Overview

overview

10

Static

static

10

4f43b64da8...b2.exe

windows7-x64

10

4f43b64da8...b2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f43b64da86095a1af0dbbf1fa3c8043249bd61085c95d5f0bd59ea49ffeecb2

  • Size

    123KB

  • Sample

    241224-1ym46ayneq

  • MD5

    c20dd6dd1753cdcc091408d845350e97

  • SHA1

    2db1819762906dedebb45fc8b6ce1a62fa0c46a0

  • SHA256

    4f43b64da86095a1af0dbbf1fa3c8043249bd61085c95d5f0bd59ea49ffeecb2

  • SHA512

    ab7aa1298f59c35b3610666e35bbbbd61ecf1c04890ff8ad900c9c5d34c69524fddd1400286387d916f5d0ce88d1dee68e6779675e52c554b3374e0c8136e965

  • SSDEEP

    3072:wlqFXDWMEqqx1/0s4UQRYSa9rR85DEn5k7r8:wlqFXDWMk1/0s4UQ4rQD85k/8

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

      4f43b64da86095a1af0dbbf1fa3c8043249bd61085c95d5f0bd59ea49ffeecb2

    • Size

      123KB

    • MD5

      c20dd6dd1753cdcc091408d845350e97

    • SHA1

      2db1819762906dedebb45fc8b6ce1a62fa0c46a0

    • SHA256

      4f43b64da86095a1af0dbbf1fa3c8043249bd61085c95d5f0bd59ea49ffeecb2

    • SHA512

      ab7aa1298f59c35b3610666e35bbbbd61ecf1c04890ff8ad900c9c5d34c69524fddd1400286387d916f5d0ce88d1dee68e6779675e52c554b3374e0c8136e965

    • SSDEEP

      3072:wlqFXDWMEqqx1/0s4UQRYSa9rR85DEn5k7r8:wlqFXDWMk1/0s4UQ4rQD85k/8

    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