Overview

overview

10

Static

static

10

86d8456a78...3c.exe

windows7-x64

10

86d8456a78...3c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    86d8456a7832bfb4909c9972d2a5622b1c341df3a405d9ff15f79ffe9e34563c

  • Size

    91KB

  • Sample

    240521-a3ny5scf25

  • MD5

    352087d465f180e096eb49568346e072

  • SHA1

    b74f05f94bf291ba6a9735798e0d6bffa766979a

  • SHA256

    86d8456a7832bfb4909c9972d2a5622b1c341df3a405d9ff15f79ffe9e34563c

  • SHA512

    600eafacf6651e6aa9713284ac092e74037e88b0249ea7925e27a9e2a51b2d3ed8d74d8ee4ad276230fac5b6c9902bf7a0433b7191e2844a0a150af55de8bb07

  • SSDEEP

    1536:ERsjdf1aM67v32Z9x5nouy8VTyRsjdf1aM67v32Z9x5nouy8VTQ:EOaHv3YpoutNyOaHv3YpoutNQ

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      86d8456a7832bfb4909c9972d2a5622b1c341df3a405d9ff15f79ffe9e34563c

    • Size

      91KB

    • MD5

      352087d465f180e096eb49568346e072

    • SHA1

      b74f05f94bf291ba6a9735798e0d6bffa766979a

    • SHA256

      86d8456a7832bfb4909c9972d2a5622b1c341df3a405d9ff15f79ffe9e34563c

    • SHA512

      600eafacf6651e6aa9713284ac092e74037e88b0249ea7925e27a9e2a51b2d3ed8d74d8ee4ad276230fac5b6c9902bf7a0433b7191e2844a0a150af55de8bb07

    • SSDEEP

      1536:ERsjdf1aM67v32Z9x5nouy8VTyRsjdf1aM67v32Z9x5nouy8VTQ:EOaHv3YpoutNyOaHv3YpoutNQ

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UPX dump on OEP (original entry point)

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks