Overview

overview

10

Static

static

10

fd4407c9f5...3N.exe

windows7-x64

10

fd4407c9f5...3N.exe

windows10-2004-x64

10

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General

  • Target

    fd4407c9f5eee38020670b4d64db29f32f283369deecc25e3cb6e3469931f973N.exe

  • Size

    520KB

  • Sample

    241208-elkbva1qfz

  • MD5

    fab931d374b6d94225044b207e62e610

  • SHA1

    b80cfd3f8642c5f5e09acd4bcd9f6e3e981bd722

  • SHA256

    fd4407c9f5eee38020670b4d64db29f32f283369deecc25e3cb6e3469931f973

  • SHA512

    c2f79b2fee66925e222c68768d0c0dc48789d78d9466131cb99e05ba703e43fe37800e87f63647ef3b09d94e624bfaaa9de9df9025150b75c6b1e58f42d1c497

  • SSDEEP

    6144:q4IfxUhh2HFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8Jc/:k2mFB24lwR45FB24lJ87g7/VycgEH

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

      fd4407c9f5eee38020670b4d64db29f32f283369deecc25e3cb6e3469931f973N.exe

    • Size

      520KB

    • MD5

      fab931d374b6d94225044b207e62e610

    • SHA1

      b80cfd3f8642c5f5e09acd4bcd9f6e3e981bd722

    • SHA256

      fd4407c9f5eee38020670b4d64db29f32f283369deecc25e3cb6e3469931f973

    • SHA512

      c2f79b2fee66925e222c68768d0c0dc48789d78d9466131cb99e05ba703e43fe37800e87f63647ef3b09d94e624bfaaa9de9df9025150b75c6b1e58f42d1c497

    • SSDEEP

      6144:q4IfxUhh2HFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8Jc/:k2mFB24lwR45FB24lJ87g7/VycgEH

    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