Overview

overview

10

Static

static

3

4a71bdfa5f...5N.exe

windows7-x64

10

4a71bdfa5f...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4a71bdfa5f9c8d3b12ca0dd6faf898403b064a88ce834d54f54c466ee482dc75N.exe

  • Size

    1.9MB

  • Sample

    241130-f2zxxaypgm

  • MD5

    f4d0b078c88f134851e5511bf2a8aea0

  • SHA1

    0182be6f5aae62f5d8c5271c7724970f3f13f9f3

  • SHA256

    4a71bdfa5f9c8d3b12ca0dd6faf898403b064a88ce834d54f54c466ee482dc75

  • SHA512

    c8a6149066713ccc4f2194e75655f2af70a6923513abd405cc2a6378bb670978ace91219abc48c1558e691b7961a1792b6a21660e704f3e9f15395ad3e5bdb1e

  • SSDEEP

    24576:330xm0BmmvFimm0MTP7hm0BmmvFimm0klmm0BmmvFimm0MTP7hm0BmmvFimm0G:H0piLiMiLiz

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

      4a71bdfa5f9c8d3b12ca0dd6faf898403b064a88ce834d54f54c466ee482dc75N.exe

    • Size

      1.9MB

    • MD5

      f4d0b078c88f134851e5511bf2a8aea0

    • SHA1

      0182be6f5aae62f5d8c5271c7724970f3f13f9f3

    • SHA256

      4a71bdfa5f9c8d3b12ca0dd6faf898403b064a88ce834d54f54c466ee482dc75

    • SHA512

      c8a6149066713ccc4f2194e75655f2af70a6923513abd405cc2a6378bb670978ace91219abc48c1558e691b7961a1792b6a21660e704f3e9f15395ad3e5bdb1e

    • SSDEEP

      24576:330xm0BmmvFimm0MTP7hm0BmmvFimm0klmm0BmmvFimm0MTP7hm0BmmvFimm0G:H0piLiMiLiz

    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