Overview

overview

10

Static

static

3

f54034b8c0...ac.exe

windows7-x64

10

f54034b8c0...ac.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f54034b8c0a02a2fe1c2abca7136b914411d7ee32a1356453b2dfb5dfb58c9ac

  • Size

    384KB

  • Sample

    240929-e4frdazejn

  • MD5

    a4f88196b532da4de4272e6655801e6b

  • SHA1

    d3ecb6454134afabf701fd1e15497d6a62b32b8b

  • SHA256

    f54034b8c0a02a2fe1c2abca7136b914411d7ee32a1356453b2dfb5dfb58c9ac

  • SHA512

    111b0cebaea5aeb451b0e36295a5671e751be27c929c4533c30376e9b44bb39fccc8dd73f6834bede02b7cf03a71743dc334f387c738ab68306fd75cf253bb5d

  • SSDEEP

    6144:phSBZB5njQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwHlGrh/tObp:pIr/+zrWAI5KFum/+zrWAIAqWimp

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

      f54034b8c0a02a2fe1c2abca7136b914411d7ee32a1356453b2dfb5dfb58c9ac

    • Size

      384KB

    • MD5

      a4f88196b532da4de4272e6655801e6b

    • SHA1

      d3ecb6454134afabf701fd1e15497d6a62b32b8b

    • SHA256

      f54034b8c0a02a2fe1c2abca7136b914411d7ee32a1356453b2dfb5dfb58c9ac

    • SHA512

      111b0cebaea5aeb451b0e36295a5671e751be27c929c4533c30376e9b44bb39fccc8dd73f6834bede02b7cf03a71743dc334f387c738ab68306fd75cf253bb5d

    • SSDEEP

      6144:phSBZB5njQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwHlGrh/tObp:pIr/+zrWAI5KFum/+zrWAIAqWimp

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks