 4660	3736	Loader.exe	85
PID 4660 wrote to memory of 3728	4660	Loader.exe	87
PID 4660 wrote to memory of 3728	4660	Loader.exe	87
PID 3728 wrote to memory of 3592	3728	cmd.exe	89
PID 3728 wrote to memory of 3592	3728	cmd.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Loader.exe

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Users\Admin\AppData\Local\Temp\Loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4660
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3728
  - - C:\Windows\system32\PING.EXE
      ping 1.1.1.1 -n 1 -w 3000
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4660-0-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/4660-2-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/4660-3-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/4660-1-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download
memory/4660-12-0x0000000140000000-0x000000014013F000-memory.dmp

Filesize
1.2MB

Download

Analysis

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