Overview

overview

10

Static

static

10

b5ce4502c2...b4.exe

windows7-x64

10

b5ce4502c2...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b5ce4502c2ea87cd531b0b2a5650c2cdf9af2312a849d593ea4aef50c3f6a2b4

  • Size

    109KB

  • Sample

    241223-ctdg6atqfw

  • MD5

    58152f066b99588c19ee8e227ed749be

  • SHA1

    badd30da9b37d7d6b52bace1d5383fae15dd25b1

  • SHA256

    b5ce4502c2ea87cd531b0b2a5650c2cdf9af2312a849d593ea4aef50c3f6a2b4

  • SHA512

    8af1639dfe224236d6f24b42a20ab4a05a09b8027b611c4e87b490ceed5db493abb15ec131373d94d7b04bfe67d2bac7eec1ff7e22e55a9a413caa6d0bb2b41a

  • SSDEEP

    3072:cuy6MK7yBGFGO0EdETNOK2J9dLCqwzBu1DjHLMVDqqkSpR:cf4yBG4ORdTJ9Nwtu1DjrFqhz

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

      b5ce4502c2ea87cd531b0b2a5650c2cdf9af2312a849d593ea4aef50c3f6a2b4

    • Size

      109KB

    • MD5

      58152f066b99588c19ee8e227ed749be

    • SHA1

      badd30da9b37d7d6b52bace1d5383fae15dd25b1

    • SHA256

      b5ce4502c2ea87cd531b0b2a5650c2cdf9af2312a849d593ea4aef50c3f6a2b4

    • SHA512

      8af1639dfe224236d6f24b42a20ab4a05a09b8027b611c4e87b490ceed5db493abb15ec131373d94d7b04bfe67d2bac7eec1ff7e22e55a9a413caa6d0bb2b41a

    • SSDEEP

      3072:cuy6MK7yBGFGO0EdETNOK2J9dLCqwzBu1DjHLMVDqqkSpR:cf4yBG4ORdTJ9Nwtu1DjrFqhz

    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