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Overview

overview

10

Static

static

3

1bf62fde37...5N.exe

windows7-x64

10

1bf62fde37...5N.exe

windows10-2004-x64

10

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General

  • Target

    1bf62fde3714d3ff8ef88cc2d23b625b790acd28dd8f74799b951fdfe14ea605N

  • Size

    74KB

  • Sample

    241014-nvk46svala

  • MD5

    57ca7ce1d39f4949b89e7042b38faf60

  • SHA1

    86cff8825e1e6480c7c18307700c21586ccdb1b8

  • SHA256

    1bf62fde3714d3ff8ef88cc2d23b625b790acd28dd8f74799b951fdfe14ea605

  • SHA512

    59d5a285e30cb07bff8f37b2d338ce7a8f3c6981d7a218f6240893bdaed214dba0f1104b443bbbc3c6b1706cff3a06fce9288c525cf6ba0a4d84235e9f24df3d

  • SSDEEP

    1536:3Jdemom9o2K8G+3xKVXbZAFPC1jECEvZh/6ioqYLPUooM:36pOouNxKNFAx+jELxJ6ufRM

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

      1bf62fde3714d3ff8ef88cc2d23b625b790acd28dd8f74799b951fdfe14ea605N

    • Size

      74KB

    • MD5

      57ca7ce1d39f4949b89e7042b38faf60

    • SHA1

      86cff8825e1e6480c7c18307700c21586ccdb1b8

    • SHA256

      1bf62fde3714d3ff8ef88cc2d23b625b790acd28dd8f74799b951fdfe14ea605

    • SHA512

      59d5a285e30cb07bff8f37b2d338ce7a8f3c6981d7a218f6240893bdaed214dba0f1104b443bbbc3c6b1706cff3a06fce9288c525cf6ba0a4d84235e9f24df3d

    • SSDEEP

      1536:3Jdemom9o2K8G+3xKVXbZAFPC1jECEvZh/6ioqYLPUooM:36pOouNxKNFAx+jELxJ6ufRM

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks