Overview

overview

8

Static

static

c3c4b87a6f...74.exe

windows7-x64

8

c3c4b87a6f...74.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    c3c4b87a6ffb4ca6be623f0c3c8af2b4f8779443e07f4d87a5d4431fdeea2f74

  • Size

    844KB

  • Sample

    221205-hehq8aab5s

  • MD5

    c06ec00914836f74acb11a22b5ebe82c

  • SHA1

    a941b3241d79245b35a092059a398cac11f5aa5f

  • SHA256

    c3c4b87a6ffb4ca6be623f0c3c8af2b4f8779443e07f4d87a5d4431fdeea2f74

  • SHA512

    e4f6c1c4f36439058f7e86c262b2c383cffda0a2443f5c9cb7a23232b790cf30b508a22337bb1215f279aac3eaf383a44605b46048f004b7978e5a4d7219c003

  • SSDEEP

    12288:sqejXb3FnOyyoeNJ2S98aR+G0TqEdaNahcbbfcRrRtzPyY7Eu+uEsQs8aXe6fWM:sqejooeHgTqEINwCXY7Eu+bsQs84eY

Score
8/10
bootkitpersistence

Malware Config

Targets

    • Target

      c3c4b87a6ffb4ca6be623f0c3c8af2b4f8779443e07f4d87a5d4431fdeea2f74

    • Size

      844KB

    • MD5

      c06ec00914836f74acb11a22b5ebe82c

    • SHA1

      a941b3241d79245b35a092059a398cac11f5aa5f

    • SHA256

      c3c4b87a6ffb4ca6be623f0c3c8af2b4f8779443e07f4d87a5d4431fdeea2f74

    • SHA512

      e4f6c1c4f36439058f7e86c262b2c383cffda0a2443f5c9cb7a23232b790cf30b508a22337bb1215f279aac3eaf383a44605b46048f004b7978e5a4d7219c003

    • SSDEEP

      12288:sqejXb3FnOyyoeNJ2S98aR+G0TqEdaNahcbbfcRrRtzPyY7Eu+uEsQs8aXe6fWM:sqejooeHgTqEINwCXY7Eu+bsQs84eY

    Score
    8/10
    bootkitpersistence

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks