meduza | ae04f1bc929f6f83a4010f59fcc1f78caea5d198ae3779c7e058608effcc56af

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 23:33

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General

Target

OceanicTools.exe
Size

22.2MB
MD5

f975ef6b34160bff3ba3c8c815f9e77c
SHA1

4b818a41b68f8ed6f6719db14e19f955a60aebe8
SHA256

ae04f1bc929f6f83a4010f59fcc1f78caea5d198ae3779c7e058608effcc56af
SHA512

ba08c564b363affea6c39394955feb327a6c15cde9a5b83806088fcfdb4b4464deb24dcbca0e2cb5f26ae9172d7c8fb94ed58e0a534bf21deb4957363f67a222
SSDEEP

98304:XHE3AU4FiZ0ZXawT/2MMlOLG9ffkTj8cywcAk:U3u0Z0EdM1LGdUjKA

Score

10^/10

meduza collection discovery execution spyware stealer

Malware Config

Extracted

Family

meduza

79.137.202.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Legenda
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 2 IoCs

resource	yara_rule
behavioral2/memory/3488-39-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/3488-37-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	rjewoylibwhqtald.exe

Executes dropped EXE 2 IoCs

pid	Process
4940	rjewoylibwhqtald.exe
3488	rjewoylibwhqtald.exe

Loads dropped DLL 1 IoCs

pid	Process
4940	rjewoylibwhqtald.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2940	powershell.exe
956	powershell.exe

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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4940 set thread context of 3488	4940	rjewoylibwhqtald.exe	98

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
4160	cmd.exe
4588	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe:a.dll	rjewoylibwhqtald.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4588	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
956	powershell.exe
956	powershell.exe
2940	powershell.exe
2940	powershell.exe
4940	rjewoylibwhqtald.exe
4940	rjewoylibwhqtald.exe
4940	rjewoylibwhqtald.exe
4940	rjewoylibwhqtald.exe
3488	rjewoylibwhqtald.exe
3488	rjewoylibwhqtald.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3056	wmic.exe
Token: SeSecurityPrivilege	3056	wmic.exe
Token: SeTakeOwnershipPrivilege	3056	wmic.exe
Token: SeLoadDriverPrivilege	3056	wmic.exe
Token: SeSystemProfilePrivilege	3056	wmic.exe
Token: SeSystemtimePrivilege	3056	wmic.exe
Token: SeProfSingleProcessPrivilege	3056	wmic.exe
Token: SeIncBasePriorityPrivilege	3056	wmic.exe
Token: SeCreatePagefilePrivilege	3056	wmic.exe
Token: SeBackupPrivilege	3056	wmic.exe
Token: SeRestorePrivilege	3056	wmic.exe
Token: SeShutdownPrivilege	3056	wmic.exe
Token: SeDebugPrivilege	3056	wmic.exe
Token: SeSystemEnvironmentPrivilege	3056	wmic.exe
Token: SeRemoteShutdownPrivilege	3056	wmic.exe
Token: SeUndockPrivilege	3056	wmic.exe
Token: SeManageVolumePrivilege	3056	wmic.exe
Token: 33	3056	wmic.exe
Token: 34	3056	wmic.exe
Token: 35	3056	wmic.exe
Token: 36	3056	wmic.exe
Token: SeIncreaseQuotaPrivilege	3056	wmic.exe
Token: SeSecurityPrivilege	3056	wmic.exe
Token: SeTakeOwnershipPrivilege	3056	wmic.exe
Token: SeLoadDriverPrivilege	3056	wmic.exe
Token: SeSystemProfilePrivilege	3056	wmic.exe
Token: SeSystemtimePrivilege	3056	wmic.exe
Token: SeProfSingleProcessPrivilege	3056	wmic.exe
Token: SeIncBasePriorityPrivilege	3056	wmic.exe
Token: SeCreatePagefilePrivilege	3056	wmic.exe
Token: SeBackupPrivilege	3056	wmic.exe
Token: SeRestorePrivilege	3056	wmic.exe
Token: SeShutdownPrivilege	3056	wmic.exe
Token: SeDebugPrivilege	3056	wmic.exe
Token: SeSystemEnvironmentPrivilege	3056	wmic.exe
Token: SeRemoteShutdownPrivilege	3056	wmic.exe
Token: SeUndockPrivilege	3056	wmic.exe
Token: SeManageVolumePrivilege	3056	wmic.exe
Token: 33	3056	wmic.exe
Token: 34	3056	wmic.exe
Token: 35	3056	wmic.exe
Token: 36	3056	wmic.exe
Token: SeDebugPrivilege	956	powershell.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	3488	rjewoylibwhqtald.exe
Token: SeImpersonatePrivilege	3488	rjewoylibwhqtald.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 3764	3452	OceanicTools.exe	84
PID 3452 wrote to memory of 3764	3452	OceanicTools.exe	84
PID 3452 wrote to memory of 3056	3452	OceanicTools.exe	86
PID 3452 wrote to memory of 3056	3452	OceanicTools.exe	86
PID 3452 wrote to memory of 956	3452	OceanicTools.exe	91
PID 3452 wrote to memory of 956	3452	OceanicTools.exe	91
PID 3452 wrote to memory of 2940	3452	OceanicTools.exe	93
PID 3452 wrote to memory of 2940	3452	OceanicTools.exe	93
PID 3452 wrote to memory of 4940	3452	OceanicTools.exe	95
PID 3452 wrote to memory of 4940	3452	OceanicTools.exe	95
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 4940 wrote to memory of 3488	4940	rjewoylibwhqtald.exe	98
PID 3488 wrote to memory of 4160	3488	rjewoylibwhqtald.exe	101
PID 3488 wrote to memory of 4160	3488	rjewoylibwhqtald.exe	101
PID 4160 wrote to memory of 4588	4160	cmd.exe	103
PID 4160 wrote to memory of 4588	4160	cmd.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rjewoylibwhqtald.exe

