Overview

overview

10

Static

static

3

mbrLocker.exe

windows7-x64

10

mbrLocker.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    mbrLocker.exe

  • Size

    3.8MB

  • Sample

    250101-116z2sxkax

  • MD5

    86a4599be8ad5035ed8f81a776a1a106

  • SHA1

    0a51ffaeb23178e79f0a783d7c009f9bf28f95b5

  • SHA256

    5e00e50d04130b470825d6c1bd58542d32a0a4f52c4d6e6ff01ea1cfad8fce3e

  • SHA512

    e7a1f4c0d0fb5c43bba1ce1dc54007c3ecebd865f70bed963e2400db3be898fe364bed723f7f3ff58d47309a9889f4b545e3de9fc71a4a72aaa8824f26c82afa

  • SSDEEP

    98304:luH/zVSNmGHjYKNC/qPqaMy25WJTZsRvO6Y:8HBymGDY/O4ikvO

Score
10/10
gluptebadiscoverydropperevasionloaderpersistenceprivilege_escalationrootkittrojan

Malware Config

Targets

    • Target

      mbrLocker.exe

    • Size

      3.8MB

    • MD5

      86a4599be8ad5035ed8f81a776a1a106

    • SHA1

      0a51ffaeb23178e79f0a783d7c009f9bf28f95b5

    • SHA256

      5e00e50d04130b470825d6c1bd58542d32a0a4f52c4d6e6ff01ea1cfad8fce3e

    • SHA512

      e7a1f4c0d0fb5c43bba1ce1dc54007c3ecebd865f70bed963e2400db3be898fe364bed723f7f3ff58d47309a9889f4b545e3de9fc71a4a72aaa8824f26c82afa

    • SSDEEP

      98304:luH/zVSNmGHjYKNC/qPqaMy25WJTZsRvO6Y:8HBymGDY/O4ikvO

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistenceprivilege_escalationtrojanrootkit

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

      loaderdropperglupteba

    • Glupteba family

      glupteba

    • Glupteba payload

    • Windows security bypass

      evasiontrojan

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

      rootkitevasion

    • Modifies boot configuration data using bcdedit

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Network Service Discovery

1
T1046

Query Registry

2
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks