Overview

overview

10

Static

static

3

8406ece5ef...90.exe

windows7-x64

10

8406ece5ef...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8406ece5efd461d7d7b3963fb3e841778ea952b8ac96daef43a24e7510d41290

  • Size

    96KB

  • Sample

    250307-1lx4laxyfv

  • MD5

    53045464942a6499baaf9b59da916d26

  • SHA1

    8751b2afb0f2c0fe7dc13010856d7c7a845ad07b

  • SHA256

    8406ece5efd461d7d7b3963fb3e841778ea952b8ac96daef43a24e7510d41290

  • SHA512

    99c850126fc56421a00870a4a00ae613c39fead7e8367d72eac3bc4d7e270da15f00497d1f4589289bbcd8659bc82674763499611b76dc458ba42f9b8bf34c9b

  • SSDEEP

    1536:Q0ulz2r0X/i2TnCpjbqnDg6pZ+HyXEyOQZMZ3QNlnW/rXktaAjWbjtKBvU:zi2remjbqU6pZ2IyZ3QNSXktVwtCU

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      8406ece5efd461d7d7b3963fb3e841778ea952b8ac96daef43a24e7510d41290

    • Size

      96KB

    • MD5

      53045464942a6499baaf9b59da916d26

    • SHA1

      8751b2afb0f2c0fe7dc13010856d7c7a845ad07b

    • SHA256

      8406ece5efd461d7d7b3963fb3e841778ea952b8ac96daef43a24e7510d41290

    • SHA512

      99c850126fc56421a00870a4a00ae613c39fead7e8367d72eac3bc4d7e270da15f00497d1f4589289bbcd8659bc82674763499611b76dc458ba42f9b8bf34c9b

    • SSDEEP

      1536:Q0ulz2r0X/i2TnCpjbqnDg6pZ+HyXEyOQZMZ3QNlnW/rXktaAjWbjtKBvU:zi2remjbqU6pZ2IyZ3QNSXktVwtCU

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks