Overview

overview

10

Static

static

3

c71e29eb3c...aN.exe

windows7-x64

10

c71e29eb3c...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c71e29eb3c92901cd9ba4fbdf2a23a0f70546983dc4d864f7bc88fc713e7bacaN

  • Size

    1.3MB

  • Sample

    240928-h8k4fawcjc

  • MD5

    7885d34551adc028136b27526a5f1ca0

  • SHA1

    713ff52d8ef3f9be91fdc8399a2d6b5be994b7ea

  • SHA256

    c71e29eb3c92901cd9ba4fbdf2a23a0f70546983dc4d864f7bc88fc713e7baca

  • SHA512

    bcfb1ef9b250c65bee076c02a614fec95ee45936fd568f9d92710032902bab8a881f78945eb7f880aa12028415b04c99268554cc8858cd781db37ef97e620785

  • SSDEEP

    6144:QVG39z/mE5ZCd8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymL2MT1d:QoxeBcWfVaw0HBHY8r8ABjMn

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

      c71e29eb3c92901cd9ba4fbdf2a23a0f70546983dc4d864f7bc88fc713e7bacaN

    • Size

      1.3MB

    • MD5

      7885d34551adc028136b27526a5f1ca0

    • SHA1

      713ff52d8ef3f9be91fdc8399a2d6b5be994b7ea

    • SHA256

      c71e29eb3c92901cd9ba4fbdf2a23a0f70546983dc4d864f7bc88fc713e7baca

    • SHA512

      bcfb1ef9b250c65bee076c02a614fec95ee45936fd568f9d92710032902bab8a881f78945eb7f880aa12028415b04c99268554cc8858cd781db37ef97e620785

    • SSDEEP

      6144:QVG39z/mE5ZCd8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymL2MT1d:QoxeBcWfVaw0HBHY8r8ABjMn

    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