Overview

overview

9

Static

static

1

EpicInstal...4a.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    EpicInstaller-19.2.3-f1859eb0655047eea5434f455c3b294a.exe
  • Size 82.2MB
  • Sample260504-dec4hsbv5z
  • SHA256 681383fd871d9a08735e83f1a8a66f555e66587437062f0d650c4819e6259ad2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoverypersistenceprivilege_escalationransomwarespywaretrojan

Malware Config

Targets

    • Target
      EpicInstaller-19.2.3-f1859eb0655047eea5434f455c3b294a.exe
    • Size 82.2MB
    • SHA256 681383fd871d9a08735e83f1a8a66f555e66587437062f0d650c4819e6259ad2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoverypersistenceprivilege_escalationransomwarespywaretrojan

    • Renames multiple (161) files with added filename extension

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

      ransomware

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Modifies file permissions

      discovery

    • 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.

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks