Overview

overview

10

Static

static

3

55b7c5fc1f...5a.exe

windows7-x64

10

55b7c5fc1f...5a.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    55b7c5fc1fb25c9d345e11f6abf6285a

  • Size

    364KB

  • Sample

    231226-fhm41agchq

  • MD5

    55b7c5fc1fb25c9d345e11f6abf6285a

  • SHA1

    8a2b255ce25a0db5c2d4deab1c1de55affab3a96

  • SHA256

    cf2fbe6cadafd3eb7d56f2541885df8d5f8c4707e804c84f3164414b1175dfc8

  • SHA512

    804545b6c74107968b911e248803d8488b147ca891db0296148e9eb5d4776b5a56a695935b3d4961dc7bcac7e0bd0ba63f72e8772fecef0dc2c8b629ee4c49f1

  • SSDEEP

    3072:yH3o+x4+BTk2RjfwvffYjpz3owaT5wTtMhnuDghOfLIWkDDrlhzYj2:yH4+xLBAImwaT5wTSuDQkMW4vb

Score
10/10
adwarebootkitevasionpersistencestealer

Malware Config

Targets

    • Target

      55b7c5fc1fb25c9d345e11f6abf6285a

    • Size

      364KB

    • MD5

      55b7c5fc1fb25c9d345e11f6abf6285a

    • SHA1

      8a2b255ce25a0db5c2d4deab1c1de55affab3a96

    • SHA256

      cf2fbe6cadafd3eb7d56f2541885df8d5f8c4707e804c84f3164414b1175dfc8

    • SHA512

      804545b6c74107968b911e248803d8488b147ca891db0296148e9eb5d4776b5a56a695935b3d4961dc7bcac7e0bd0ba63f72e8772fecef0dc2c8b629ee4c49f1

    • SSDEEP

      3072:yH3o+x4+BTk2RjfwvffYjpz3owaT5wTtMhnuDghOfLIWkDDrlhzYj2:yH4+xLBAImwaT5wTSuDQkMW4vb

    Score
    10/10
    adwarebootkitevasionpersistencestealer

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Blocklisted process makes network request

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks