Overview

overview

10

Static

static

3

Client.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    Client.exe

  • Size

    500KB

  • Sample

    241120-rhrmzayckk

  • MD5

    706a89f18e5a4dcad53f4cff670226e2

  • SHA1

    510916e46deaf6f99ba8c9eaa406edc65190bbc8

  • SHA256

    85b624596c2e0bf499d8a58c0c3dd3cecf07d74891f118ee7197e2a067dead08

  • SHA512

    b21a259eff6539433d7951a7ac2d364e49472b98f8da12bdae58785e1b98e4d5df28e906bdea076f3cbcfe67b5879f7abe830616097eb1ace6b42192309e523a

  • SSDEEP

    12288:cRbJzqUF8EePVle8mHcFCtOqFbd3XJlW1oa:cF9qU+Q8FCtOqP3XJlW1V

Score
10/10
persistenceprivilege_escalation

Malware Config

Targets

    • Target

      Client.exe

    • Size

      500KB

    • MD5

      706a89f18e5a4dcad53f4cff670226e2

    • SHA1

      510916e46deaf6f99ba8c9eaa406edc65190bbc8

    • SHA256

      85b624596c2e0bf499d8a58c0c3dd3cecf07d74891f118ee7197e2a067dead08

    • SHA512

      b21a259eff6539433d7951a7ac2d364e49472b98f8da12bdae58785e1b98e4d5df28e906bdea076f3cbcfe67b5879f7abe830616097eb1ace6b42192309e523a

    • SSDEEP

      12288:cRbJzqUF8EePVle8mHcFCtOqFbd3XJlW1oa:cF9qU+Q8FCtOqP3XJlW1V

    Score
    10/10
    persistenceprivilege_escalation

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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.

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

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

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

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

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks