Overview

overview

10

Static

static

10

loca.exe

windows10-2004-x64

10

loca.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    loca.exe
  • Size 52KB
  • Sample260810-sx818ssbma
  • SHA256 847aa041d2eff719a2ad68d40f09398419a1e4d5cf237f83618d531a92964dde
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdiscoveryexecutionpersistencetrojan

Malware Config

Targets

    • Target
      loca.exe
    • Size 52KB
    • SHA256 847aa041d2eff719a2ad68d40f09398419a1e4d5cf237f83618d531a92964dde
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionneptuneratpersistencetrojan

    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks