Overview

overview

10

Static

static

3

bc1a1fc0de...31.exe

windows7-x64

10

bc1a1fc0de...31.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bc1a1fc0deed46a058c145fa1ffd05f341bc07b257c2c69d6ee6eb27bbd86231.exe

  • Size

    320KB

  • Sample

    241209-qg7r5ayldz

  • MD5

    e59c1c2039b87847169bc5362f5e9bd5

  • SHA1

    057ecec712fe4172eac7bc06a0b8d8ca7d5fa83c

  • SHA256

    bc1a1fc0deed46a058c145fa1ffd05f341bc07b257c2c69d6ee6eb27bbd86231

  • SHA512

    8589cb6d27f7bad6a5dad3fb876620b535ffe4c2b8b61644f5eb2d2662267ad54f4723c5149402a6cf9ec11a9e54fc5fc884c13891c24a95b5152c3d22b112b0

  • SSDEEP

    3072:NavLDZqSbxwJEOy16i3zGYJpD9r8XxrYnQg4sIgQxzjGG1wsKmOH6ipNik0e:kISbxwJEUiDGyZ6YugQdjGG1wsKm06D4

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

      bc1a1fc0deed46a058c145fa1ffd05f341bc07b257c2c69d6ee6eb27bbd86231.exe

    • Size

      320KB

    • MD5

      e59c1c2039b87847169bc5362f5e9bd5

    • SHA1

      057ecec712fe4172eac7bc06a0b8d8ca7d5fa83c

    • SHA256

      bc1a1fc0deed46a058c145fa1ffd05f341bc07b257c2c69d6ee6eb27bbd86231

    • SHA512

      8589cb6d27f7bad6a5dad3fb876620b535ffe4c2b8b61644f5eb2d2662267ad54f4723c5149402a6cf9ec11a9e54fc5fc884c13891c24a95b5152c3d22b112b0

    • SSDEEP

      3072:NavLDZqSbxwJEOy16i3zGYJpD9r8XxrYnQg4sIgQxzjGG1wsKmOH6ipNik0e:kISbxwJEUiDGyZ6YugQdjGG1wsKm06D4

    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