Overview

overview

10

Static

static

3

e43e8c1d0f...fa.exe

windows7-x64

10

e43e8c1d0f...fa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e43e8c1d0f185516d82f29de9776fc0c67b6a3274606c270e444c408e5eb4ffa

  • Size

    90KB

  • Sample

    241123-fanessvlfk

  • MD5

    d9210e1668981894220dca79bd1e1293

  • SHA1

    9f2b7e238be379e6c928b0f507ed46d360f00c8a

  • SHA256

    e43e8c1d0f185516d82f29de9776fc0c67b6a3274606c270e444c408e5eb4ffa

  • SHA512

    e7377f3085cd65337ea81c30052af042818ca0fb100b661c4599ea9d6c31abe7e16320fcd0d4ed3c8d24b0773c9e561caab9a0a76f2f8300ceefc40bbae602a8

  • SSDEEP

    1536:UgLTz+I9IND3Pn9aRAnzUO9fIC+UAzxszmWbGZzu/Ub0VkVNK:UGP+FF3Pn9amzUOdr+HzxQ5bGZzu/Ubi

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

      e43e8c1d0f185516d82f29de9776fc0c67b6a3274606c270e444c408e5eb4ffa

    • Size

      90KB

    • MD5

      d9210e1668981894220dca79bd1e1293

    • SHA1

      9f2b7e238be379e6c928b0f507ed46d360f00c8a

    • SHA256

      e43e8c1d0f185516d82f29de9776fc0c67b6a3274606c270e444c408e5eb4ffa

    • SHA512

      e7377f3085cd65337ea81c30052af042818ca0fb100b661c4599ea9d6c31abe7e16320fcd0d4ed3c8d24b0773c9e561caab9a0a76f2f8300ceefc40bbae602a8

    • SSDEEP

      1536:UgLTz+I9IND3Pn9aRAnzUO9fIC+UAzxszmWbGZzu/Ub0VkVNK:UGP+FF3Pn9amzUOdr+HzxQ5bGZzu/Ubi

    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