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Overview

overview

10

Static

static

3

c89e8d6c89...03.exe

windows7-x64

10

c89e8d6c89...03.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c89e8d6c891469142709dfa5a91e560cd1e0be76d154fc7b19948620d2481903

  • Size

    1.1MB

  • Sample

    250305-lfbwvavqx9

  • MD5

    ac56663b833689499b280a6703fb710c

  • SHA1

    544f30ec9e57ea909d4912a220236ec8e8b555dd

  • SHA256

    c89e8d6c891469142709dfa5a91e560cd1e0be76d154fc7b19948620d2481903

  • SHA512

    9050d680436c65791a8eea639781f81ee1944d3e8f62edefbcacba2c5709e041da570806b8b1ea34ce9b5130387dadc1ec9532cca499794088cdcd9d9c522a95

  • SSDEEP

    24576:dzgu5YyCtCCm0BmmvFimm0wh2kkkkK4kXkkkkkkkkhLX3a20R0y:Jgu5RCtCmi7bazR0y

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

      c89e8d6c891469142709dfa5a91e560cd1e0be76d154fc7b19948620d2481903

    • Size

      1.1MB

    • MD5

      ac56663b833689499b280a6703fb710c

    • SHA1

      544f30ec9e57ea909d4912a220236ec8e8b555dd

    • SHA256

      c89e8d6c891469142709dfa5a91e560cd1e0be76d154fc7b19948620d2481903

    • SHA512

      9050d680436c65791a8eea639781f81ee1944d3e8f62edefbcacba2c5709e041da570806b8b1ea34ce9b5130387dadc1ec9532cca499794088cdcd9d9c522a95

    • SSDEEP

      24576:dzgu5YyCtCCm0BmmvFimm0wh2kkkkK4kXkkkkkkkkhLX3a20R0y:Jgu5RCtCmi7bazR0y

    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