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 2 IoCs

resource	yara_rule
behavioral2/memory/5020-16-0x000001C14C140000-0x000001C14C27E000-memory.dmp	family_meduza
behavioral2/memory/5020-25-0x000001C14C140000-0x000001C14C27E000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe

Executes dropped EXE 1 IoCs

pid	Process
5020	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.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

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
5020	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
5020	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe
Token: SeDebugPrivilege	5020	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
Token: SeImpersonatePrivilege	5020	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 5020	1564	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe	93
PID 1564 wrote to memory of 5020	1564	745e68eef52d2584274e182a7825b4e181d542bda918cd5e2264cad8e8ebc5bc.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.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:1564
- C:\Users\Admin\AppData\Local\Temp\d7f018bb-80ce-416d-8dec-41ffe1b93f91\bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe
  "C:\Users\Admin\AppData\Local\Temp\d7f018bb-80ce-416d-8dec-41ffe1b93f91\bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe"
  2⤵
  - 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:5020

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\d7f018bb-80ce-416d-8dec-41ffe1b93f91\bf891ae8-8f0e-458a-9bfd-0cfeecba67b8.exe

Filesize
2.5MB

MD5
823882161f77b0f3dafcbc1112000a98

SHA1
37cc9d3f298a358232a1bbc1cc0376df480525d8

SHA256
bfe90987bd3cee5c347c1db7c6db0f63545bbca447667226798d1ba071915b08

SHA512
4fc2cb284065074498d2b37febba994a9b4d773f9f92555c21c6f8c22a318c25a97f518cb7d0dbf320cf5bcf984b2b9b0e880a9f5a43ed1353f7782ec60343a5

Download Submit
memory/1564-0-0x00007FFB84E33000-0x00007FFB84E35000-memory.dmp

Filesize
8KB

Download
memory/1564-1-0x0000014C91CA0000-0x0000014C974EE000-memory.dmp

Filesize
88.3MB

Download
memory/1564-2-0x00007FFB84E30000-0x00007FFB858F1000-memory.dmp

Filesize
10.8MB

Download
memory/1564-3-0x00007FFB84E33000-0x00007FFB84E35000-memory.dmp

Filesize
8KB

Download
memory/1564-4-0x00007FFB84E30000-0x00007FFB858F1000-memory.dmp

Filesize
10.8MB

Download
memory/1564-5-0x00007FFB84E30000-0x00007FFB858F1000-memory.dmp

Filesize
10.8MB

Download
memory/1564-6-0x00007FFB84E30000-0x00007FFB858F1000-memory.dmp

Filesize
10.8MB

Download
memory/1564-24-0x00007FFB84E30000-0x00007FFB858F1000-memory.dmp

Filesize
10.8MB

Download
memory/5020-15-0x00007FFBA3130000-0x00007FFBA3325000-memory.dmp

Filesize
2.0MB

Download
memory/5020-16-0x000001C14C140000-0x000001C14C27E000-memory.dmp

Filesize
1.2MB

Download
memory/5020-25-0x000001C14C140000-0x000001C14C27E000-memory.dmp

Filesize
1.2MB

Download

Analysis

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