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Overview

overview

10

Static

static

3

a821d111c5...14.exe

windows7-x64

10

a821d111c5...14.exe

windows10-2004-x64

10

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General

  • Target

    a821d111c5e6b518b8267052cbccc57e0cd636c1475b0f43e77e962fb3e86e14

  • Size

    90KB

  • Sample

    250305-h3nblssmz9

  • MD5

    6259576152cc0412c0e817a14d95bda3

  • SHA1

    eda1319dbc71205d15992f3a80a11adcc96e48ff

  • SHA256

    a821d111c5e6b518b8267052cbccc57e0cd636c1475b0f43e77e962fb3e86e14

  • SHA512

    854598ae6cd21295222aa6b1376685e316781ca8f9317f5f53f8c3e11402bd558dad7cdf9c034201297feae8892fe47be308818e1578584dfd2867b354c97dd5

  • SSDEEP

    1536:+0ulz2r0X/i2TnCpjbqnDg6pZ+HyXEyOQZMZ3QNlnW/rvGlu/Ub0VkVNK:xi2remjbqU6pZ2IyZ3QNSvGlu/Ub0+NK

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

      a821d111c5e6b518b8267052cbccc57e0cd636c1475b0f43e77e962fb3e86e14

    • Size

      90KB

    • MD5

      6259576152cc0412c0e817a14d95bda3

    • SHA1

      eda1319dbc71205d15992f3a80a11adcc96e48ff

    • SHA256

      a821d111c5e6b518b8267052cbccc57e0cd636c1475b0f43e77e962fb3e86e14

    • SHA512

      854598ae6cd21295222aa6b1376685e316781ca8f9317f5f53f8c3e11402bd558dad7cdf9c034201297feae8892fe47be308818e1578584dfd2867b354c97dd5

    • SSDEEP

      1536:+0ulz2r0X/i2TnCpjbqnDg6pZ+HyXEyOQZMZ3QNlnW/rvGlu/Ub0VkVNK:xi2remjbqU6pZ2IyZ3QNSvGlu/Ub0+NK

    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