meduza | 9006378885c4a84699ad0f90dbe7579969e3a1b41f6fd334c4e440d30a15d063

General

Target

Oldsetup.exe
Size

2.6MB
MD5

98e56fc6276f5ea11ed37de5b40116d3
SHA1

882fd2c385eeaffec3881b3262de638ff912f276
SHA256

9006378885c4a84699ad0f90dbe7579969e3a1b41f6fd334c4e440d30a15d063
SHA512

978c3f3e5e866db2cc59a3474a6b75291b3eba44d445887c2afd50218dce776a650822eb67118481e62411b02102c7e49a1dc99db507d4cca59d0253b5b1a19b
SSDEEP

49152:HZPf0tL9d77T+WScpPNBqB0+iZjS9fQzm4qU0Hy+GtGHkyMaRV/EfZ8yd:EVScpPN3OHmUQ

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/736-8-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/736-9-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/736-11-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/736-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/736-20-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/736-21-0x0000000140000000-0x000000014013B000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Oldsetup.exe

Executes dropped EXE 1 IoCs

pid	Process
736	Oldsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
1860	Oldsetup.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.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
14	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 736	1860	Oldsetup.exe	88

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
2116	cmd.exe
1656	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1656	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1860	Oldsetup.exe
1860	Oldsetup.exe
1860	Oldsetup.exe
1860	Oldsetup.exe
736	Oldsetup.exe
736	Oldsetup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	736	Oldsetup.exe
Token: SeImpersonatePrivilege	736	Oldsetup.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 1860 wrote to memory of 736	1860	Oldsetup.exe	88
PID 736 wrote to memory of 2116	736	Oldsetup.exe	92
PID 736 wrote to memory of 2116	736	Oldsetup.exe	92
PID 2116 wrote to memory of 1656	2116	cmd.exe	94
PID 2116 wrote to memory of 1656	2116	cmd.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Oldsetup.exe

C:\Users\Admin\AppData\Local\Temp\Oldsetup.exe
"C:\Users\Admin\AppData\Local\Temp\Oldsetup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\Oldsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\Oldsetup.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:736
- - 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\Oldsetup.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2116
  - - 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:1656

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\Oldsetup.exe

Filesize
2.6MB

MD5
98e56fc6276f5ea11ed37de5b40116d3

SHA1
882fd2c385eeaffec3881b3262de638ff912f276

SHA256
9006378885c4a84699ad0f90dbe7579969e3a1b41f6fd334c4e440d30a15d063

SHA512
978c3f3e5e866db2cc59a3474a6b75291b3eba44d445887c2afd50218dce776a650822eb67118481e62411b02102c7e49a1dc99db507d4cca59d0253b5b1a19b

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

Filesize
1.4MB

MD5
217fadc021c5e644e590d0ec31a27702

SHA1
074b2b10054362719e9d5dc346fbbd4607ee6e13

SHA256
a05dbdb3c4e03ade632d6b338d683839fe068a3328654d3e066c944b18971f5d

SHA512
466f5e7034268df4112cda2c330e81747b1cc5e76f6f5f6359290506c750da4fff2f198e2087523470c709951758d38d1a9f0490edb332c667b1952e931f24fa

Download Submit
memory/736-8-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/736-9-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/736-11-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/736-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/736-20-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/736-21-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1860-0-0x00007FF784B60000-0x00007FF784E06000-memory.dmp

Filesize
2.6MB

Download
memory/1860-10-0x00007FF784B60000-0x00007FF784E06000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing