Overview

overview

10

Static

static

10

02c3acf77f...fN.exe

windows7-x64

10

02c3acf77f...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    02c3acf77fe0500f3f50803e549c9670a389b3f228c6347b7a43f7f01b8426cfN.exe

  • Size

    320KB

  • Sample

    241207-1t2rrawkfx

  • MD5

    cf8f754f2c06e3a5a1834e5bd4d595c0

  • SHA1

    38f6382849f3bee98b1ebad122115f8f6896962e

  • SHA256

    02c3acf77fe0500f3f50803e549c9670a389b3f228c6347b7a43f7f01b8426cf

  • SHA512

    21a44d1ef698a816600145a17b29709778d03c6aa480650a128ebe88a9d5197a23f5d2aeb8c5bb7bfabeebe97f99dca0257694a66ef6c040d53974081edec43c

  • SSDEEP

    6144:N3hM/kZuGfxQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwp:N3hM/kD/+zrWAI5KFum/+zrWAIAqe

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

      02c3acf77fe0500f3f50803e549c9670a389b3f228c6347b7a43f7f01b8426cfN.exe

    • Size

      320KB

    • MD5

      cf8f754f2c06e3a5a1834e5bd4d595c0

    • SHA1

      38f6382849f3bee98b1ebad122115f8f6896962e

    • SHA256

      02c3acf77fe0500f3f50803e549c9670a389b3f228c6347b7a43f7f01b8426cf

    • SHA512

      21a44d1ef698a816600145a17b29709778d03c6aa480650a128ebe88a9d5197a23f5d2aeb8c5bb7bfabeebe97f99dca0257694a66ef6c040d53974081edec43c

    • SSDEEP

      6144:N3hM/kZuGfxQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwp:N3hM/kD/+zrWAI5KFum/+zrWAIAqe

    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