Overview

overview

10

Static

static

3

040fc78e19...2b.exe

windows7-x64

10

040fc78e19...2b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    040fc78e19403e2e5ccbbe2ff9189043a4224289dff8de3f65738c90c1ea3f2b

  • Size

    144KB

  • Sample

    250306-x5h71awmy4

  • MD5

    125bf1e916c40b39df6bd5ff7d818273

  • SHA1

    bcb1284b4538c46c5d90114d85ee895a923ec03b

  • SHA256

    040fc78e19403e2e5ccbbe2ff9189043a4224289dff8de3f65738c90c1ea3f2b

  • SHA512

    1847d65216eefaaab5c1a2b47c0bee40126e9311f8818d9e4324e2689700b1eb300169eb59696a519ffbf45ad82cbb517ce3af1e1198e999c170f379ae4b746b

  • SSDEEP

    3072:4aP58Fh+wd5u6/5B7vLXYgdgHq/Wp+YmKfxgQdxvq:JQkk5fRBAgdUmKyIxi

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

      040fc78e19403e2e5ccbbe2ff9189043a4224289dff8de3f65738c90c1ea3f2b

    • Size

      144KB

    • MD5

      125bf1e916c40b39df6bd5ff7d818273

    • SHA1

      bcb1284b4538c46c5d90114d85ee895a923ec03b

    • SHA256

      040fc78e19403e2e5ccbbe2ff9189043a4224289dff8de3f65738c90c1ea3f2b

    • SHA512

      1847d65216eefaaab5c1a2b47c0bee40126e9311f8818d9e4324e2689700b1eb300169eb59696a519ffbf45ad82cbb517ce3af1e1198e999c170f379ae4b746b

    • SSDEEP

      3072:4aP58Fh+wd5u6/5B7vLXYgdgHq/Wp+YmKfxgQdxvq:JQkk5fRBAgdUmKyIxi

    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