meduza | 8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6

General

Target

bgfkbafhjoydwpbx.exe
Size

2.6MB
MD5

0c01cfc0685211b3c655c7a9526f1849
SHA1

864d23804b6e3c98efd1b56863a484b505ddf40b
SHA256

8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6
SHA512

6024a41f371d77a82608c0e8ff314853404a50decb77838ace61c43a72ef954f4a227849b85e2aa3ef0749120e8361f13145006652596fb22b2f972bf7585719
SSDEEP

49152:EZPf0tL9d77T+WScpPNBqB0+i8jS9fQzm/kv49hISc1HeW6YS3jLqFtJc:TVScpPN3D/8Sc1HeW6YSad

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

79.137.202.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Legenda
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/2256-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2256-5-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2256-8-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2256-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2256-19-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2256-20-0x0000000140000000-0x000000014013B000-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-1-5-21-4106386276-4127174233-3637007343-1000\Control Panel\International\Geo\Nation	bgfkbafhjoydwpbx.exe

Executes dropped EXE 1 IoCs

pid	Process
2256	bgfkbafhjoydwpbx.exe

Loads dropped DLL 1 IoCs

pid	Process
1104	bgfkbafhjoydwpbx.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-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.exe
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.exe
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.exe
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.exe
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1104 set thread context of 2256	1104	bgfkbafhjoydwpbx.exe	73

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
2316	cmd.exe
4680	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4680	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1104	bgfkbafhjoydwpbx.exe
1104	bgfkbafhjoydwpbx.exe
1104	bgfkbafhjoydwpbx.exe
1104	bgfkbafhjoydwpbx.exe
2256	bgfkbafhjoydwpbx.exe
2256	bgfkbafhjoydwpbx.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	bgfkbafhjoydwpbx.exe
Token: SeImpersonatePrivilege	2256	bgfkbafhjoydwpbx.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 1104 wrote to memory of 2256	1104	bgfkbafhjoydwpbx.exe	73
PID 2256 wrote to memory of 2316	2256	bgfkbafhjoydwpbx.exe	74
PID 2256 wrote to memory of 2316	2256	bgfkbafhjoydwpbx.exe	74
PID 2316 wrote to memory of 4680	2316	cmd.exe	76
PID 2316 wrote to memory of 4680	2316	cmd.exe	76

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bgfkbafhjoydwpbx.exe

C:\Users\Admin\AppData\Local\Temp\bgfkbafhjoydwpbx.exe
"C:\Users\Admin\AppData\Local\Temp\bgfkbafhjoydwpbx.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\AppData\Local\Temp\bgfkbafhjoydwpbx.exe
  "C:\Users\Admin\AppData\Local\Temp\bgfkbafhjoydwpbx.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:2256
- - 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\bgfkbafhjoydwpbx.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2316
  - - 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:4680

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

\Users\Admin\AppData\Local\Temp\bgfkbafhjoydwpbx.exe

Filesize
2.6MB

MD5
0c01cfc0685211b3c655c7a9526f1849

SHA1
864d23804b6e3c98efd1b56863a484b505ddf40b

SHA256
8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6

SHA512
6024a41f371d77a82608c0e8ff314853404a50decb77838ace61c43a72ef954f4a227849b85e2aa3ef0749120e8361f13145006652596fb22b2f972bf7585719

Download Submit
memory/1104-0-0x00007FF63B2D0000-0x00007FF63B576000-memory.dmp

Filesize
2.6MB

Download
memory/1104-9-0x00007FF63B2D0000-0x00007FF63B576000-memory.dmp

Filesize
2.6MB

Download
memory/2256-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2256-5-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2256-8-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2256-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2256-19-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2256-20-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download

Analysis

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