General

  • Target

    video.mp4

  • Size

    718KB

  • Sample

    240629-ecrpkazfre

  • MD5

    aa5a6f24d7b15010548a93c25795a00a

  • SHA1

    07207fb0b15f0c8f54d363737bcb574b3503c08b

  • SHA256

    5549b15accc39899938506efedf59c7d173a26ae05da7bee6ab156d5509f2441

  • SHA512

    b876d08d6693e18223358009ce0a6ea8854dc59c3556b561d146e2b3022cb487bfdc4c6e8384395b76ab7cb852013b46b427b4c3cce3b57f6fb40950bd6a54ab

  • SSDEEP

    12288:LLeIbIKi4Jak0/NBpgdglgsHN31LtosVEqQ4MiVow7f1BwLr:feCIKi49+pgIgsXt1VEqQ4MiVow7fHwn

Malware Config

Targets

    • Target

      video.mp4

    • Size

      718KB

    • MD5

      aa5a6f24d7b15010548a93c25795a00a

    • SHA1

      07207fb0b15f0c8f54d363737bcb574b3503c08b

    • SHA256

      5549b15accc39899938506efedf59c7d173a26ae05da7bee6ab156d5509f2441

    • SHA512

      b876d08d6693e18223358009ce0a6ea8854dc59c3556b561d146e2b3022cb487bfdc4c6e8384395b76ab7cb852013b46b427b4c3cce3b57f6fb40950bd6a54ab

    • SSDEEP

      12288:LLeIbIKi4Jak0/NBpgdglgsHN31LtosVEqQ4MiVow7f1BwLr:feCIKi49+pgIgsXt1VEqQ4MiVow7fHwn

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Sets service image path in registry

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks computer location settings

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

    • 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.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

6
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Safe Mode Boot

1
T1562.009

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

System Information Discovery

7
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks