Overview

overview

10

Static

static

1

531385825c...9b.exe

windows7-x64

10

531385825c...9b.exe

windows10-2004-x64

8

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General

  • Target

    531385825c41391106c55541b8dea2336057cd5e8242b305f9c7b35bdaec4c9b

  • Size

    175KB

  • Sample

    220717-bcla1ahfa8

  • MD5

    1220a01a24052a9d62b4db1497300945

  • SHA1

    64bc6dcc92a210dd481f49c5f823b39dd1638738

  • SHA256

    531385825c41391106c55541b8dea2336057cd5e8242b305f9c7b35bdaec4c9b

  • SHA512

    0b5dcdf7d0936c1812748131f64818a42a489482be500389a7379b908fce2dba110cba087ce2972ef083b75b17043cb21280ee4f3a4f75a38fe15de56c408fdd

Score
10/10
jokerbootkitdiscoveryinfostealerpersistencetrojanupx

Malware Config

Targets

    • Target

      531385825c41391106c55541b8dea2336057cd5e8242b305f9c7b35bdaec4c9b

    • Size

      175KB

    • MD5

      1220a01a24052a9d62b4db1497300945

    • SHA1

      64bc6dcc92a210dd481f49c5f823b39dd1638738

    • SHA256

      531385825c41391106c55541b8dea2336057cd5e8242b305f9c7b35bdaec4c9b

    • SHA512

      0b5dcdf7d0936c1812748131f64818a42a489482be500389a7379b908fce2dba110cba087ce2972ef083b75b17043cb21280ee4f3a4f75a38fe15de56c408fdd

    Score
    10/10
    jokerbootkitdiscoveryinfostealerpersistencetrojanupx

    • joker

      Joker is an Android malware that targets billing and SMS fraud.

      infostealertrojanjoker

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • 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

    • Drops desktop.ini file(s)

    • 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 Enterprise v6

Tasks