Overview

overview

10

Static

static

10

3f4901be02...fN.exe

windows7-x64

10

3f4901be02...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3f4901be02ec26acd525c7642eeb1fe403637e78fc9ecb2a1271f675dfa2cacfN.exe

  • Size

    123KB

  • Sample

    241119-rbgt7axepk

  • MD5

    75a6722244c761c981e9ab30999ee710

  • SHA1

    5f73eb68d96aa6dc2acded525b16d7b55b27ab0e

  • SHA256

    3f4901be02ec26acd525c7642eeb1fe403637e78fc9ecb2a1271f675dfa2cacf

  • SHA512

    54956d7da875214a67cee68e51cdc7e8806f7014ade7e25152b7b2dd039a75a425d9cf464201524d9492d2d677c9bcc113c13d796b0168776bd14a1c32e4aff6

  • SSDEEP

    3072:jY9Fg5qR8bjicXd8LCZI43YURYSa9rR85DEn5k7r8:j5qRUicN8LCu4IU4rQD85k/8

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

      3f4901be02ec26acd525c7642eeb1fe403637e78fc9ecb2a1271f675dfa2cacfN.exe

    • Size

      123KB

    • MD5

      75a6722244c761c981e9ab30999ee710

    • SHA1

      5f73eb68d96aa6dc2acded525b16d7b55b27ab0e

    • SHA256

      3f4901be02ec26acd525c7642eeb1fe403637e78fc9ecb2a1271f675dfa2cacf

    • SHA512

      54956d7da875214a67cee68e51cdc7e8806f7014ade7e25152b7b2dd039a75a425d9cf464201524d9492d2d677c9bcc113c13d796b0168776bd14a1c32e4aff6

    • SSDEEP

      3072:jY9Fg5qR8bjicXd8LCZI43YURYSa9rR85DEn5k7r8:j5qRUicN8LCu4IU4rQD85k/8

    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