Overview

overview

10

Static

static

3

6fc4b8bffc...9e.exe

windows7-x64

10

6fc4b8bffc...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6fc4b8bffc9553dedbc669ed12afa4afc183c9b149460016be4d199fba048e9e

  • Size

    93KB

  • Sample

    250307-rxhcvasly3

  • MD5

    c74dcd3ce49e458799498197228b7e7f

  • SHA1

    800ecebc71850b5f1a2abf0bbcc4af584082866d

  • SHA256

    6fc4b8bffc9553dedbc669ed12afa4afc183c9b149460016be4d199fba048e9e

  • SHA512

    4117635ce6dad48f867f1e8e616aca75f2e7b20b4189a1711687e5612ef09c3ca741aa37ec0eb05eb2d1cefebc1f551cb840fc0919ae5a659ddddf74b8a9781e

  • SSDEEP

    1536:kELY4mnpKhVMcGCq7IdrQBeOJA8FGkLwLAM636uMSm257saMiwihtIbbpkp:CKhyNCq8NQYyMhl63MY57dMiwaIbbpkp

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

      6fc4b8bffc9553dedbc669ed12afa4afc183c9b149460016be4d199fba048e9e

    • Size

      93KB

    • MD5

      c74dcd3ce49e458799498197228b7e7f

    • SHA1

      800ecebc71850b5f1a2abf0bbcc4af584082866d

    • SHA256

      6fc4b8bffc9553dedbc669ed12afa4afc183c9b149460016be4d199fba048e9e

    • SHA512

      4117635ce6dad48f867f1e8e616aca75f2e7b20b4189a1711687e5612ef09c3ca741aa37ec0eb05eb2d1cefebc1f551cb840fc0919ae5a659ddddf74b8a9781e

    • SSDEEP

      1536:kELY4mnpKhVMcGCq7IdrQBeOJA8FGkLwLAM636uMSm257saMiwihtIbbpkp:CKhyNCq8NQYyMhl63MY57dMiwaIbbpkp

    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