Overview

overview

10

Static

static

5

slk4yzllfrl7ldvh.exe

windows10-2004-x64

10

slk4yzllfrl7ldvh.exe

windows11-ltsc_2024-x64

6

Sharing

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General

  • Target
    slk4yzllfrl7ldvh.exe
  • Size 1.1MB
  • Sample260831-pwdbdsvvbx
  • SHA256 30af47aac1590910d889350cdd153d349d359bad2c8d908b0bfa865dac4b1b03
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarecosturadiscoveryexecutionpackerpersistenceprivilege_escalationransomwarespyware

Malware Config

Targets

    • Target
      slk4yzllfrl7ldvh.exe
    • Size 1.1MB
    • SHA256 30af47aac1590910d889350cdd153d349d359bad2c8d908b0bfa865dac4b1b03
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarecosturadiscoveryexecutionpackerpersistenceprivilege_escalationransomwarespyware

    • Modifies WinLogon for persistence

      persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

      persistenceprivilege_escalation

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • 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

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks