Overview

overview

8

Static

static

3

ejx.exe

windows10-2004-x64

8

ejx.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    ejx.exe
  • Size 23.4MB
  • Sample260730-yd5scswela
  • SHA256 6c04a994524bc861714c4a325328df0c2ad9f2306e15cc45a9bf0c03d8d611c0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutioninstallerpersistencespywaretrojan

Malware Config

Targets

    • Target
      ejx.exe
    • Size 23.4MB
    • SHA256 6c04a994524bc861714c4a325328df0c2ad9f2306e15cc45a9bf0c03d8d611c0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutioninstallerpersistencespywaretrojan

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Contacts third-party web service commonly abused for C2

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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

1
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

Remote System Discovery

1
T1018

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Service Stop

1
T1489

Tasks