Overview

overview

10

Static

static

3

a55ac52722...43.exe

windows7-x64

10

a55ac52722...43.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a55ac5272239aa5041d39693749785510169bc003e9e26397271209f01600243

  • Size

    90KB

  • Sample

    250306-kfbqeavjv6

  • MD5

    6e7d5bc8757eb79ebd2a5c89cd5bf56e

  • SHA1

    f559b7ac5b6840ef854f3487ab27fbd4f4856aa8

  • SHA256

    a55ac5272239aa5041d39693749785510169bc003e9e26397271209f01600243

  • SHA512

    09959e5a97aa49fa819655046c1bfec2faeedbb26231935eb6e43fa49b8687b365484487fc0893076a7ecb9ec38c518f777f40cff0a384594136945f40b59096

  • SSDEEP

    1536:pzaK7FT96UMzL5lbm+ri8CKzFKuJc0gMVZpcl08Pwkpw0Orcf0PXEfOOQ/4BrGTn:s4FT9VMzllbDr7CKxKuKMVbU08P1w0Ov

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

      a55ac5272239aa5041d39693749785510169bc003e9e26397271209f01600243

    • Size

      90KB

    • MD5

      6e7d5bc8757eb79ebd2a5c89cd5bf56e

    • SHA1

      f559b7ac5b6840ef854f3487ab27fbd4f4856aa8

    • SHA256

      a55ac5272239aa5041d39693749785510169bc003e9e26397271209f01600243

    • SHA512

      09959e5a97aa49fa819655046c1bfec2faeedbb26231935eb6e43fa49b8687b365484487fc0893076a7ecb9ec38c518f777f40cff0a384594136945f40b59096

    • SSDEEP

      1536:pzaK7FT96UMzL5lbm+ri8CKzFKuJc0gMVZpcl08Pwkpw0Orcf0PXEfOOQ/4BrGTn:s4FT9VMzllbDr7CKxKuKMVbU08P1w0Ov

    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