Overview

overview

10

Static

static

3

7fc70a4158...cd.exe

windows7-x64

10

7fc70a4158...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7fc70a41586a3daf5351d92e32ddebe50c65ad1d4664a918305e7320e1d64bcd

  • Size

    192KB

  • Sample

    241208-amsbmasjex

  • MD5

    731d7ab4d9eb40d0e87b3ef1b72afad9

  • SHA1

    a914e8e65f54bdd37f044eb97e4be83e55352ba0

  • SHA256

    7fc70a41586a3daf5351d92e32ddebe50c65ad1d4664a918305e7320e1d64bcd

  • SHA512

    22fa24fceb67382ce9e2edf1528638ffd0dc8fb85dbbe983cbe767d8a4cb5b0f715041f4840ce76630de4585037540db3a59ce14bb64fd9e348013276a2e6792

  • SSDEEP

    3072:fUPwhlqmY/DACkAbeIr4MKy3G7UEqMM6T9pui6yYPaI7DehizrVtNe8ohrQ3N:4whpYbACkAilndpui6yYPaIGckfruN

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

      7fc70a41586a3daf5351d92e32ddebe50c65ad1d4664a918305e7320e1d64bcd

    • Size

      192KB

    • MD5

      731d7ab4d9eb40d0e87b3ef1b72afad9

    • SHA1

      a914e8e65f54bdd37f044eb97e4be83e55352ba0

    • SHA256

      7fc70a41586a3daf5351d92e32ddebe50c65ad1d4664a918305e7320e1d64bcd

    • SHA512

      22fa24fceb67382ce9e2edf1528638ffd0dc8fb85dbbe983cbe767d8a4cb5b0f715041f4840ce76630de4585037540db3a59ce14bb64fd9e348013276a2e6792

    • SSDEEP

      3072:fUPwhlqmY/DACkAbeIr4MKy3G7UEqMM6T9pui6yYPaI7DehizrVtNe8ohrQ3N:4whpYbACkAilndpui6yYPaIGckfruN

    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