Overview

overview

10

Static

static

3

4df5cb4c4d...7N.exe

windows7-x64

10

4df5cb4c4d...7N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4df5cb4c4d5e090b3fe4aa7236db6cc2322c07394df6da4552c8e9c0199fcee7N.exe

  • Size

    296KB

  • Sample

    241207-1g731avnaz

  • MD5

    7c6ed124d3f8ddd0379fba40d6e1f090

  • SHA1

    1616bfca7fd27504ea5bc4308ac42c609086565c

  • SHA256

    4df5cb4c4d5e090b3fe4aa7236db6cc2322c07394df6da4552c8e9c0199fcee7

  • SHA512

    244cab82556e7d7f755dc8d5c1fa4dc6efc8e59d9fd4eafa5d4b2940668a2da5fff4dc9f7790263825f3631690d458a9602e56fed5872deffd7b9df59d929132

  • SSDEEP

    3072:dK/gRyeKIiYUBdtllARA1+6NhZ6P0c9fpxg6pg:0WDKDdhNPKG6g

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

      4df5cb4c4d5e090b3fe4aa7236db6cc2322c07394df6da4552c8e9c0199fcee7N.exe

    • Size

      296KB

    • MD5

      7c6ed124d3f8ddd0379fba40d6e1f090

    • SHA1

      1616bfca7fd27504ea5bc4308ac42c609086565c

    • SHA256

      4df5cb4c4d5e090b3fe4aa7236db6cc2322c07394df6da4552c8e9c0199fcee7

    • SHA512

      244cab82556e7d7f755dc8d5c1fa4dc6efc8e59d9fd4eafa5d4b2940668a2da5fff4dc9f7790263825f3631690d458a9602e56fed5872deffd7b9df59d929132

    • SSDEEP

      3072:dK/gRyeKIiYUBdtllARA1+6NhZ6P0c9fpxg6pg:0WDKDdhNPKG6g

    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