Overview

overview

10

Static

static

3

c481c9c10e...6e.exe

windows7-x64

10

c481c9c10e...6e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c481c9c10e7f885b820fc67a4237243812360ee11f47e61195e147036fd6a86e.exe

  • Size

    727KB

  • Sample

    241120-wys8ysvqfm

  • MD5

    b844d30083e3a7b9147913ef5b155170

  • SHA1

    c4d4d34221d3ad54ce9051c6e42abfef51d8e6ae

  • SHA256

    c481c9c10e7f885b820fc67a4237243812360ee11f47e61195e147036fd6a86e

  • SHA512

    b16f6cbefd79bb45550442a6020c4142927a100ffd231a206b8e48aae5552459f3ff3ca67dbac215f8b3bd2c466948236f76b690c554dc27bac7bf9325b6099b

  • SSDEEP

    3072:OmqtkjEgIN9thOU2t2DxcBjXnyIpGXJK2jxcis0A:lqtsEFOUalfGXJ4isP

Score
10/10
bootkitdiscoveryevasionexecutionpersistence

Malware Config

Targets

    • Target

      c481c9c10e7f885b820fc67a4237243812360ee11f47e61195e147036fd6a86e.exe

    • Size

      727KB

    • MD5

      b844d30083e3a7b9147913ef5b155170

    • SHA1

      c4d4d34221d3ad54ce9051c6e42abfef51d8e6ae

    • SHA256

      c481c9c10e7f885b820fc67a4237243812360ee11f47e61195e147036fd6a86e

    • SHA512

      b16f6cbefd79bb45550442a6020c4142927a100ffd231a206b8e48aae5552459f3ff3ca67dbac215f8b3bd2c466948236f76b690c554dc27bac7bf9325b6099b

    • SSDEEP

      3072:OmqtkjEgIN9thOU2t2DxcBjXnyIpGXJK2jxcis0A:lqtsEFOUalfGXJ4isP

    Score
    10/10
    bootkitdiscoveryevasionexecutionpersistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Adds policy Run key to start application

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      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 autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Modify Registry

5
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks