meduza | 745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc

General

Target

745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe
Size

88.3MB
MD5

a48fdb35dbd4c841377c7a6b7f854e01
SHA1

8632d7f9b56081501bcba13d378250c98400e7a0
SHA256

745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc
SHA512

b4bcae323e4d49fbeec6790a4d3ff73dba1c3f3ec26c318abde0dd989087f38f370f59e87d0f3cde8a024d7f315f9f681880d2ebfe94008ed19f82ff59cf61f5
SSDEEP

6144:Ki9PBXe1j1agJRe6qTF38D6t6HTD1Nmhro:KqBmagJRe6qc6t6zwo

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Work
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
grabber_max_size
4.194304e+06
port
15666
self_destruct
false

Signatures

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

Meduza Stealer payload 6 IoCs

resource	yara_rule
behavioral2/memory/864-22-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/864-23-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/864-19-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/864-21-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/864-32-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza
behavioral2/memory/864-33-0x0000000140000000-0x000000014013E000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe

Executes dropped EXE 2 IoCs

pid	Process
4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
864	15047b78-a6ea-4f08-93b9-a802b2a4afbd.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4500 set thread context of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
864	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
864	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3300	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe
Token: SeDebugPrivilege	864	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
Token: SeImpersonatePrivilege	864	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 4500	3300	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe	94
PID 3300 wrote to memory of 4500	3300	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe	94
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95
PID 4500 wrote to memory of 864	4500	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe

C:\Users\Admin\AppData\Local\Temp\745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe
"C:\Users\Admin\AppData\Local\Temp\745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\659bbc16-26ce-4976-ab93-b68e7300fe16\15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
  "C:\Users\Admin\AppData\Local\Temp\659bbc16-26ce-4976-ab93-b68e7300fe16\15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Users\Admin\AppData\Local\Temp\659bbc16-26ce-4976-ab93-b68e7300fe16\15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
    C:\Users\Admin\AppData\Local\Temp\659bbc16-26ce-4976-ab93-b68e7300fe16\15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:864

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

System Information Discovery

2

T1082

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\659bbc16-26ce-4976-ab93-b68e7300fe16\15047b78-a6ea-4f08-93b9-a802b2a4afbd.exe

Filesize
4.1MB

MD5
dd0b9382bc7d77840b168800bc8cb812

SHA1
d5b635efbf79662929b311572e41d7ea612749cc

SHA256
93626f2a12a4ab1fbe7e284af0a3368c4041e58428f18429acc64d3f09067a29

SHA512
d59b6f1496eade71a929c054523fa4815b5786226e0f1a62a6c0855ce5f2d2759ade49f1c00f657474c87a0d0a8a01fbc49644a766dde3556ccc9994152679de

Download Submit
memory/864-33-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/864-32-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/864-21-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/864-19-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/864-23-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/864-22-0x0000000140000000-0x000000014013E000-memory.dmp

Filesize
1.2MB

Download
memory/3300-4-0x00007FFD0A4E0000-0x00007FFD0AFA1000-memory.dmp

Filesize
10.8MB

Download
memory/3300-6-0x00007FFD0A4E0000-0x00007FFD0AFA1000-memory.dmp

Filesize
10.8MB

Download
memory/3300-5-0x00007FFD0A4E0000-0x00007FFD0AFA1000-memory.dmp

Filesize
10.8MB

Download
memory/3300-0-0x00007FFD0A4E3000-0x00007FFD0A4E5000-memory.dmp

Filesize
8KB

Download
memory/3300-3-0x00007FFD0A4E3000-0x00007FFD0A4E5000-memory.dmp

Filesize
8KB

Download
memory/3300-31-0x00007FFD0A4E0000-0x00007FFD0AFA1000-memory.dmp

Filesize
10.8MB

Download
memory/3300-2-0x00007FFD0A4E0000-0x00007FFD0AFA1000-memory.dmp

Filesize
10.8MB

Download
memory/3300-1-0x0000020BE07B0000-0x0000020BE5FFE000-memory.dmp

Filesize
88.3MB

Download
memory/4500-15-0x00007FF65DB60000-0x00007FF65DB61000-memory.dmp

Filesize
4KB

Download

Analysis

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