Overview

overview

10

Static

static

3

8efb3412e5...6a.exe

windows7-x64

10

8efb3412e5...6a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8efb3412e55cc2d0f4431f29e09cd2060feea040734b6468fcb65ae259f1916a

  • Size

    92KB

  • Sample

    250306-hmrn4a1yft

  • MD5

    42f59af3354e983d8a445d05b64333ae

  • SHA1

    821044a1e7a30c861412e63d53fae23319fdd5c3

  • SHA256

    8efb3412e55cc2d0f4431f29e09cd2060feea040734b6468fcb65ae259f1916a

  • SHA512

    adb936566a8c0785ea3bc7fe1ca77c366597be65f3b983f6852d84176aa21349651514693ee58dfb73ad8f52b808a31c2d2a4b480434d1d80b1673ceb5fe9677

  • SSDEEP

    1536:JwlIntv9qIb1E/Q3p3fMoOan7vRZS/nhneneu8WqWBleN3imnunGP+C:JkInvqYioNfM3adZenheHbBAVbe4+C

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

      8efb3412e55cc2d0f4431f29e09cd2060feea040734b6468fcb65ae259f1916a

    • Size

      92KB

    • MD5

      42f59af3354e983d8a445d05b64333ae

    • SHA1

      821044a1e7a30c861412e63d53fae23319fdd5c3

    • SHA256

      8efb3412e55cc2d0f4431f29e09cd2060feea040734b6468fcb65ae259f1916a

    • SHA512

      adb936566a8c0785ea3bc7fe1ca77c366597be65f3b983f6852d84176aa21349651514693ee58dfb73ad8f52b808a31c2d2a4b480434d1d80b1673ceb5fe9677

    • SSDEEP

      1536:JwlIntv9qIb1E/Q3p3fMoOan7vRZS/nhneneu8WqWBleN3imnunGP+C:JkInvqYioNfM3adZenheHbBAVbe4+C

    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