Overview

overview

10

Static

static

3

2488e0cc98...cd.exe

windows7-x64

10

2488e0cc98...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2488e0cc98cd42f8512c65bdcaa158e6d32a4a214b0add2bceea2c870781fccd

  • Size

    144KB

  • Sample

    250305-1r76razwd1

  • MD5

    a5b5e0a64cab636a821ac03cbbdc0623

  • SHA1

    fc090064c8d0d1299b000a4c0b86f15032d77514

  • SHA256

    2488e0cc98cd42f8512c65bdcaa158e6d32a4a214b0add2bceea2c870781fccd

  • SHA512

    8938fd5f3bf8e16bfd1048d0a3f7a77c819d4d8cb800bd9dac6cb3f0a3e9d5070bd28b4cd04c8fafc63985cf61cded31214f4c0a9077f73c321d654b45756272

  • SSDEEP

    3072:XlGHQ5RbQZqAV9hDpgsgHq/Wp+YmKfxgQdxvq:XcHQopV91pgsUmKyIxi

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

      2488e0cc98cd42f8512c65bdcaa158e6d32a4a214b0add2bceea2c870781fccd

    • Size

      144KB

    • MD5

      a5b5e0a64cab636a821ac03cbbdc0623

    • SHA1

      fc090064c8d0d1299b000a4c0b86f15032d77514

    • SHA256

      2488e0cc98cd42f8512c65bdcaa158e6d32a4a214b0add2bceea2c870781fccd

    • SHA512

      8938fd5f3bf8e16bfd1048d0a3f7a77c819d4d8cb800bd9dac6cb3f0a3e9d5070bd28b4cd04c8fafc63985cf61cded31214f4c0a9077f73c321d654b45756272

    • SSDEEP

      3072:XlGHQ5RbQZqAV9hDpgsgHq/Wp+YmKfxgQdxvq:XcHQopV91pgsUmKyIxi

    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