Overview

overview

10

Static

static

10

b71d195d33...e0.exe

windows7-x64

10

b71d195d33...e0.exe

windows10-2004-x64

10

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General

  • Target

    b71d195d331fe45c7d239ef7557da183341ada09d758016865a7f75754a163e0

  • Size

    520KB

  • Sample

    241209-cwtxxssrfm

  • MD5

    e4043516bfcd850f5a431dac111201ac

  • SHA1

    2f7cb35d567d928b14edd95789043039678fbdc3

  • SHA256

    b71d195d331fe45c7d239ef7557da183341ada09d758016865a7f75754a163e0

  • SHA512

    4f046bab24d7164c8abdb2d11e0690e1a308e082b0a0938b15198e2bc817d545ffa2a33b5b96c055dda4e34a0dba37f4d06699b318d2c5b06b0e6d3db4191e62

  • SSDEEP

    6144:UoWuciHVbkFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcP:UoWufoFB24lwR45FB24lJ87g7/VycgEX

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b71d195d331fe45c7d239ef7557da183341ada09d758016865a7f75754a163e0

    • Size

      520KB

    • MD5

      e4043516bfcd850f5a431dac111201ac

    • SHA1

      2f7cb35d567d928b14edd95789043039678fbdc3

    • SHA256

      b71d195d331fe45c7d239ef7557da183341ada09d758016865a7f75754a163e0

    • SHA512

      4f046bab24d7164c8abdb2d11e0690e1a308e082b0a0938b15198e2bc817d545ffa2a33b5b96c055dda4e34a0dba37f4d06699b318d2c5b06b0e6d3db4191e62

    • SSDEEP

      6144:UoWuciHVbkFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcP:UoWufoFB24lwR45FB24lJ87g7/VycgEX

    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