Overview

overview

10

Static

static

10

bcbf524688...aN.exe

windows7-x64

10

bcbf524688...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bcbf524688909c4e3f76b01c6afbb73134b4cf43bed9f492f49c53a0c03df44aN.exe

  • Size

    265KB

  • Sample

    241222-hbh8ksxnbs

  • MD5

    afdf6847dbf74f2f5ff7dddc15426360

  • SHA1

    45c3559292aebc5c5ca9bdeefd0d3117aba79de3

  • SHA256

    bcbf524688909c4e3f76b01c6afbb73134b4cf43bed9f492f49c53a0c03df44a

  • SHA512

    c3262f3c1261c6839ce6d9b90df26d8b4ad8edd8715a164d5c33dacf215fa0c3e52a26cfa3c3e2667e92945f1555d4d27a6b39ce07c3d22c08f1ec053fbab56b

  • SSDEEP

    6144:NRz61+kTm9TLp103ETiZ0moGP/2dga1mcyw7I:NRz61fOpScXwuR1mK7

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

      bcbf524688909c4e3f76b01c6afbb73134b4cf43bed9f492f49c53a0c03df44aN.exe

    • Size

      265KB

    • MD5

      afdf6847dbf74f2f5ff7dddc15426360

    • SHA1

      45c3559292aebc5c5ca9bdeefd0d3117aba79de3

    • SHA256

      bcbf524688909c4e3f76b01c6afbb73134b4cf43bed9f492f49c53a0c03df44a

    • SHA512

      c3262f3c1261c6839ce6d9b90df26d8b4ad8edd8715a164d5c33dacf215fa0c3e52a26cfa3c3e2667e92945f1555d4d27a6b39ce07c3d22c08f1ec053fbab56b

    • SSDEEP

      6144:NRz61+kTm9TLp103ETiZ0moGP/2dga1mcyw7I:NRz61fOpScXwuR1mK7

    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