meduza | ffcae0093d509563b47b1d0cef3aa455a4358de3a1d2c2b84c298a927aa238e8

Analysis

max time kernel
118s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 20:34

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General

Target
008d381652c68883acac1b50f2befd50N.exe
Size 4.1MB
Sample240725-zchf4sweph
SHA256 ffcae0093d509563b47b1d0cef3aa455a4358de3a1d2c2b84c298a927aa238e8
MD5 008d381652c68883acac1b50f2befd50
SHA1 62cca067a15ec621e59cc1b81184db47ec394f1e
SHA512 a5593a72a2069870796995e93b3a7f18b1eba9f585b1c7287a6389df55c85e5b01bd34c6bfe716f985bce62feb17b7d1d12035ddd9717ef79337bc667b908ada
SSDEEP 24576:/D4DhxTtec0P20TJImnDJjMa1icm4BfEANsSDnOE51p4kQ5X5EJGLvq7mBiX19fo:mtN0RM6fLvsKDvDQ5JE+fBAA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

meduza collection credential_access discovery persistence spyware stealer

Malware Config

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/4588-0-0x00000196DEBC0000-0x00000196DECA9000-memory.dmp	family_meduza

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	008d381652c68883acac1b50f2befd50N.exe

Executes dropped EXE 1 IoCs

pid	Process
4172	mr6Yfi4gN9dI.exe

Reads user/profile data of web browsers 2 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

Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\My Program = "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe"	AddInProcess32.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
4	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4172 set thread context of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 set thread context of 1096	4172	mr6Yfi4gN9dI.exe	101

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 Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mr6Yfi4gN9dI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4588	008d381652c68883acac1b50f2befd50N.exe
4588	008d381652c68883acac1b50f2befd50N.exe
4588	008d381652c68883acac1b50f2befd50N.exe
4588	008d381652c68883acac1b50f2befd50N.exe
4172	mr6Yfi4gN9dI.exe
4172	mr6Yfi4gN9dI.exe
4172	mr6Yfi4gN9dI.exe
4172	mr6Yfi4gN9dI.exe
3352	AddInProcess32.exe
3352	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4172	mr6Yfi4gN9dI.exe
Token: SeDebugPrivilege	3352	AddInProcess32.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4172	4588	008d381652c68883acac1b50f2befd50N.exe	97
PID 4588 wrote to memory of 4172	4588	008d381652c68883acac1b50f2befd50N.exe	97
PID 4588 wrote to memory of 4172	4588	008d381652c68883acac1b50f2befd50N.exe	97
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 2628	4172	mr6Yfi4gN9dI.exe	98
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 3352	4172	mr6Yfi4gN9dI.exe	99
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 4172 wrote to memory of 1096	4172	mr6Yfi4gN9dI.exe	101
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102
PID 3352 wrote to memory of 4760	3352	AddInProcess32.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	008d381652c68883acac1b50f2befd50N.exe

C:\Users\Admin\AppData\Local\Temp\008d381652c68883acac1b50f2befd50N.exe
"C:\Users\Admin\AppData\Local\Temp\008d381652c68883acac1b50f2befd50N.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4588
- C:\Users\Admin\AppData\Local\Temp\mr6Yfi4gN9dI.exe
  "C:\Users\Admin\AppData\Local\Temp\mr6Yfi4gN9dI.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:2628
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3352
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      4⤵
      PID:4760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

mr6Yfi4gN9dI.exe

Path C:\Users\Admin\AppData\Local\Temp\mr6Yfi4gN9dI.exe
Size 819KB
SHA256 af6757d30c99d62538ed1b681884481cfd08e0e277a7ec3b55d9e22f5bad1268
MD5 e6f22534386dfeabe97f646659b7820a
SHA1 5a6ec08a0e8107dd1e3b3d963f89a2cbadda6d72
SHA512 8ce9bbe046e6753a2dd0b948c4a206275eeb534e36953677dbc4ebc64c34d14e0d747b178aab4761126557d3a92a4b22afea51f534ff433c0dd87112271c7d5d
SSDEEP 6144:0b7yS7Erx+f9JkRwRlOXPZXMXGjgA1Nge6nEgGOWYimgTnGyv79uTNiwbfC2sPfZ:+yS7Er69ow3OXl1g4gebiWYaD9upU2Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1096-79-0x0000000000400000-0x000000000043D000-memory.dmp

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memory/1096-81-0x0000000000400000-0x000000000043D000-memory.dmp

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memory/3352-50-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-64-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-48-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-41-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-66-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-68-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-58-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-44-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-46-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/3352-42-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4172-32-0x00000000751F0000-0x00000000759A0000-memory.dmp

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memory/4172-34-0x0000000004C60000-0x0000000004C66000-memory.dmp

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memory/4172-40-0x00000000751F0000-0x00000000759A0000-memory.dmp

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memory/4172-38-0x00000000096B0000-0x00000000096B6000-memory.dmp

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memory/4172-37-0x00000000096D0000-0x00000000096EA000-memory.dmp

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memory/4172-36-0x00000000751F0000-0x00000000759A0000-memory.dmp

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memory/4172-35-0x0000000007EF0000-0x0000000007EFA000-memory.dmp

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memory/4172-39-0x00000000751FE000-0x00000000751FF000-memory.dmp

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memory/4172-33-0x0000000009240000-0x0000000009502000-memory.dmp

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memory/4172-82-0x00000000751F0000-0x00000000759A0000-memory.dmp

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memory/4172-31-0x0000000005250000-0x00000000052EC000-memory.dmp

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memory/4172-30-0x00000000051B0000-0x0000000005242000-memory.dmp

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memory/4172-29-0x00000000058B0000-0x0000000005E54000-memory.dmp

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memory/4172-28-0x0000000000810000-0x00000000008E2000-memory.dmp

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memory/4172-27-0x00000000751FE000-0x00000000751FF000-memory.dmp

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memory/4588-0-0x00000196DEBC0000-0x00000196DECA9000-memory.dmp

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