Overview

overview

10

Static

static

10

AA_v3.exe

windows7-x64

10

AA_v3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c0162.zip

  • Size

    424KB

  • Sample

    230530-g1v31aff74

  • MD5

    c34f3214d39e2208806be6b17c3a383c

  • SHA1

    71c9bf6a90e7dd6713c5262efb81f6f762813010

  • SHA256

    980e3d4eb5581e7a4567e2fc6a7e1a99e4e78598e662c98e1d45fa29b26e1426

  • SHA512

    19c361d5a38c10252ebd9b9d3173697d645673dc7bd85e6fdb958e6742a2a85bcfa6066a7960fb9d57192a1d9dd6ad1294c0ec4433404be37b91fd4e6034a1db

  • SSDEEP

    12288:oAcaU5cQKh1T+qR2IXENmyvSKnDyCgamMOopAG0Fr:AzHY1z2IXENpGCgamkLGr

Score
10/10
ammyyadminflawedammyybootkitpersistencetrojan

Malware Config

Targets

    • Target

      AA_v3.exe

    • Size

      798KB

    • MD5

      90aadf2247149996ae443e2c82af3730

    • SHA1

      050b7eba825412b24e3f02d76d7da5ae97e10502

    • SHA256

      ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a

    • SHA512

      eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be

    • SSDEEP

      24576:Uj0JJ4p/A4npt3XojeQG5EtzRtO7GvmDguXd:UjoJ4u4zojegylDN

    Score
    10/10
    flawedammyybootkitpersistencetrojan

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

      trojanflawedammyy

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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 v6

Tasks