meduza | 92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2

General

Target

92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
Size

1.7MB
MD5

27b360b2dfc1dc9f768a9926dbb0c520
SHA1

cf38d9ea51288e5d7a7678dc5c2af374c9308a5d
SHA256

92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2
SHA512

aa0292f595b32fd89573fcfb1ccb3972e2e6e1d532e0356d50d09efb68582e02eacc75419bcd33e2f59e7b5b1e8f90b5485698177b40a15fdfcc8cc61a7227ff
SSDEEP

49152:ebo95a6iGYZZ3ZQ/TofdJ0C2qJ8+eDZuEAI2CKEKwIR:0zqTofdJ1FDelAI2CKED

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

79.137.202.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Kitten3
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
grabber_max_size
2.097152e+06
port
15666
self_destruct
true

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/4196-4-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/4196-10-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/4196-7-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/4196-6-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/4196-19-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza
behavioral2/memory/4196-20-0x0000000140000000-0x000000014013B000-memory.dmp	family_meduza

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

Executes dropped EXE 1 IoCs

pid	Process
4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

Loads dropped DLL 1 IoCs

pid	Process
4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.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
3	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4668 set thread context of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.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.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3052	cmd.exe
4736	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe:a.dll	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4736	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
Token: SeImpersonatePrivilege	4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4668 wrote to memory of 4196	4668	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	83
PID 4196 wrote to memory of 3052	4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	88
PID 4196 wrote to memory of 3052	4196	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe	88
PID 3052 wrote to memory of 4736	3052	cmd.exe	90
PID 3052 wrote to memory of 4736	3052	cmd.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

C:\Users\Admin\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
"C:\Users\Admin\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Users\Admin\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe
  "C:\Users\Admin\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe"
  2⤵
  - 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:4196
- - 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\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3052
  - - C:\Windows\system32\PING.EXE
      ping 1.1.1.1 -n 1 -w 3000
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4736

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

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

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\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe

Filesize
1.7MB

MD5
27b360b2dfc1dc9f768a9926dbb0c520

SHA1
cf38d9ea51288e5d7a7678dc5c2af374c9308a5d

SHA256
92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2

SHA512
aa0292f595b32fd89573fcfb1ccb3972e2e6e1d532e0356d50d09efb68582e02eacc75419bcd33e2f59e7b5b1e8f90b5485698177b40a15fdfcc8cc61a7227ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\92926adf402368d754fd1eabf96adbc526e791a2aa6da3c63d0b9e9db91212a2N.exe:a.dll

Filesize
1.4MB

MD5
c7af31ba8b25e9278196b47fed247ace

SHA1
146d5373b7eca275e539809e02f3f32df47f5bdc

SHA256
46f4d5254a52d7e0538612aba62f575b8ee6904145398d484a7e602c4a99a49e

SHA512
3e715f8a7450cde8766f294aaed3f23e96cc9486c384983a465b801e0f7fe9c40c491824858cf666354bf545e17266037fbab332462c9cbd024a78206a3271ee

Download Submit
memory/4196-4-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4196-10-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4196-7-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4196-6-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4196-19-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4196-20-0x0000000140000000-0x000000014013B000-memory.dmp

Filesize
1.2MB

Download
memory/4668-8-0x00007FF77CF20000-0x00007FF77D0D5000-memory.dmp

Filesize
1.7MB

Download
memory/4668-9-0x00007FFFD1AB0000-0x00007FFFD1C14000-memory.dmp

Filesize
1.4MB

Download

Analysis

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