Overview

overview

8

Static

static

1

d26a7f2d4f...fe.exe

windows7-x64

8

d26a7f2d4f...fe.exe

windows10-2004-x64

8

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General

  • Target

    31fee2c73b8d2a8ec979775cd5f5ced7.bin

  • Size

    759KB

  • Sample

    230726-blbsxshc2t

  • MD5

    c0e93d468932ea456f2551c68403cb1a

  • SHA1

    15af777471175874438fb2d6a68397493faecf8b

  • SHA256

    e41cd52a6cbdc73bcac690319be8fb556829c0c337f6f166925f40a5a578ce3e

  • SHA512

    407c6f8714d267031bf51eca2f597906a16d4e379e80f67062b8f32de4e06205f80a3364039615db05c0e85905a220f484a1e1387f776e1419c303dda290dcba

  • SSDEEP

    12288:FpTysSioq/d3gLB858LZFuzjRqK03uPJib84gOTM5+934ZOspK6DajoDIcEr+V2U:FVys/7xgLO8LZkjRqZ+PJi44gB5E34gy

Score
8/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      d26a7f2d4f3521827201e6cdcd296f132c7d18c3a1ce70c24b423300cff326fe.bin

    • Size

      1.4MB

    • MD5

      31fee2c73b8d2a8ec979775cd5f5ced7

    • SHA1

      39182a68bc0c1c07d3ddc47cd69fe3692dbac834

    • SHA256

      d26a7f2d4f3521827201e6cdcd296f132c7d18c3a1ce70c24b423300cff326fe

    • SHA512

      db51b602a8675641bc3a0a980a197243787ed12f5e0619cb1d390c91193d7e3447e3e86e2321c3ea273c6732b356003a249241d7d8a5699931810e5a35d5c650

    • SSDEEP

      24576:kL/7n6lbcC8oblv1zj1SqdAGFQZIxvC45UJoe1Z:E6+C8o5tzjYq+ZIxL5UJoeL

    Score
    8/10
    bootkitpersistencediscovery

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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 Enterprise v15

Tasks