Overview

overview

7

Static

static

1

Bell Sched...te.pdf

windows10-2004-x64

7

Resubmissions

31-03-2023 23:51

230331-3wkblaee62 7

31-03-2023 23:51

230331-3v96mafh2x 1

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General

  • Target

    Bell Schedules Website.pdf

  • Size

    734KB

  • Sample

    230331-3wkblaee62

  • MD5

    3176eae34d151ff3d00f5f68ad01ef19

  • SHA1

    2fdc90be5afb16f85f057dcb1689f5ad2d948dfd

  • SHA256

    76912a5ef9d612f18ac0053022aa41ee06bb8e920c1bc8a6335f5c366a5b76e2

  • SHA512

    743190339596ac865b80eee2f4f509c62a6441dc2734c31d31788aff6d82d8eb4c047a81c1a4b01f843cb2b23a2783e8e12c599e5c4c72ac013b609ef5e3a27e

  • SSDEEP

    12288:xqnceOMbrfZT/GaQJn+j3GLbPXVGwN+TLYWRmSZQUyWMycQbYXalS3CuLwQ0bMB2:9t4V0kWnPXVGK+TLNRnQplQb10IQip

Score
7/10
bootkitpersistence

Malware Config

Targets

    • Target

      Bell Schedules Website.pdf

    • Size

      734KB

    • MD5

      3176eae34d151ff3d00f5f68ad01ef19

    • SHA1

      2fdc90be5afb16f85f057dcb1689f5ad2d948dfd

    • SHA256

      76912a5ef9d612f18ac0053022aa41ee06bb8e920c1bc8a6335f5c366a5b76e2

    • SHA512

      743190339596ac865b80eee2f4f509c62a6441dc2734c31d31788aff6d82d8eb4c047a81c1a4b01f843cb2b23a2783e8e12c599e5c4c72ac013b609ef5e3a27e

    • SSDEEP

      12288:xqnceOMbrfZT/GaQJn+j3GLbPXVGwN+TLYWRmSZQUyWMycQbYXalS3CuLwQ0bMB2:9t4V0kWnPXVGK+TLNRnQplQb10IQip

    Score
    7/10
    bootkitpersistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • 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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks