Overview

overview

10

Static

static

c38388bf32...bf.exe

windows7-x64

10

c38388bf32...bf.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    c38388bf32c0aa4e3dddbc13679bb15267549483757281087b4c5695d1bb37bf

  • Size

    582KB

  • Sample

    221203-gb1xysch9z

  • MD5

    8095cea8399fd2c906249df03e7c3d24

  • SHA1

    ac0f533c72eaf0b15a0b7f2a5bcdcfcddb72ac61

  • SHA256

    c38388bf32c0aa4e3dddbc13679bb15267549483757281087b4c5695d1bb37bf

  • SHA512

    e3b0689351a7ac94221703c9cb370f374c393574e7bb390b8f0064da121540aa542dcb0fa81f44eb965a5abd45b1491ddcbafd50ba8ec6fa6bc99324dd7e6493

  • SSDEEP

    12288:EODa75lXNDRghT9yTvu9RrxsAXNYMJJRqahfOz:Du3XtRSyTvu9IA9VJzT8

Score
10/10
bootkitdiscoveryevasionpersistencetrojanupx

Malware Config

Targets

    • Target

      c38388bf32c0aa4e3dddbc13679bb15267549483757281087b4c5695d1bb37bf

    • Size

      582KB

    • MD5

      8095cea8399fd2c906249df03e7c3d24

    • SHA1

      ac0f533c72eaf0b15a0b7f2a5bcdcfcddb72ac61

    • SHA256

      c38388bf32c0aa4e3dddbc13679bb15267549483757281087b4c5695d1bb37bf

    • SHA512

      e3b0689351a7ac94221703c9cb370f374c393574e7bb390b8f0064da121540aa542dcb0fa81f44eb965a5abd45b1491ddcbafd50ba8ec6fa6bc99324dd7e6493

    • SSDEEP

      12288:EODa75lXNDRghT9yTvu9RrxsAXNYMJJRqahfOz:Du3XtRSyTvu9IA9VJzT8

    Score
    10/10
    bootkitdiscoveryevasionpersistencetrojanupx

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Adds policy Run key to start application

      persistence

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks