Overview

overview

10

Static

static

1

EFI_[unkno...]_.zip

windows10-2004-x64

Resubmissions

18-07-2024 00:13

240718-ah91wawelp 10

18-07-2024 00:06

240718-ady3tayhqh 10

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General

  • Target

    EFI_[unknowncheats.me]_.zip

  • Size

    22B

  • Sample

    240718-ah91wawelp

  • MD5

    76cdb2bad9582d23c1f6f4d868218d6c

  • SHA1

    b04f3ee8f5e43fa3b162981b50bb72fe1acabb33

  • SHA256

    8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85

  • SHA512

    5e2f959f36b66df0580a94f384c5fc1ceeec4b2a3925f062d7b68f21758b86581ac2adcfdde73a171a28496e758ef1b23ca4951c05455cdae9357cc3b5a5825f

Score
10/10
defense_evasionevasionpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target

      EFI_[unknowncheats.me]_.zip

    • Size

      22B

    • MD5

      76cdb2bad9582d23c1f6f4d868218d6c

    • SHA1

      b04f3ee8f5e43fa3b162981b50bb72fe1acabb33

    • SHA256

      8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85

    • SHA512

      5e2f959f36b66df0580a94f384c5fc1ceeec4b2a3925f062d7b68f21758b86581ac2adcfdde73a171a28496e758ef1b23ca4951c05455cdae9357cc3b5a5825f

    Score
    10/10
    defense_evasionevasionpersistenceprivilege_escalationransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • UAC bypass

      evasiontrojan

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Hide Artifacts: Hidden Users

      defense_evasion

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

3
T1564

Hidden Files and Directories

2
T1564.001

Hidden Users

1
T1564.002

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Safe Mode Boot

1
T1562.009

Modify Registry

5
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks