Overview

overview

10

Static

static

3

f3cea5d1ff...15.exe

windows7-x64

10

f3cea5d1ff...15.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3cea5d1ff3ffc595f829fa480e4d46021cce0ff430ffbffdffa63f435cf9c15

  • Size

    89KB

  • Sample

    250306-r6kvbs1qx6

  • MD5

    9b4a4d9c4872f05f750b4d63d24d86bd

  • SHA1

    5fc6091c403c996fef242628b7bd6a3ec659c97e

  • SHA256

    f3cea5d1ff3ffc595f829fa480e4d46021cce0ff430ffbffdffa63f435cf9c15

  • SHA512

    5d9de5d9b67720d746e6f081c88cc60cf421c5adb3b8a9f1895c1ff960f8f357d56c19a02db593ff5def102a43ae01250ff62b5df9fc54eee80e042b9bc51406

  • SSDEEP

    1536:/izwn5hHpjtSfcmUhV2iSpOAexRCDccccccccccccccccccccccccccccccccrcB:/Gw5hH4UhVMgAexynWcdlakgwk

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

      f3cea5d1ff3ffc595f829fa480e4d46021cce0ff430ffbffdffa63f435cf9c15

    • Size

      89KB

    • MD5

      9b4a4d9c4872f05f750b4d63d24d86bd

    • SHA1

      5fc6091c403c996fef242628b7bd6a3ec659c97e

    • SHA256

      f3cea5d1ff3ffc595f829fa480e4d46021cce0ff430ffbffdffa63f435cf9c15

    • SHA512

      5d9de5d9b67720d746e6f081c88cc60cf421c5adb3b8a9f1895c1ff960f8f357d56c19a02db593ff5def102a43ae01250ff62b5df9fc54eee80e042b9bc51406

    • SSDEEP

      1536:/izwn5hHpjtSfcmUhV2iSpOAexRCDccccccccccccccccccccccccccccccccrcB:/Gw5hH4UhVMgAexynWcdlakgwk

    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