Overview

overview

8

Static

static

3

nex.exe

windows10-2004-x64

8

nex.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    419804de80892b86a93c451828fc5b24039f3ae06a15733fab3b1bf8690c0bd4
  • Size 73KB
  • Sample261107-nks22aef97
  • SHA256 419804de80892b86a93c451828fc5b24039f3ae06a15733fab3b1bf8690c0bd4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutionpersistencetrojanupx

Malware Config

Targets

    • Target
      nex.exe
    • Size 497KB
    • SHA256 b805dc4d53eb0beb1734e5c3e9f0c1f41c319436e402b7a9061222e710308ee1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutionpersistencetrojanupx

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Downloads MZ/PE file

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Windows security bypass

      defense_evasiontrojan

    • Windows security modification

      defense_evasiontrojan

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Direct Volume Access

1
T1006

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks