Overview

overview

10

Static

static

3

226b86c8ca...10.exe

windows7-x64

10

226b86c8ca...10.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    226b86c8ca38734d93bb8b037e3586ca3f99e22b356633d4a67f73c3ceda9510.exe

  • Size

    374KB

  • Sample

    241120-dwjydsvjej

  • MD5

    255854471be72f9bb52e8c978568b32a

  • SHA1

    3fe7a47938a8e8cc632b697856b1bce808cf81e7

  • SHA256

    226b86c8ca38734d93bb8b037e3586ca3f99e22b356633d4a67f73c3ceda9510

  • SHA512

    49250085af29aa2fd821ef46a55ca31203fc3261de6d7b574cc41b0ec159140f60b572441c14985158f4a4517f8bb80c7624b66ee331aadbf993e330dfa89e6c

  • SSDEEP

    6144:DTZK55BF4uc2+Eu6QnFw5+0pU8oStTf3runG/qoxfIkeI1SHkF63lngMBdkw8ZF5:/ZKD4u/E6uidyzwr6AxfLeI1Su63lgMY

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

      226b86c8ca38734d93bb8b037e3586ca3f99e22b356633d4a67f73c3ceda9510.exe

    • Size

      374KB

    • MD5

      255854471be72f9bb52e8c978568b32a

    • SHA1

      3fe7a47938a8e8cc632b697856b1bce808cf81e7

    • SHA256

      226b86c8ca38734d93bb8b037e3586ca3f99e22b356633d4a67f73c3ceda9510

    • SHA512

      49250085af29aa2fd821ef46a55ca31203fc3261de6d7b574cc41b0ec159140f60b572441c14985158f4a4517f8bb80c7624b66ee331aadbf993e330dfa89e6c

    • SSDEEP

      6144:DTZK55BF4uc2+Eu6QnFw5+0pU8oStTf3runG/qoxfIkeI1SHkF63lngMBdkw8ZF5:/ZKD4u/E6uidyzwr6AxfLeI1Su63lgMY

    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