meduza | a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80e

General

Target

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
Size

4.1MB
MD5

42a5c60fadb3b94505babe3561507a50
SHA1

ade46a914ffefa4b1d8b791fbfdf07531c362e44
SHA256

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80e
SHA512

d98f41807a0fa8edb5a2f2b054985d753e18deaa06e768045dcab7a108e15ae95dabb0c35506e652dd61d039da43d71d9576638d3ec85ffe46d21e4d18285611
SSDEEP

49152:/xGK0l3e3ubXWCC5JJhZs0wFF2d1vJ2Z:/xGK09yuZZ

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes

anti_dbg
true
anti_vm
true
build_name
enew
extensions
.txt
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

Processes:

resource	yara_rule
behavioral2/memory/3592-4-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3592-5-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3592-7-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3592-6-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3592-14-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral2/memory/3592-15-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza

Meduza 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

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.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

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.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.

Processes:

flow	ioc
7	api.ipify.org
8	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

description	pid	Process	procid_target
PID 1724 set thread context of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

pid	Process
3592	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
3592	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

description	pid	Process
Token: SeDebugPrivilege	3592	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
Token: SeImpersonatePrivilege	3592	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

description	pid	Process	procid_target
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84
PID 1724 wrote to memory of 3592	1724	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe	84

outlook_office_path 1 IoCs

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

outlook_win_path 1 IoCs

Processes:

a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

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	a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe

C:\Users\Admin\AppData\Local\Temp\a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
"C:\Users\Admin\AppData\Local\Temp\a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
  C:\Users\Admin\AppData\Local\Temp\a39cb2c31b6724eaa78f60fe29ced83e50ffad7e39efd604a7debdac63a2a80eN.exe
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3592

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

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1724-0-0x00007FF73F010000-0x00007FF73F011000-memory.dmp

Filesize
4KB

Download
memory/3592-4-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3592-5-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3592-7-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3592-6-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3592-14-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/3592-15-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads