Overview

overview

10

Static

static

3

87dbeaa1b0...74.exe

windows7-x64

10

87dbeaa1b0...74.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    87dbeaa1b00544aa3073ed439bc8eccc041ed6dcd8f1e86d22ba577bf8fd8a74

  • Size

    207KB

  • Sample

    250307-2l11xsyvdt

  • MD5

    082f710417ed296efe006def65a14e68

  • SHA1

    3725420f18d9387ab165957d97df08af59a20630

  • SHA256

    87dbeaa1b00544aa3073ed439bc8eccc041ed6dcd8f1e86d22ba577bf8fd8a74

  • SHA512

    bd269ad348497369e08310e3e874816edf128652967471bc1c7532cc21ff1512757ade487d7849fcfa05722f400c0470b2cd470c16671561408098fb6a001182

  • SSDEEP

    3072:9x4gQMbNyzBm5eZzhJOVjoSdoxx4KcWmjRrzyAyAtWgoJSWYVo2ASOvojoS:9x4ghclm5yOVjj+VPj92d62ASOwj

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

      87dbeaa1b00544aa3073ed439bc8eccc041ed6dcd8f1e86d22ba577bf8fd8a74

    • Size

      207KB

    • MD5

      082f710417ed296efe006def65a14e68

    • SHA1

      3725420f18d9387ab165957d97df08af59a20630

    • SHA256

      87dbeaa1b00544aa3073ed439bc8eccc041ed6dcd8f1e86d22ba577bf8fd8a74

    • SHA512

      bd269ad348497369e08310e3e874816edf128652967471bc1c7532cc21ff1512757ade487d7849fcfa05722f400c0470b2cd470c16671561408098fb6a001182

    • SSDEEP

      3072:9x4gQMbNyzBm5eZzhJOVjoSdoxx4KcWmjRrzyAyAtWgoJSWYVo2ASOvojoS:9x4ghclm5yOVjj+VPj92d62ASOwj

    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