Overview

overview

10

Static

static

3

c7735b84d9...fN.exe

windows7-x64

10

c7735b84d9...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c7735b84d9e1c6b614fe5cc3687d913ee5c8dbb52eeb14ba5e3ff2e7186e266fN.exe

  • Size

    1.2MB

  • Sample

    241119-vexllatkck

  • MD5

    743a4969799b2a3de1df75845c717f30

  • SHA1

    41055adc4eb34235246036d0dac5307094d5192f

  • SHA256

    c7735b84d9e1c6b614fe5cc3687d913ee5c8dbb52eeb14ba5e3ff2e7186e266f

  • SHA512

    1261169fc13467cd8580cea6270a1fb46c843b79f77f4d9d49eef79b887137836024aba119c0edfcb3e06d8dd22b559f2023b107cfec1dc36c8c8d1354d71a8e

  • SSDEEP

    24576:xr9Cgu5YyCtCCm0BmmvFimm00h2kkkkK4kXkkkkkkkkhLX3a20R0v50+YR:J9Cgu5RCtCmizbazR0vk

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

      c7735b84d9e1c6b614fe5cc3687d913ee5c8dbb52eeb14ba5e3ff2e7186e266fN.exe

    • Size

      1.2MB

    • MD5

      743a4969799b2a3de1df75845c717f30

    • SHA1

      41055adc4eb34235246036d0dac5307094d5192f

    • SHA256

      c7735b84d9e1c6b614fe5cc3687d913ee5c8dbb52eeb14ba5e3ff2e7186e266f

    • SHA512

      1261169fc13467cd8580cea6270a1fb46c843b79f77f4d9d49eef79b887137836024aba119c0edfcb3e06d8dd22b559f2023b107cfec1dc36c8c8d1354d71a8e

    • SSDEEP

      24576:xr9Cgu5YyCtCCm0BmmvFimm00h2kkkkK4kXkkkkkkkkhLX3a20R0v50+YR:J9Cgu5RCtCmizbazR0vk

    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