Overview

overview

10

Static

static

3

aeb15b7afd...4b.exe

windows7-x64

10

aeb15b7afd...4b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aeb15b7afda8ba9951434533fc1daf4ea59de3e98a4169c7b730f3259b69624b

  • Size

    136KB

  • Sample

    241120-cxxefaylav

  • MD5

    48ddcf1acf04094de68f4ce8a863b007

  • SHA1

    71fb1eef878328fc2f8f98ae3a0e57d9aaed3fb4

  • SHA256

    aeb15b7afda8ba9951434533fc1daf4ea59de3e98a4169c7b730f3259b69624b

  • SHA512

    0ab7bb70e835ba7701c802044db8d38b6e25c65202d8511b227b494881dc5369f6ad98deeca165d6d4fc16d263b344f49054081c72e620dfaf6b2f51c24e1161

  • SSDEEP

    1536:4eyLQOFt0WnhfLH5O4cpVw/jz0cZ44mjD9r823FQ75/DtXh:4exKt0Whj5eVwsi/mjRrz3OT

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

      aeb15b7afda8ba9951434533fc1daf4ea59de3e98a4169c7b730f3259b69624b

    • Size

      136KB

    • MD5

      48ddcf1acf04094de68f4ce8a863b007

    • SHA1

      71fb1eef878328fc2f8f98ae3a0e57d9aaed3fb4

    • SHA256

      aeb15b7afda8ba9951434533fc1daf4ea59de3e98a4169c7b730f3259b69624b

    • SHA512

      0ab7bb70e835ba7701c802044db8d38b6e25c65202d8511b227b494881dc5369f6ad98deeca165d6d4fc16d263b344f49054081c72e620dfaf6b2f51c24e1161

    • SSDEEP

      1536:4eyLQOFt0WnhfLH5O4cpVw/jz0cZ44mjD9r823FQ75/DtXh:4exKt0Whj5eVwsi/mjRrz3OT

    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