Overview

overview

10

Static

static

3

39db410c9e...39.exe

windows7-x64

10

39db410c9e...39.exe

windows10-2004-x64

10

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General

  • Target

    39db410c9eb86295bcbebd3b76af21f03b15663572e7e8199a4e0530c7b60339.exe

  • Size

    280KB

  • Sample

    241123-yzn2qstqds

  • MD5

    b557f6f6b9e090134c6805e36f076f60

  • SHA1

    bbab5050f56f196daa24efa3ef1e692e5675972f

  • SHA256

    39db410c9eb86295bcbebd3b76af21f03b15663572e7e8199a4e0530c7b60339

  • SHA512

    eca4dbc5afe4efcf89c872336b12a3c8b82837c0e73eb64579233aa7504be4a1170cdfd7cb3d742d7b78efc764689892ddd9001be856c4f3aa39f91bfe6add17

  • SSDEEP

    6144:Rm/P+MLA5Y64amUTi/GOORjMmRUoooooooooooooooooooooooooy/Gf:MP+ME664amMi//OVLCooooooooooooot

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

      39db410c9eb86295bcbebd3b76af21f03b15663572e7e8199a4e0530c7b60339.exe

    • Size

      280KB

    • MD5

      b557f6f6b9e090134c6805e36f076f60

    • SHA1

      bbab5050f56f196daa24efa3ef1e692e5675972f

    • SHA256

      39db410c9eb86295bcbebd3b76af21f03b15663572e7e8199a4e0530c7b60339

    • SHA512

      eca4dbc5afe4efcf89c872336b12a3c8b82837c0e73eb64579233aa7504be4a1170cdfd7cb3d742d7b78efc764689892ddd9001be856c4f3aa39f91bfe6add17

    • SSDEEP

      6144:Rm/P+MLA5Y64amUTi/GOORjMmRUoooooooooooooooooooooooooy/Gf:MP+ME664amMi//OVLCooooooooooooot

    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