meduza | 5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5

General

Target

5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
Size

2.6MB
MD5

ae2414d162454346d9a520ea3835e94c
SHA1

00e18ceba9a29bf1faaffa45007504af1d9f8825
SHA256

5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5
SHA512

a6e67234476def220ca5431f974b454aeee4dda9f7e1d6f949c19457c5ab843cc7ae845bf16530870a40574c57d4c519972b094ba40ec0f8055d7bcb493a9beb
SSDEEP

49152:JZPf0tL9d77T+WScpPNBqB0+imjS9fQzQ7D0LSrydeJgUgLw+Q:yVScpPN3AfaIL+

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

79.137.202.152

Attributes

anti_dbg
true
anti_vm
false
build_name
OurOld2
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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 6 IoCs

resource	yara_rule
behavioral2/memory/2300-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2300-8-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2300-9-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2300-11-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2300-20-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2300-21-0x0000000140000000-0x000000014013B000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

Loads dropped DLL 1 IoCs

pid	Process
628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.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
17	api.ipify.org
18	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86

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
1860	cmd.exe
3000	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe:a.dll	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3000	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
Token: SeImpersonatePrivilege	2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 628 wrote to memory of 2300	628	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	86
PID 2300 wrote to memory of 1860	2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	89
PID 2300 wrote to memory of 1860	2300	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe	89
PID 1860 wrote to memory of 3000	1860	cmd.exe	91
PID 1860 wrote to memory of 3000	1860	cmd.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
"C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe
  "C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2300
- - 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\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - 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:3000

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

C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe

Filesize
2.6MB

MD5
ae2414d162454346d9a520ea3835e94c

SHA1
00e18ceba9a29bf1faaffa45007504af1d9f8825

SHA256
5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5

SHA512
a6e67234476def220ca5431f974b454aeee4dda9f7e1d6f949c19457c5ab843cc7ae845bf16530870a40574c57d4c519972b094ba40ec0f8055d7bcb493a9beb

Download Submit
C:\Users\Admin\AppData\Local\Temp\5a9437344ef2448175995360fbb9f7d7baefc26dc28bdc4b4a01df7187170fc5.exe:a.dll

Filesize
1.4MB

MD5
faf6cf4fa2c6acdbd73dbbfb23bd39dd

SHA1
2dcef2ddcb5d9d40a070a4646804e29b766236b4

SHA256
cf3d4b66bb6547b0699bafe2dc7a954c8241df5529f219e8724d7b3824516696

SHA512
66c497d3c5ab1db8abdec19f88d3f2692dc6d6240f7ff9510da8ef716bcd49b8356e357153ed8ff77dcaa5738a007fe12734ae8680fc0cf20d1f93ee1f21e4fb

Download Submit
memory/628-0-0x00007FF796E20000-0x00007FF7970C6000-memory.dmp

Filesize
2.6MB

Download
memory/628-10-0x00007FF796E20000-0x00007FF7970C6000-memory.dmp

Filesize
2.6MB

Download
memory/2300-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2300-8-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2300-9-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2300-11-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2300-20-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2300-21-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download

Analysis

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