Overview

overview

10

Static

static

1

client.py

windows7-x64

3

client.py

windows10-2004-x64

Sharing

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General

  • Target

    client.py

  • Size

    647B

  • Sample

    241120-yn95tssgqk

  • MD5

    ae2b21d6b8594cb9d0d8c0adcdd3490d

  • SHA1

    25128e6979d4137e3f327ed259b506f01db0df7e

  • SHA256

    24551bdf49c9893f3bbf05e0472cedc50bdd0b923e0db8696f96c082f30785c0

  • SHA512

    0be6337dc641857fbc69e4a140f6e8b86494eb29ec9add1a0f3082fb5d18657c101f4f3776c3b4a0385532cd9bc106bda4065ea40c1dbfa9282f5fbea8cd7c74

Score
10/10
discoveryevasionpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target

      client.py

    • Size

      647B

    • MD5

      ae2b21d6b8594cb9d0d8c0adcdd3490d

    • SHA1

      25128e6979d4137e3f327ed259b506f01db0df7e

    • SHA256

      24551bdf49c9893f3bbf05e0472cedc50bdd0b923e0db8696f96c082f30785c0

    • SHA512

      0be6337dc641857fbc69e4a140f6e8b86494eb29ec9add1a0f3082fb5d18657c101f4f3776c3b4a0385532cd9bc106bda4065ea40c1dbfa9282f5fbea8cd7c74

    Score
    10/10
    discoveryevasionpersistenceprivilege_escalationransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Downloads MZ/PE file

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Checks installed software on the system

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

      discovery

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

5
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks