Overview

overview

10

Static

static

3

635f4d530f...cN.exe

windows7-x64

10

635f4d530f...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    635f4d530f04557c62677c1291b08d459989a1cee6af1ad3b50e392e6fd821bcN.exe

  • Size

    74KB

  • Sample

    241207-2tesnaykbw

  • MD5

    b12a0740b5e3821518fa44124eb875a0

  • SHA1

    26303853c32512c29d98e6363d21c83de1725ca4

  • SHA256

    635f4d530f04557c62677c1291b08d459989a1cee6af1ad3b50e392e6fd821bc

  • SHA512

    c9c21548226303779a4ba5e754f4ffb3e4f3d52fd86498e3b9fc334ad248f02b0bfceda2f88144295d37198b2563102bd1122ecb3f3da7060b8ad69aea5f6a75

  • SSDEEP

    1536:h6+69QiBZOaQ/aRPfMcp+nXe4DpPI5rGzrfAnNW:hR69Eel415kYEN

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

      635f4d530f04557c62677c1291b08d459989a1cee6af1ad3b50e392e6fd821bcN.exe

    • Size

      74KB

    • MD5

      b12a0740b5e3821518fa44124eb875a0

    • SHA1

      26303853c32512c29d98e6363d21c83de1725ca4

    • SHA256

      635f4d530f04557c62677c1291b08d459989a1cee6af1ad3b50e392e6fd821bc

    • SHA512

      c9c21548226303779a4ba5e754f4ffb3e4f3d52fd86498e3b9fc334ad248f02b0bfceda2f88144295d37198b2563102bd1122ecb3f3da7060b8ad69aea5f6a75

    • SSDEEP

      1536:h6+69QiBZOaQ/aRPfMcp+nXe4DpPI5rGzrfAnNW:hR69Eel415kYEN

    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