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Overview

overview

10

Static

static

3

b4cfd80cb3...fN.exe

windows7-x64

10

b4cfd80cb3...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4cfd80cb3abd50114a0e8310fd00f9e1fba9364f462d804bf656dfc06b3c55fN.exe

  • Size

    1.3MB

  • Sample

    241208-ebkvma1ley

  • MD5

    dae2795d896ccad1e3b8e65dd83d2880

  • SHA1

    9a6d1a9666a3e5b89bebf589ee2901095ce59282

  • SHA256

    b4cfd80cb3abd50114a0e8310fd00f9e1fba9364f462d804bf656dfc06b3c55f

  • SHA512

    6505f5b2f1181ad050b8afc339c57fbf87cac1997e1bfa91d45a42a35c175ac82833ff30a34ee6b8e9ec8a341d6b00f7dadeb743f5b2c49c939530466767704f

  • SSDEEP

    24576:c65dcyN7a20R0v50+YNpsKv2EvZHp3oW:c6/cydazR0vKLXZ

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

      b4cfd80cb3abd50114a0e8310fd00f9e1fba9364f462d804bf656dfc06b3c55fN.exe

    • Size

      1.3MB

    • MD5

      dae2795d896ccad1e3b8e65dd83d2880

    • SHA1

      9a6d1a9666a3e5b89bebf589ee2901095ce59282

    • SHA256

      b4cfd80cb3abd50114a0e8310fd00f9e1fba9364f462d804bf656dfc06b3c55f

    • SHA512

      6505f5b2f1181ad050b8afc339c57fbf87cac1997e1bfa91d45a42a35c175ac82833ff30a34ee6b8e9ec8a341d6b00f7dadeb743f5b2c49c939530466767704f

    • SSDEEP

      24576:c65dcyN7a20R0v50+YNpsKv2EvZHp3oW:c6/cydazR0vKLXZ

    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