Overview

overview

10

Static

static

10

0b7751b440...5e.exe

windows7-x64

10

0b7751b440...5e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0b7751b440662fe01cb16aaa74d3d83a149fe2b9a375111f6821e90522b6a55e

  • Size

    854KB

  • Sample

    221119-mdtjjsbe2w

  • MD5

    3238426bf8f438b4abcd3db787ac0258

  • SHA1

    f3cfe3bbbcaae85059cea6645dc6016425025f8f

  • SHA256

    0b7751b440662fe01cb16aaa74d3d83a149fe2b9a375111f6821e90522b6a55e

  • SHA512

    d8b8674962e4f53c59ba408a8ac271b4cec4777d425eee6f8bc21a3aae2e52dc6ed00abf475722442b029c55cccbfafdf1ee4bc21969648398625fbd780e98bf

  • SSDEEP

    12288:CQCs07y2blQDJy++/l21RtSckhwLhZ+Ehgu52yDOve/7Or5:4s07dlQDJyq1RtlkiLhZ+xugyDKP5

Score
10/10
ammyyadminflawedammyyevasionpersistencerattrojan

Malware Config

Targets

    • Target

      0b7751b440662fe01cb16aaa74d3d83a149fe2b9a375111f6821e90522b6a55e

    • Size

      854KB

    • MD5

      3238426bf8f438b4abcd3db787ac0258

    • SHA1

      f3cfe3bbbcaae85059cea6645dc6016425025f8f

    • SHA256

      0b7751b440662fe01cb16aaa74d3d83a149fe2b9a375111f6821e90522b6a55e

    • SHA512

      d8b8674962e4f53c59ba408a8ac271b4cec4777d425eee6f8bc21a3aae2e52dc6ed00abf475722442b029c55cccbfafdf1ee4bc21969648398625fbd780e98bf

    • SSDEEP

      12288:CQCs07y2blQDJy++/l21RtSckhwLhZ+Ehgu52yDOve/7Or5:4s07dlQDJyq1RtlkiLhZ+xugyDKP5

    Score
    10/10
    ammyyadminflawedammyyevasionpersistencerattrojan

    • Ammyy Admin

      Remote admin tool with various capabilities.

      ratammyyadmin

    • AmmyyAdmin payload

    • FlawedAmmyy RAT

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

      trojanflawedammyy

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks