Overview

overview

10

Static

static

3

Orocess.exe

windows7-x64

10

Orocess.exe

windows10-2004-x64

Sharing

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General

  • Target

    Orocess.exe

  • Size

    1.3MB

  • Sample

    240715-tgzy3a1enb

  • MD5

    696c68b27591167316a5abfae78e3f3c

  • SHA1

    1b56dac752307df2d24d3ee764818466140b41b2

  • SHA256

    87fccb7051cf9e7730b92d5ea5ba7d8a341269ebd9ba73fe74537f9b44d3eb2c

  • SHA512

    642327e6d05195bdb83a0ce24214fb0b0d0711c8d791a81267354ded7d87a98e9ab161e1ff8bb870389a9a43ef523ab1418bb2dcbf3cdde03774a210940b0d3b

  • SSDEEP

    24576:06pco8SeZOHy3CtVsxb6pJSo/qc7BCANsSqwCh8jvxgPZOTdpaXjb:06pcxSMfmM+pz/JH2SbChAvxgPZOTu

Score
10/10
bootkitdiscoveryevasionexploitpersistencetrojan

Malware Config

Targets

    • Target

      Orocess.exe

    • Size

      1.3MB

    • MD5

      696c68b27591167316a5abfae78e3f3c

    • SHA1

      1b56dac752307df2d24d3ee764818466140b41b2

    • SHA256

      87fccb7051cf9e7730b92d5ea5ba7d8a341269ebd9ba73fe74537f9b44d3eb2c

    • SHA512

      642327e6d05195bdb83a0ce24214fb0b0d0711c8d791a81267354ded7d87a98e9ab161e1ff8bb870389a9a43ef523ab1418bb2dcbf3cdde03774a210940b0d3b

    • SSDEEP

      24576:06pco8SeZOHy3CtVsxb6pJSo/qc7BCANsSqwCh8jvxgPZOTdpaXjb:06pcxSMfmM+pz/JH2SbChAvxgPZOTu

    Score
    10/10
    bootkitdiscoveryevasionexploitpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

      exploit

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Modifies system executable filetype association

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Modifies WinLogon

      persistence

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

File and Directory Permissions Modification

1
T1222

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks