Overview

overview

10

Static

static

3

7fc3e1f12c...8N.exe

windows7-x64

10

7fc3e1f12c...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7fc3e1f12c1d950ecb78b4653932b54d412441932fb8445c9c330c3f4e6c26e8N.exe

  • Size

    88KB

  • Sample

    241207-y1nscswrcn

  • MD5

    f48f1c2d9da9d45436d2afc3f488e640

  • SHA1

    5d2f4e8b33642fbb32219b7d8480e56fd2411966

  • SHA256

    7fc3e1f12c1d950ecb78b4653932b54d412441932fb8445c9c330c3f4e6c26e8

  • SHA512

    a2322fbca6971ad5894e2dea581e1f0588865cdba6f5e7bebbcc80ca17474da48a26bf8128a9af7bf9a79089d373737e21e62cb84deafcc12ff9efa6e84f1cef

  • SSDEEP

    1536:1LrjpZ2ZsPjEVBvjTayZjkukq4ewnTLIRTQOw7tSmdRpHvNH86Onynouy8B:RrjEkEVt2ckukjnOQOwhSqRpPNHTOnqz

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

      7fc3e1f12c1d950ecb78b4653932b54d412441932fb8445c9c330c3f4e6c26e8N.exe

    • Size

      88KB

    • MD5

      f48f1c2d9da9d45436d2afc3f488e640

    • SHA1

      5d2f4e8b33642fbb32219b7d8480e56fd2411966

    • SHA256

      7fc3e1f12c1d950ecb78b4653932b54d412441932fb8445c9c330c3f4e6c26e8

    • SHA512

      a2322fbca6971ad5894e2dea581e1f0588865cdba6f5e7bebbcc80ca17474da48a26bf8128a9af7bf9a79089d373737e21e62cb84deafcc12ff9efa6e84f1cef

    • SSDEEP

      1536:1LrjpZ2ZsPjEVBvjTayZjkukq4ewnTLIRTQOw7tSmdRpHvNH86Onynouy8B:RrjEkEVt2ckukjnOQOwhSqRpPNHTOnqz

    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