Overview

overview

10

Static

static

3

dc5b722927...e0.exe

windows7-x64

10

dc5b722927...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dc5b7229276dc7d2e578aa7affcc2d8a5f225b953c4299c63729ad0be80996e0

  • Size

    80KB

  • Sample

    250306-p2x8rayvgs

  • MD5

    289081759b06a12a24118888bc8bc824

  • SHA1

    b8103abe7d75a1238ea0d790e7e4dfc5ff77ae61

  • SHA256

    dc5b7229276dc7d2e578aa7affcc2d8a5f225b953c4299c63729ad0be80996e0

  • SHA512

    abc8d5d5e20616da0c95a0223ff7ab57b76ad9b10e112879a95f3c0b8d2030d4b9d72e5fe45d08a0d941a7f9bdb1bec71824ff40d9b39a0895fb179902d9c038

  • SSDEEP

    1536:TQBjfjBCQeXDE/sycDh9g1gYK6OPQqADMwCuEXc0PcU8ec12ELFeJuqnhCN:Ut9eXOsyCoaPce8LFeJLCN

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

      dc5b7229276dc7d2e578aa7affcc2d8a5f225b953c4299c63729ad0be80996e0

    • Size

      80KB

    • MD5

      289081759b06a12a24118888bc8bc824

    • SHA1

      b8103abe7d75a1238ea0d790e7e4dfc5ff77ae61

    • SHA256

      dc5b7229276dc7d2e578aa7affcc2d8a5f225b953c4299c63729ad0be80996e0

    • SHA512

      abc8d5d5e20616da0c95a0223ff7ab57b76ad9b10e112879a95f3c0b8d2030d4b9d72e5fe45d08a0d941a7f9bdb1bec71824ff40d9b39a0895fb179902d9c038

    • SSDEEP

      1536:TQBjfjBCQeXDE/sycDh9g1gYK6OPQqADMwCuEXc0PcU8ec12ELFeJuqnhCN:Ut9eXOsyCoaPce8LFeJLCN

    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