meduza | 954c43ff928d85db80b063afe4d8840352404adbea17da49214be9040937d4fd

General

Target

Setup.exe
Size

1.7MB
MD5

1c6d495f277e016142578900f89cad48
SHA1

a75520fa4588ba6d5a488f01838de8916c9c955e
SHA256

954c43ff928d85db80b063afe4d8840352404adbea17da49214be9040937d4fd
SHA512

617d9e0fde00b21a96765a47b35a5fa8226161f08ebdb74d76ec434ea3a61d6cf66aea22d3e96335199c2a2ea383df5c6a81f80a68fa7e8034cdb433d900816a
SSDEEP

49152:ibo95a6iGY06DoD/aM8tnQ2X2HcB5nrv:exM8bX28Bxr

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

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/1708-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/1708-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/1708-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/1708-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/1708-17-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/1708-18-0x0000000140000000-0x000000014013B000-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	Setup.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	Setup.exe

Loads dropped DLL 1 IoCs

pid	Process
2084	Setup.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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Setup.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 1708	2084	Setup.exe	81

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
2140	cmd.exe
4172	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4172	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1708	Setup.exe
1708	Setup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	Setup.exe
Token: SeImpersonatePrivilege	1708	Setup.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 2084 wrote to memory of 1708	2084	Setup.exe	81
PID 1708 wrote to memory of 2140	1708	Setup.exe	85
PID 1708 wrote to memory of 2140	1708	Setup.exe	85
PID 2140 wrote to memory of 4172	2140	cmd.exe	87
PID 2140 wrote to memory of 4172	2140	cmd.exe	87

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	Setup.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	Setup.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.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:1708
- - 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\Setup.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2140
  - - 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:4172

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Setup.exe

Filesize
1.7MB

MD5
1c6d495f277e016142578900f89cad48

SHA1
a75520fa4588ba6d5a488f01838de8916c9c955e

SHA256
954c43ff928d85db80b063afe4d8840352404adbea17da49214be9040937d4fd

SHA512
617d9e0fde00b21a96765a47b35a5fa8226161f08ebdb74d76ec434ea3a61d6cf66aea22d3e96335199c2a2ea383df5c6a81f80a68fa7e8034cdb433d900816a

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

Filesize
1.4MB

MD5
dd37a6b538dd765a1a7e3abb29fe3535

SHA1
d92ec870a15d2daa553e3ab1750f2b40cede3471

SHA256
04beb1a8b56a306a3477be229aa4680651329a7b1d508216a8a047a82a6e88f6

SHA512
cc0ac847d0475cf1d9b6888ce315137e6d3819fea80e3bcfb186a864ee837ca001c0d063888b730176acc27bf887ac8669a764eb9932091cfa764ce035049bf1

Download Submit
memory/1708-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1708-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1708-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1708-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1708-17-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1708-18-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2084-8-0x00007FF7C7BB0000-0x00007FF7C7D65000-memory.dmp

Filesize
1.7MB

Download
memory/2084-9-0x00007FF9110C0000-0x00007FF911224000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing