Overview

overview

10

Static

static

3

1a2eb5a639...b6.exe

windows7-x64

10

1a2eb5a639...b6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1a2eb5a639bf0fba4847ed7ce9c65ffee32e4309b38919f23d4a2ed10d07bab6

  • Size

    93KB

  • Sample

    250305-zystzazjz3

  • MD5

    50678fe2712a12a55303ef2cf07790ad

  • SHA1

    8a891d231926f82db0db2efa6b6a56d157fa7511

  • SHA256

    1a2eb5a639bf0fba4847ed7ce9c65ffee32e4309b38919f23d4a2ed10d07bab6

  • SHA512

    fb48454c1c0f920df9cab12ff649a191b3f724c8e18d2ae6e0090c4c45b7ff200af0015d09ec21913ccae48a9094f63d8c453e9277cdccb1bbf1039466a4b36b

  • SSDEEP

    1536:ZqD8YBBCax3ZUGQ6nn2fAKQTcESyC7d85/FCMEjz7wzL9TuTFtjiwg58:vYBBCavTQ6nwHQgEyeFC1rA9S5lY58

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

      1a2eb5a639bf0fba4847ed7ce9c65ffee32e4309b38919f23d4a2ed10d07bab6

    • Size

      93KB

    • MD5

      50678fe2712a12a55303ef2cf07790ad

    • SHA1

      8a891d231926f82db0db2efa6b6a56d157fa7511

    • SHA256

      1a2eb5a639bf0fba4847ed7ce9c65ffee32e4309b38919f23d4a2ed10d07bab6

    • SHA512

      fb48454c1c0f920df9cab12ff649a191b3f724c8e18d2ae6e0090c4c45b7ff200af0015d09ec21913ccae48a9094f63d8c453e9277cdccb1bbf1039466a4b36b

    • SSDEEP

      1536:ZqD8YBBCax3ZUGQ6nn2fAKQTcESyC7d85/FCMEjz7wzL9TuTFtjiwg58:vYBBCavTQ6nwHQgEyeFC1rA9S5lY58

    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