Overview

overview

10

Static

static

3

ef56b3a0b7...e9.exe

windows7-x64

10

ef56b3a0b7...e9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef56b3a0b759342763dc33ee0184f5f83a9773ba70edb49a80b04de3dfcf2fe9

  • Size

    89KB

  • Sample

    241015-ha9zxatfqp

  • MD5

    674578cd9afa952de714caf7816dc43c

  • SHA1

    d2e45c3b1357449969f259ab6d10959f6546764b

  • SHA256

    ef56b3a0b759342763dc33ee0184f5f83a9773ba70edb49a80b04de3dfcf2fe9

  • SHA512

    849b846f6f993dc60af8ed5de030714be88474f162824e092e246267197510e957c62710814ed66da2ef37ac2f151d048ed65fcce7e8e2e47ac46963e683ccbc

  • SSDEEP

    1536:2tGu7EDBxVcGtl2LF6VaFotGImLvZKPoOV0qNRQlR+KRFR3RzR1URJrCiuiNj5Q2:28ueBrcMEcVtGImLvMPotqNeljb5ZXUx

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      ef56b3a0b759342763dc33ee0184f5f83a9773ba70edb49a80b04de3dfcf2fe9

    • Size

      89KB

    • MD5

      674578cd9afa952de714caf7816dc43c

    • SHA1

      d2e45c3b1357449969f259ab6d10959f6546764b

    • SHA256

      ef56b3a0b759342763dc33ee0184f5f83a9773ba70edb49a80b04de3dfcf2fe9

    • SHA512

      849b846f6f993dc60af8ed5de030714be88474f162824e092e246267197510e957c62710814ed66da2ef37ac2f151d048ed65fcce7e8e2e47ac46963e683ccbc

    • SSDEEP

      1536:2tGu7EDBxVcGtl2LF6VaFotGImLvZKPoOV0qNRQlR+KRFR3RzR1URJrCiuiNj5Q2:28ueBrcMEcVtGImLvMPotqNeljb5ZXUx

    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