meduza | 156cc4ef32137f0f9a8df03c32c1b0b506c72355c08bbf6f8c07279a53a7922b | Triage

Analysis

max time kernel
98s
max time network
102s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
10-10-2024 13:57

Sharing

Report Analysis Logs

General

Target

installer.exe
Size

18.7MB
MD5

9cd846ea50a04e3d926b8adbfdcb9dff
SHA1

1c2d7e2e672e8aa64853f8a2b6b0ff7e97117465
SHA256

156cc4ef32137f0f9a8df03c32c1b0b506c72355c08bbf6f8c07279a53a7922b
SHA512

1b60385c3df8a331f3824954532262d63c7218459e1d7241b37c652520510e68d300d620b31f74492942a705434c740f336c44482ddebc1c04db60e4b50a933f
SSDEEP

98304:eI0CniMX77777773773W/lcCjQI7wnHsv8pMCTzSAhmyhJONL+L8JCE8fh9mdJOW:Nii77777773773WICRPZQ2isH

Score

10^/10

meduza collection discovery execution 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 2 IoCs

resource	yara_rule
behavioral4/memory/1056-40-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral4/memory/1056-38-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
3056	ubdoccoapxbquaun.exe
1056	ubdoccoapxbquaun.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	ubdoccoapxbquaun.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

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.exe
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.exe
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.exe
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.exe
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.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.

PowerShell

pid	Process
4728	powershell.exe
4620	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
4	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 1056	3056	ubdoccoapxbquaun.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.

Internet Connection Discovery

pid	Process
3156	cmd.exe
3432	PING.EXE

NTFS ADS 1 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

pid	Process
3432	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4728	powershell.exe
4728	powershell.exe
4620	powershell.exe
4620	powershell.exe
3056	ubdoccoapxbquaun.exe
3056	ubdoccoapxbquaun.exe
3056	ubdoccoapxbquaun.exe
3056	ubdoccoapxbquaun.exe
1056	ubdoccoapxbquaun.exe
1056	ubdoccoapxbquaun.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	4620	powershell.exe
Token: SeDebugPrivilege	1056	ubdoccoapxbquaun.exe
Token: SeImpersonatePrivilege	1056	ubdoccoapxbquaun.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 4728	3148	installer.exe	78
PID 3148 wrote to memory of 4728	3148	installer.exe	78
PID 3148 wrote to memory of 4620	3148	installer.exe	80
PID 3148 wrote to memory of 4620	3148	installer.exe	80
PID 3148 wrote to memory of 3056	3148	installer.exe	82
PID 3148 wrote to memory of 3056	3148	installer.exe	82
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 3056 wrote to memory of 1056	3056	ubdoccoapxbquaun.exe	83
PID 1056 wrote to memory of 3156	1056	ubdoccoapxbquaun.exe	84
PID 1056 wrote to memory of 3156	1056	ubdoccoapxbquaun.exe	84
PID 3156 wrote to memory of 3432	3156	cmd.exe	86
PID 3156 wrote to memory of 3432	3156	cmd.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ubdoccoapxbquaun.exe

C:\Users\Admin\AppData\Local\Temp\installer.exe
"C:\Users\Admin\AppData\Local\Temp\installer.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" "-Command" "$cmd = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcVXNlcnNcQWRtaW5cendkamxpdHliZmZ4bGJobCI=')); Invoke-Expression $cmd"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4728
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" "-Command" "$cmd = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QWRkLU1wUHJlZmVyZW5jZSAtRXhjbHVzaW9uUGF0aCAiQzpcVXNlcnNcQWRtaW5cendkamxpdHliZmZ4bGJobFx1YmRvY2NvYXB4YnF1YXVuLmV4ZSI=')); Invoke-Expression $cmd"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4620
- C:\Users\Admin\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe
  "C:\Users\Admin\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Users\Admin\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe
    "C:\Users\Admin\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe"
    3⤵
    - 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:1056
  - - 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\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe"
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:3156
    - - 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:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

PowerShell

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Browser Information Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Network Configuration Discovery

Internet Connection Discovery

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
5f4c933102a824f41e258078e34165a7

SHA1
d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee

SHA256
d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2

SHA512
a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034

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

Filesize
1KB

MD5
8d228ef067aaea2f7900d9a697bc52ad

SHA1
8460636a3bc33057ad5882f3ba8a1c3e0cbca0e0

SHA256
14e1ac3078d2a5668f992fdafb0fc88c2222794a0e10295907728609f20c008b

SHA512
1d2e6203d4fce34eccd62419f20315a38427996e3017efe82caa4ad4dab48aa158e1053ceac337d392ca7e7fd8e57a8cb08b7b33a7d8ed8cf5ceafb6d6342034

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_df2n5zyk.jwq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe

Filesize
2.6MB

MD5
98e56fc6276f5ea11ed37de5b40116d3

SHA1
882fd2c385eeaffec3881b3262de638ff912f276

SHA256
9006378885c4a84699ad0f90dbe7579969e3a1b41f6fd334c4e440d30a15d063

SHA512
978c3f3e5e866db2cc59a3474a6b75291b3eba44d445887c2afd50218dce776a650822eb67118481e62411b02102c7e49a1dc99db507d4cca59d0253b5b1a19b

Download Submit
C:\Users\Admin\zwdjlitybffxlbhl\ubdoccoapxbquaun.exe:a.dll

Filesize
1.4MB

MD5
217fadc021c5e644e590d0ec31a27702

SHA1
074b2b10054362719e9d5dc346fbbd4607ee6e13

SHA256
a05dbdb3c4e03ade632d6b338d683839fe068a3328654d3e066c944b18971f5d

SHA512
466f5e7034268df4112cda2c330e81747b1cc5e76f6f5f6359290506c750da4fff2f198e2087523470c709951758d38d1a9f0490edb332c667b1952e931f24fa

Download Submit
memory/1056-38-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/1056-40-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/3056-33-0x00007FF728450000-0x00007FF7286F6000-memory.dmp

Filesize
2.6MB

Download
memory/3056-41-0x00007FF728450000-0x00007FF7286F6000-memory.dmp

Filesize
2.6MB

Download
memory/3148-32-0x0000000000400000-0x0000000000DF4000-memory.dmp

Filesize
10.0MB

Download
memory/3148-0-0x0000000000400000-0x0000000000DF4000-memory.dmp

Filesize
10.0MB

Download
memory/4728-16-0x00007FFAE7830000-0x00007FFAE82F2000-memory.dmp

Filesize
10.8MB

Download
memory/4728-13-0x00007FFAE7830000-0x00007FFAE82F2000-memory.dmp

Filesize
10.8MB

Download
memory/4728-12-0x00007FFAE7830000-0x00007FFAE82F2000-memory.dmp

Filesize
10.8MB

Download
memory/4728-11-0x00007FFAE7830000-0x00007FFAE82F2000-memory.dmp

Filesize
10.8MB

Download
memory/4728-10-0x000001FE9C8E0000-0x000001FE9C902000-memory.dmp

Filesize
136KB

Download
memory/4728-1-0x00007FFAE7833000-0x00007FFAE7835000-memory.dmp

Filesize
8KB

Download