Overview

overview

10

Static

static

3

cf7bfd3309...a2.exe

windows7-x64

10

cf7bfd3309...a2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf7bfd3309eacd74260215f69ce833cf11e25462e0eb81cc4c0048b5db6bc6a2

  • Size

    99KB

  • Sample

    241015-fm5jvawejf

  • MD5

    ff2324b99daed1cac672bb66dd7e95f2

  • SHA1

    04acba79e026460ba5976176ff85828135bdeefc

  • SHA256

    cf7bfd3309eacd74260215f69ce833cf11e25462e0eb81cc4c0048b5db6bc6a2

  • SHA512

    ce06c7f1ebdef73e3f7b2a898fd2a7b282d5d1f2d5e0b4909d9770a2eca519e05a80976af5b39d93da0c821956a076b6ecf498b7a41b9234d251bbdaa83262e6

  • SSDEEP

    3072:ffxKyL2cWLiepsiNaEEB5KynCsPZucA+pXSGgb3a3+X13XRzG:fZKy6pLX1arBzP0cAUS/7aOl3BzG

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

      cf7bfd3309eacd74260215f69ce833cf11e25462e0eb81cc4c0048b5db6bc6a2

    • Size

      99KB

    • MD5

      ff2324b99daed1cac672bb66dd7e95f2

    • SHA1

      04acba79e026460ba5976176ff85828135bdeefc

    • SHA256

      cf7bfd3309eacd74260215f69ce833cf11e25462e0eb81cc4c0048b5db6bc6a2

    • SHA512

      ce06c7f1ebdef73e3f7b2a898fd2a7b282d5d1f2d5e0b4909d9770a2eca519e05a80976af5b39d93da0c821956a076b6ecf498b7a41b9234d251bbdaa83262e6

    • SSDEEP

      3072:ffxKyL2cWLiepsiNaEEB5KynCsPZucA+pXSGgb3a3+X13XRzG:fZKy6pLX1arBzP0cAUS/7aOl3BzG

    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