Overview

overview

10

Static

static

3

f1b2f2bf4b...7a.exe

windows7-x64

10

f1b2f2bf4b...7a.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f1b2f2bf4b64addf3c93e6540c6d4769ab48bcf4748a5dd5ed157658108b5a7a

  • Size

    90KB

  • Sample

    241225-eqgfraxmdw

  • MD5

    4919326ea26807c83732fcd7e649b1b5

  • SHA1

    c62a29adef498be9b7d979079ca864674d17ceb0

  • SHA256

    f1b2f2bf4b64addf3c93e6540c6d4769ab48bcf4748a5dd5ed157658108b5a7a

  • SHA512

    f299ac9ddfed82754362920e63479143033f167cf84b1d83bd7f0d936c327d3db483c69086c425ca7e6b0ed20755e6593a6cf5b794b2691bd901e945a10e82ab

  • SSDEEP

    1536:nfEln7IJpEOkRkrVr6mCvLDXLI8DCmvG4u/Ub0VkVN6:fEajklbjhG4u/Ub0+N6

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

      f1b2f2bf4b64addf3c93e6540c6d4769ab48bcf4748a5dd5ed157658108b5a7a

    • Size

      90KB

    • MD5

      4919326ea26807c83732fcd7e649b1b5

    • SHA1

      c62a29adef498be9b7d979079ca864674d17ceb0

    • SHA256

      f1b2f2bf4b64addf3c93e6540c6d4769ab48bcf4748a5dd5ed157658108b5a7a

    • SHA512

      f299ac9ddfed82754362920e63479143033f167cf84b1d83bd7f0d936c327d3db483c69086c425ca7e6b0ed20755e6593a6cf5b794b2691bd901e945a10e82ab

    • SSDEEP

      1536:nfEln7IJpEOkRkrVr6mCvLDXLI8DCmvG4u/Ub0VkVN6:fEajklbjhG4u/Ub0+N6

    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