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Overview

overview

10

Static

static

3

b20e298f25...eN.exe

windows7-x64

10

b20e298f25...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b20e298f256a9e2339e34cc64bb8b53ccd7a3f585786251161b7f89c7bf1dd6eN

  • Size

    276KB

  • Sample

    240921-1qestawbqc

  • MD5

    b6841559167f21bb185cb3feea065a20

  • SHA1

    c0f10348a7aa708f9ab7d8e9b1b06802e73a5cdf

  • SHA256

    b20e298f256a9e2339e34cc64bb8b53ccd7a3f585786251161b7f89c7bf1dd6e

  • SHA512

    d9552f9d74ad8f24f3b824535f9314dc9be9bc4bfc92a3d5acd9a5e6dc05b1043fe43b5aac96b8a5ac5a0b04b066f033c6afe3efa941f2486c79325344e48f89

  • SSDEEP

    6144:E+S+toj3XIdWZHEFJ7aWN1rtMsQBOSGaF+k:9/toj3y2HEGWN1RMs1S7P

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

      b20e298f256a9e2339e34cc64bb8b53ccd7a3f585786251161b7f89c7bf1dd6eN

    • Size

      276KB

    • MD5

      b6841559167f21bb185cb3feea065a20

    • SHA1

      c0f10348a7aa708f9ab7d8e9b1b06802e73a5cdf

    • SHA256

      b20e298f256a9e2339e34cc64bb8b53ccd7a3f585786251161b7f89c7bf1dd6e

    • SHA512

      d9552f9d74ad8f24f3b824535f9314dc9be9bc4bfc92a3d5acd9a5e6dc05b1043fe43b5aac96b8a5ac5a0b04b066f033c6afe3efa941f2486c79325344e48f89

    • SSDEEP

      6144:E+S+toj3XIdWZHEFJ7aWN1rtMsQBOSGaF+k:9/toj3y2HEGWN1RMs1S7P

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks