Overview

overview

10

Static

static

3

RisxnExtreme.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    RisxnExtreme.exe
  • Size 2.2MB
  • Sample260626-v83ppsdx9j
  • SHA256 aba40c34459e5c0ab112e963e994d01019eeabdabd06c09c938798b6210dd902
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutiontrojan

Malware Config

Targets

    • Target
      RisxnExtreme.exe
    • Size 2.2MB
    • SHA256 aba40c34459e5c0ab112e963e994d01019eeabdabd06c09c938798b6210dd902
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionexecutiontrojan

    • UAC bypass

      defense_evasiontrojan

    • Checks computer location settings

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

    • Disables service(s)

      defense_evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

2
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

2
T1489

Tasks