Overview

overview

10

Static

static

3

ef7de73f62...bc.exe

windows7-x64

10

ef7de73f62...bc.exe

windows10-2004-x64

10

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General

  • Target

    ef7de73f62a49a7048ee081ee7393177955d7dd2e3d70034e9eb0da9bfaa24bc.exe

  • Size

    80KB

  • Sample

    241119-q2pr2swgjf

  • MD5

    5373fd88d19a9b3fd670b4bfd7fabb60

  • SHA1

    8457a6a2d43e8e9b09c30a5a8af6a270c5d94ef2

  • SHA256

    ef7de73f62a49a7048ee081ee7393177955d7dd2e3d70034e9eb0da9bfaa24bc

  • SHA512

    17891a1ab8f3389b72e11554abed390ec4f3e5867064ae05b95e59bef0a07cf65abf2d8720d14b25077c183528d41f27aaf3bcc3c1b3162bae0d0d7536102fe0

  • SSDEEP

    1536:jZt9HKY4pr7x+kNmlkh15l0p1tqvGwjOWusf4RFeJuqnhCf:jZLK917xVNmKwtvmBr4RFeJLCf

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

      ef7de73f62a49a7048ee081ee7393177955d7dd2e3d70034e9eb0da9bfaa24bc.exe

    • Size

      80KB

    • MD5

      5373fd88d19a9b3fd670b4bfd7fabb60

    • SHA1

      8457a6a2d43e8e9b09c30a5a8af6a270c5d94ef2

    • SHA256

      ef7de73f62a49a7048ee081ee7393177955d7dd2e3d70034e9eb0da9bfaa24bc

    • SHA512

      17891a1ab8f3389b72e11554abed390ec4f3e5867064ae05b95e59bef0a07cf65abf2d8720d14b25077c183528d41f27aaf3bcc3c1b3162bae0d0d7536102fe0

    • SSDEEP

      1536:jZt9HKY4pr7x+kNmlkh15l0p1tqvGwjOWusf4RFeJuqnhCf:jZLK917xVNmKwtvmBr4RFeJLCf

    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