meduza | 9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32

General

Target

9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
Size

1.7MB
MD5

b5d3547be863b719e29009f47f7d14a0
SHA1

b7abc61f2c9eb630d38ccea349acca5345939bf7
SHA256

9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32
SHA512

d3673cb005da62455716ffba477da8c54a3b512a0d7d8edc07ae3b766faef817a2ed8badad036de89386e83c970f88f389a63e8b8d85086095cf860c2d7fa33b
SSDEEP

49152:3bo95a6iGYLWBjosANqicY0a3xdumAFMm6JhQk6pyJ:xWposANqieaXAFMth6p

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
459
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 5 IoCs

resource	yara_rule
behavioral2/memory/2036-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2036-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2036-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2036-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/2036-19-0x0000000140000000-0x000000014013B000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.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 2072 set thread context of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83

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
3280	cmd.exe
4972	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe:a.dll	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4972	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
Token: SeImpersonatePrivilege	2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2072 wrote to memory of 2036	2072	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	83
PID 2036 wrote to memory of 3280	2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	87
PID 2036 wrote to memory of 3280	2036	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe	87
PID 3280 wrote to memory of 4972	3280	cmd.exe	89
PID 3280 wrote to memory of 4972	3280	cmd.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
"C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe
  "C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.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:2036
- - 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\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3280
  - - 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:4972

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

C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe

Filesize
1.7MB

MD5
b5d3547be863b719e29009f47f7d14a0

SHA1
b7abc61f2c9eb630d38ccea349acca5345939bf7

SHA256
9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32

SHA512
d3673cb005da62455716ffba477da8c54a3b512a0d7d8edc07ae3b766faef817a2ed8badad036de89386e83c970f88f389a63e8b8d85086095cf860c2d7fa33b

Download Submit
C:\Users\Admin\AppData\Local\Temp\9c5a5fa983d27dafc21ff8164169ad7772e3c0c49b32d0c5346e1854ed1d2e32N.exe:a.dll

Filesize
1.4MB

MD5
07708c08bef34f4f0dffe5ed79efb132

SHA1
2b15bd5469d30513fa87d8d793d6a7ad0a3928ff

SHA256
149774709aae49864fe2dcaa819099bff6c3c875a3900ca5cb566ced41419232

SHA512
9d76831e2d7a0c56f84996b85a2f3b0b0a58e9d2a3d6bfd8277edc2be212486922992d2b80cfd72d5f0766713f783d3bc98a6f8a0fb0643ad5d6d20746a0cfa4

Download Submit
memory/2036-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2036-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2036-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2036-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2036-19-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/2072-9-0x00007FFF995D0000-0x00007FFF99734000-memory.dmp

Filesize
1.4MB

Download
memory/2072-8-0x00007FF6EA110000-0x00007FF6EA2C5000-memory.dmp

Filesize
1.7MB

Download

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