Overview

overview

10

Static

static

3

0a3c730355...59.exe

windows7-x64

10

0a3c730355...59.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0a3c7303551ce897a1adda620c1954a0af9048e75d5da48aba88c97f9d95c759

  • Size

    160KB

  • Sample

    241224-x5lywsvnfm

  • MD5

    8a66c4ef64515a8f9421ef8cc656e4e7

  • SHA1

    a7532c0f27af2f260fd9b470d0ad7e09eb8613bd

  • SHA256

    0a3c7303551ce897a1adda620c1954a0af9048e75d5da48aba88c97f9d95c759

  • SHA512

    482e2fd3eec0744ed7c11c53d3e119453188585e873fb8a91e5e53e9045068ca640e447177c600e9ad0f20a686eb6f47b63b4ccb484fa71249353832ea7391f3

  • SSDEEP

    3072:rfBIuWKocqWTXk5optfsv+lb+gb3a3+X13XRzrgHq/Wp+YmKfxgQdxvr:rZIuWrYTWifZdX7aOl3BzrUmKyIxT

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

      0a3c7303551ce897a1adda620c1954a0af9048e75d5da48aba88c97f9d95c759

    • Size

      160KB

    • MD5

      8a66c4ef64515a8f9421ef8cc656e4e7

    • SHA1

      a7532c0f27af2f260fd9b470d0ad7e09eb8613bd

    • SHA256

      0a3c7303551ce897a1adda620c1954a0af9048e75d5da48aba88c97f9d95c759

    • SHA512

      482e2fd3eec0744ed7c11c53d3e119453188585e873fb8a91e5e53e9045068ca640e447177c600e9ad0f20a686eb6f47b63b4ccb484fa71249353832ea7391f3

    • SSDEEP

      3072:rfBIuWKocqWTXk5optfsv+lb+gb3a3+X13XRzrgHq/Wp+YmKfxgQdxvr:rZIuWrYTWifZdX7aOl3BzrUmKyIxT

    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