Overview

overview

10

Static

static

3

a99745be00...9N.exe

windows7-x64

10

a99745be00...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a99745be00484e7ff97fce5555d893c8976a5ed82aa22247777b04a51aa341f9N.exe

  • Size

    74KB

  • Sample

    241207-yle7nszray

  • MD5

    437788259e8f05b5060b9a46931b4020

  • SHA1

    fab1b4a7d64454d5466d2ef0311bc79905b0ad8d

  • SHA256

    a99745be00484e7ff97fce5555d893c8976a5ed82aa22247777b04a51aa341f9

  • SHA512

    bcc876b7b6e5b7601c25c075bb6430db514c2e75b1cc850be779c7793146128bd0e0c2b108f86c77a19a4ca88f2cd1b1d9376d65fc797fcd64ec236192a7dc97

  • SSDEEP

    1536:Dsr7FtOZOH8hYPmHiJ9/rnk33Q/w1Hy5KwuG2mW/1swEKEeOaXYRQARcRes3cO5p:DsXP1Tl0q2HyYwGNEqXYeAW19H

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

      a99745be00484e7ff97fce5555d893c8976a5ed82aa22247777b04a51aa341f9N.exe

    • Size

      74KB

    • MD5

      437788259e8f05b5060b9a46931b4020

    • SHA1

      fab1b4a7d64454d5466d2ef0311bc79905b0ad8d

    • SHA256

      a99745be00484e7ff97fce5555d893c8976a5ed82aa22247777b04a51aa341f9

    • SHA512

      bcc876b7b6e5b7601c25c075bb6430db514c2e75b1cc850be779c7793146128bd0e0c2b108f86c77a19a4ca88f2cd1b1d9376d65fc797fcd64ec236192a7dc97

    • SSDEEP

      1536:Dsr7FtOZOH8hYPmHiJ9/rnk33Q/w1Hy5KwuG2mW/1swEKEeOaXYRQARcRes3cO5p:DsXP1Tl0q2HyYwGNEqXYeAW19H

    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