Overview

overview

10

Static

static

3

c8f58733a7...3N.exe

windows7-x64

10

c8f58733a7...3N.exe

windows10-2004-x64

10

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General

  • Target

    c8f58733a71f9cf86783c645cf2ec5da821b6edf6d1fe859e7dcfb30b99aa353N.exe

  • Size

    324KB

  • Sample

    241207-3bsr8szkbs

  • MD5

    a975360b09d1a87bae460e9870511220

  • SHA1

    801fcc83453d9f27b391cfb930a86391ca1f5070

  • SHA256

    c8f58733a71f9cf86783c645cf2ec5da821b6edf6d1fe859e7dcfb30b99aa353

  • SHA512

    93e9a03b85fad0c51e9d07da3c06be1fd9540158c9fe23f316537fd8936e1b13e390524a6addb94e650a6cd5bab4db4640e5aa7222a2e96abf1c0a028f5ccb2a

  • SSDEEP

    6144:S9gtJaUS02zd5IF6rfBBcVPINRFYpfZvT6zAWq6JMf3us8ws:qCEHp5IFy5BcVPINRFYpfZvTmAWqeMfe

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

      c8f58733a71f9cf86783c645cf2ec5da821b6edf6d1fe859e7dcfb30b99aa353N.exe

    • Size

      324KB

    • MD5

      a975360b09d1a87bae460e9870511220

    • SHA1

      801fcc83453d9f27b391cfb930a86391ca1f5070

    • SHA256

      c8f58733a71f9cf86783c645cf2ec5da821b6edf6d1fe859e7dcfb30b99aa353

    • SHA512

      93e9a03b85fad0c51e9d07da3c06be1fd9540158c9fe23f316537fd8936e1b13e390524a6addb94e650a6cd5bab4db4640e5aa7222a2e96abf1c0a028f5ccb2a

    • SSDEEP

      6144:S9gtJaUS02zd5IF6rfBBcVPINRFYpfZvT6zAWq6JMf3us8ws:qCEHp5IFy5BcVPINRFYpfZvTmAWqeMfe

    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