Overview

overview

9

Static

static

3

Essentialsv1.8.exe

windows10-ltsc_2021-x64

9

Sharing

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General

  • Target
    Essentialsv1.8_[unknowncheats.me]_.zip
  • Size 2.9MB
  • Sample261030-v8pg3szzbw
  • SHA256 d750a8e660b2c5a13e1255b3a11bc213ccc8435cbdf0bd82394be171690fbb62
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionpersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target
      Essentialsv1.8.exe
    • Size 5.2MB
    • SHA256 a519aa4057c5bad962a0e371f158246f3f59ce6d6ba293a99ef058ef2991c4d8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionpersistenceransomwarespywaretrojan

    • Renames multiple (6105) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Visual Basic

1
T1059.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

3
T1553

Install Root Certificate

2
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks