Overview

overview

10

Static

static

3

61d85aec1b...c6.exe

windows7-x64

10

61d85aec1b...c6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    61d85aec1bab75f0cb432af1a4300d27e0ca29b62245e027f3006a370ed9e7c6

  • Size

    96KB

  • Sample

    250307-mla26szkz7

  • MD5

    a2c3905371b6e8f36f7efcdcec8363f3

  • SHA1

    7f0f84d2936440ebaf8ad2387b2bbebb29c7552b

  • SHA256

    61d85aec1bab75f0cb432af1a4300d27e0ca29b62245e027f3006a370ed9e7c6

  • SHA512

    5338f2625ef03c4723fae0cc75c0e171f345653dd9a5bdadf84e60f27fd9b90476ca6e03a965b599823743cd9499d7ca6b06bc3c50e081cdf4a1af824b548154

  • SSDEEP

    1536:H/me2Pm/qjKshgX0yf/k0RuCPvnOgGlYqMbxAkd73S408duV9jojTIvjrH:H/me2Pm/qWshgESM0dPvO7MbDdVJd69J

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

      61d85aec1bab75f0cb432af1a4300d27e0ca29b62245e027f3006a370ed9e7c6

    • Size

      96KB

    • MD5

      a2c3905371b6e8f36f7efcdcec8363f3

    • SHA1

      7f0f84d2936440ebaf8ad2387b2bbebb29c7552b

    • SHA256

      61d85aec1bab75f0cb432af1a4300d27e0ca29b62245e027f3006a370ed9e7c6

    • SHA512

      5338f2625ef03c4723fae0cc75c0e171f345653dd9a5bdadf84e60f27fd9b90476ca6e03a965b599823743cd9499d7ca6b06bc3c50e081cdf4a1af824b548154

    • SSDEEP

      1536:H/me2Pm/qjKshgX0yf/k0RuCPvnOgGlYqMbxAkd73S408duV9jojTIvjrH:H/me2Pm/qWshgESM0dPvO7MbDdVJd69J

    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