meduza | d10449f12f6bd9f29e59600486bd48a49c0f7263a990ed82b9b2a635f4706fac

General

Target

bot.exe
Size

2.6MB
MD5

3870b1e1ca36deec20214c6ae51f8f16
SHA1

feefcdc98dae9d1a720f8626af58f136f6468a0b
SHA256

d10449f12f6bd9f29e59600486bd48a49c0f7263a990ed82b9b2a635f4706fac
SHA512

840087c0a876bf027dba23d1050534bee2ad31e58b9343290b40c470d28cbde7158c785f200cadf6e5d69539183814b20f343e3130f974b8ce88af8d8ec338cc
SSDEEP

49152:7ZPf0tL9d77T+WScpPNBqB0+iajS9fQzw7baQrppXsg7G4zvw6FGyvoS5QJ+jweu:AVScpPN3l7baQ3sg7G4zvwevoS5QYweu

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes

anti_dbg
true
anti_vm
true
build_name
15
extensions
none
grabber_max_size
1.048576e+06
links
none
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/236-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/236-11-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/236-9-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/236-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/236-21-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/236-22-0x0000000140000000-0x000000014013B000-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-1-5-21-160447019-1232603106-4168707212-1000\Control Panel\International\Geo\Nation	bot.exe

Executes dropped EXE 1 IoCs

pid	Process
236	bot.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	bot.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-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.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 2368 set thread context of 236	2368	bot.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
1716	cmd.exe
2152	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2152	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2368	bot.exe
2368	bot.exe
2368	bot.exe
2368	bot.exe
236	bot.exe
236	bot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	236	bot.exe
Token: SeImpersonatePrivilege	236	bot.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 2368 wrote to memory of 236	2368	bot.exe	73
PID 236 wrote to memory of 1716	236	bot.exe	74
PID 236 wrote to memory of 1716	236	bot.exe	74
PID 1716 wrote to memory of 2152	1716	cmd.exe	76
PID 1716 wrote to memory of 2152	1716	cmd.exe	76

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bot.exe

C:\Users\Admin\AppData\Local\Temp\bot.exe
"C:\Users\Admin\AppData\Local\Temp\bot.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\bot.exe
  "C:\Users\Admin\AppData\Local\Temp\bot.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:236
- - 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\bot.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - 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:2152

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\bot.exe

Filesize
2.6MB

MD5
3870b1e1ca36deec20214c6ae51f8f16

SHA1
feefcdc98dae9d1a720f8626af58f136f6468a0b

SHA256
d10449f12f6bd9f29e59600486bd48a49c0f7263a990ed82b9b2a635f4706fac

SHA512
840087c0a876bf027dba23d1050534bee2ad31e58b9343290b40c470d28cbde7158c785f200cadf6e5d69539183814b20f343e3130f974b8ce88af8d8ec338cc

Download Submit
memory/236-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/236-11-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/236-9-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/236-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/236-21-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/236-22-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2368-0-0x00007FF603CC0000-0x00007FF603F66000-memory.dmp

Filesize
2.6MB

Download
memory/2368-6-0x00007FFDDC810000-0x00007FFDDC974000-memory.dmp

Filesize
1.4MB

Download
memory/2368-12-0x00007FF603CC0000-0x00007FF603F66000-memory.dmp

Filesize
2.6MB

Download

Analysis

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