Overview

overview

8

Static

static

1

5a3f0e8acc...06.exe

windows7-x64

8

5a3f0e8acc...06.exe

windows10-2004-x64

8

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General

  • Target

    5a3f0e8acc22a9959703b96385d95345fdf1b9174e524068f49c94a526104306

  • Size

    171KB

  • Sample

    221126-2vs2nseg3t

  • MD5

    aeaca792d865f50ee85754a74a1f2ff2

  • SHA1

    25ce8282ec805060d7cb04046fad00c22ac1759a

  • SHA256

    5a3f0e8acc22a9959703b96385d95345fdf1b9174e524068f49c94a526104306

  • SHA512

    1f22ad16f1ba6af24d563f7b46c203469913f5acc1a18693241db6ce2d9b86ecfc904a3f18fce1d727f0b6178a4b8a80da2a64a151309d49cc57902ac4c57764

  • SSDEEP

    3072:h3c1fP4AJJEAeqwKN+BCXtY+efAS6e1pfQKaEjZT6J9SNgH3uGguslH5WR0lc:FOPjwUwKFK4SPJT6PEgXKvH5Muc

Score
8/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      5a3f0e8acc22a9959703b96385d95345fdf1b9174e524068f49c94a526104306

    • Size

      171KB

    • MD5

      aeaca792d865f50ee85754a74a1f2ff2

    • SHA1

      25ce8282ec805060d7cb04046fad00c22ac1759a

    • SHA256

      5a3f0e8acc22a9959703b96385d95345fdf1b9174e524068f49c94a526104306

    • SHA512

      1f22ad16f1ba6af24d563f7b46c203469913f5acc1a18693241db6ce2d9b86ecfc904a3f18fce1d727f0b6178a4b8a80da2a64a151309d49cc57902ac4c57764

    • SSDEEP

      3072:h3c1fP4AJJEAeqwKN+BCXtY+efAS6e1pfQKaEjZT6J9SNgH3uGguslH5WR0lc:FOPjwUwKFK4SPJT6PEgXKvH5Muc

    Score
    8/10
    bootkitdiscoverypersistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • 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

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks