meduza | 139cd548f6d5ba5c817248d17021cce6217cdbf5011b220a686ae8a65c12445c

General

Target
Rampage.exe
Size 2.2MB
Sample241027-19f5zstfph
SHA256 139cd548f6d5ba5c817248d17021cce6217cdbf5011b220a686ae8a65c12445c
MD5 95709d698e7dd8d27e89fd6d9949ec9e
SHA1 0c334e68068f52f87b3e2414ebeac0803b55a4f6
SHA512 7fb4c32b6d29059bbae9a7cd05dc66ba6537bb75f7c2c12de44c54b32e6efcfccaef3c1367802d1872a7f0855c65cf35b6b5c3ef41b567a145708888ad0e3fd5
SSDEEP 49152:92kHSucxcEeWJa4q2Fi/mU5QyrIx6hpfou+7qN8vEM:9nSu+cEeWJa4q2Fi/f5QFwpfod7vcM
MD5 SHA1 SHA512 SSDEEP

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
438
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 3 IoCs

resource	yara_rule
behavioral2/memory/2576-8-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/2576-15-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/2576-16-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza

Meduza 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Rampage.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.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
15	api.ipify.org
16	api.ipify.org

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
4004	cmd.exe
1284	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1284	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	Rampage.exe
2576	Rampage.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	Rampage.exe
Token: SeImpersonatePrivilege	2576	Rampage.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 4004	2576	Rampage.exe	95
PID 2576 wrote to memory of 4004	2576	Rampage.exe	95
PID 4004 wrote to memory of 1284	4004	cmd.exe	97
PID 4004 wrote to memory of 1284	4004	cmd.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Rampage.exe

C:\Users\Admin\AppData\Local\Temp\Rampage.exe
"C:\Users\Admin\AppData\Local\Temp\Rampage.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2576
- 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\Rampage.exe"
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4004
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 1 -w 3000
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1284