C:\Users\Admin\AppData\Local\Temp\OceanicTools.exe
"C:\Users\Admin\AppData\Local\Temp\OceanicTools.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\SYSTEM32\reg.exe
  "reg" "query" "SYSTEM\CurrentControlSet\Services\Disk\Enum"
  2⤵
  PID:3764
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" "computersystem" "get" "manufacturer"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3056
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" "-Command" "$cmd = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcVXNlcnNcQWRtaW5cbXpoY3RkeGVjaGNkb3h5eCI=')); Invoke-Expression $cmd"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:956
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" "-Command" "$cmd = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcVXNlcnNcQWRtaW5cbXpoY3RkeGVjaGNkb3h5eFxyamV3b3lsaWJ3aHF0YWxkLmV4ZSI=')); Invoke-Expression $cmd"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe
  "C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe
    "C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe"
    3⤵
    - 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:3488
  - - 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\mzhctdxechcdoxyx\rjewoylibwhqtald.exe"
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:4160
    - - C:\Windows\system32\PING.EXE
        
        ping 1.1.1.1 -n 1 -w 3000
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:4588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
aa8efa56e1e40374bbd21e0e469dceb7

SHA1
33a592799d4898c6efdd29e132f2f76ec51dbc08

SHA256
25eb4f899ae8f90b66b9342781456700d1af487f6f302fe5a727328b026f6bdf

SHA512
ad6de575b83db36b239317e4c46a1eaeb0383d5909a12b69ee2b38798c2b5cb0d19b464f5689037501d20592d92c4d3d84f0e49fdb1c0648b6593481a183f096

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rucejkux.udm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe

Filesize
2.6MB

MD5
0c01cfc0685211b3c655c7a9526f1849

SHA1
864d23804b6e3c98efd1b56863a484b505ddf40b

SHA256
8d6ee227c57e825bc978db47c7587d46e7df06e3656d493486ee26b1426c98a6

SHA512
6024a41f371d77a82608c0e8ff314853404a50decb77838ace61c43a72ef954f4a227849b85e2aa3ef0749120e8361f13145006652596fb22b2f972bf7585719

Download Submit
C:\Users\Admin\mzhctdxechcdoxyx\rjewoylibwhqtald.exe:a.dll

Filesize
1.4MB

MD5
bc690cc3a740f79f71732e6dba60b67a

SHA1
1b3b7107bdddcee5f10781f466a52f195190f342

SHA256
3fb6b027285db00651f0257df8f5ca9db5665a24a5e23f476cd3e71244bfbc7f

SHA512
bd090037334592f7000be3ec1ff3e77f4303f59f071a7fd6d21eee6b96d07d8aaf6f51725369f2823dd9e0fe2bc1f437bc0fc32ee7af2de2ed49c0b654bf521a

Download Submit
memory/956-11-0x00007FF8E1E60000-0x00007FF8E2921000-memory.dmp

Filesize
10.8MB

Download
memory/956-15-0x00007FF8E1E60000-0x00007FF8E2921000-memory.dmp

Filesize
10.8MB

Download
memory/956-12-0x00007FF8E1E60000-0x00007FF8E2921000-memory.dmp

Filesize
10.8MB

Download
memory/956-0-0x00007FF8E1E63000-0x00007FF8E1E65000-memory.dmp

Filesize
8KB

Download
memory/956-6-0x00000272A9F10000-0x00000272A9F32000-memory.dmp

Filesize
136KB

Download
memory/3488-39-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3488-37-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4940-32-0x00007FF6C3440000-0x00007FF6C36E6000-memory.dmp

Filesize
2.6MB

Download
memory/4940-40-0x00007FF6C3440000-0x00007FF6C36E6000-memory.dmp

Filesize
2.6MB

Download