Overview

overview

10

Static

static

3

b7cb5f3de8...1N.exe

windows7-x64

10

b7cb5f3de8...1N.exe

windows10-2004-x64

10

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General

  • Target

    b7cb5f3de89da2ec651f43fd291fc864250f5f0e45040d2d1a3211d6247f89d1N

  • Size

    95KB

  • Sample

    241013-vg6bhsxcpg

  • MD5

    fc26cd25b3c6bafdb09fc84f6b4fa7b0

  • SHA1

    df608487b5ebb9deae1c8e8757f5b0d67d88aaa5

  • SHA256

    b7cb5f3de89da2ec651f43fd291fc864250f5f0e45040d2d1a3211d6247f89d1

  • SHA512

    c875b90bb1ed92f598332d42cabe74d7de29a40103ea5f6a70d22c6180b2b7f7059af4834dcf79a4fd1c7d281257c3993a8a69276c9752831136c1b24f4dd1f2

  • SSDEEP

    1536:Noyo1LMNdLJg1ZTwEoIrJgs80LYklHk5RQr6BRVRoRch1dROrwpOudRirVtFsrTO:+yYMUTwEFgs80NlH8eWBTWM1dQrTOwZX

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b7cb5f3de89da2ec651f43fd291fc864250f5f0e45040d2d1a3211d6247f89d1N

    • Size

      95KB

    • MD5

      fc26cd25b3c6bafdb09fc84f6b4fa7b0

    • SHA1

      df608487b5ebb9deae1c8e8757f5b0d67d88aaa5

    • SHA256

      b7cb5f3de89da2ec651f43fd291fc864250f5f0e45040d2d1a3211d6247f89d1

    • SHA512

      c875b90bb1ed92f598332d42cabe74d7de29a40103ea5f6a70d22c6180b2b7f7059af4834dcf79a4fd1c7d281257c3993a8a69276c9752831136c1b24f4dd1f2

    • SSDEEP

      1536:Noyo1LMNdLJg1ZTwEoIrJgs80LYklHk5RQr6BRVRoRch1dROrwpOudRirVtFsrTO:+yYMUTwEFgs80NlH8eWBTWM1dQrTOwZX

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks