Overview

overview

10

Static

static

3

808f6c3e81...cN.exe

windows7-x64

10

808f6c3e81...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    808f6c3e81bfef5e7fdc15049c0b1063904551431a7fd6cbed0b4ef52779d92cN.exe

  • Size

    390KB

  • Sample

    241222-rn92ha1kfw

  • MD5

    b190b4aa4d684788c82734d316479620

  • SHA1

    923d18869b385fa5eef4714e3f4bda33163c8e7a

  • SHA256

    808f6c3e81bfef5e7fdc15049c0b1063904551431a7fd6cbed0b4ef52779d92c

  • SHA512

    2ab842e13c56708c9bd8998c0f6f4346d68c08534102b39cec8e703d3af2c4ea2a0c7c35996ad7bfb7850c650dadbc03ac2cb416700aa09f4d5f3a2b7438db65

  • SSDEEP

    6144:qW0X2MLjyM66b+X0RjtdgOPAUvgkNRgdgOPAUvgkG:qWRqjYUngEiM2gEif

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

      808f6c3e81bfef5e7fdc15049c0b1063904551431a7fd6cbed0b4ef52779d92cN.exe

    • Size

      390KB

    • MD5

      b190b4aa4d684788c82734d316479620

    • SHA1

      923d18869b385fa5eef4714e3f4bda33163c8e7a

    • SHA256

      808f6c3e81bfef5e7fdc15049c0b1063904551431a7fd6cbed0b4ef52779d92c

    • SHA512

      2ab842e13c56708c9bd8998c0f6f4346d68c08534102b39cec8e703d3af2c4ea2a0c7c35996ad7bfb7850c650dadbc03ac2cb416700aa09f4d5f3a2b7438db65

    • SSDEEP

      6144:qW0X2MLjyM66b+X0RjtdgOPAUvgkNRgdgOPAUvgkG:qWRqjYUngEiM2gEif

    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