Overview

overview

10

Static

static

10

4a7f3f6e21...d2.exe

windows7-x64

10

4a7f3f6e21...d2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4a7f3f6e2192c53aad64d495d0b765de0874e96c6a9150c5f63b762e0ad864d2.exe

  • Size

    295KB

  • Sample

    241222-lea8xssngs

  • MD5

    72f17725ced685cb352d893885945513

  • SHA1

    4e9ac27158956d2b7d7eb260b7604e4db4ede948

  • SHA256

    4a7f3f6e2192c53aad64d495d0b765de0874e96c6a9150c5f63b762e0ad864d2

  • SHA512

    595d30771b867b5abad7d4ddc9dbc577e13db1d512ebdaccd02cb4be817e44a9d9f38003ea8456441e615d1e577f94077c7e0c0d31f409b806e860f8e47a2f9e

  • SSDEEP

    3072:fSyHn9KPuQW4nv44M23Q1UkY1UkVHe1rUtst76UtoUtFVgtRQ2c+tlB5xpWJLM7r:aydsuR52g1PY1PRe19V+tbFOLM77OLY

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

      4a7f3f6e2192c53aad64d495d0b765de0874e96c6a9150c5f63b762e0ad864d2.exe

    • Size

      295KB

    • MD5

      72f17725ced685cb352d893885945513

    • SHA1

      4e9ac27158956d2b7d7eb260b7604e4db4ede948

    • SHA256

      4a7f3f6e2192c53aad64d495d0b765de0874e96c6a9150c5f63b762e0ad864d2

    • SHA512

      595d30771b867b5abad7d4ddc9dbc577e13db1d512ebdaccd02cb4be817e44a9d9f38003ea8456441e615d1e577f94077c7e0c0d31f409b806e860f8e47a2f9e

    • SSDEEP

      3072:fSyHn9KPuQW4nv44M23Q1UkY1UkVHe1rUtst76UtoUtFVgtRQ2c+tlB5xpWJLM7r:aydsuR52g1PY1PRe19V+tbFOLM77OLY

    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