Overview

overview

10

Static

static

3

8545ce56d1...fN.exe

windows7-x64

10

8545ce56d1...fN.exe

windows10-2004-x64

10

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General

  • Target

    8545ce56d13a573981a84cbf744084610bf322c3069567d9ccc313b6b3c185ffN.exe

  • Size

    74KB

  • Sample

    241208-bvzw4szqbm

  • MD5

    92e0933db8c03b6ec69c3b9352401ba0

  • SHA1

    2e830b201b5d0048230ac95ee216e53e2f7bbf61

  • SHA256

    8545ce56d13a573981a84cbf744084610bf322c3069567d9ccc313b6b3c185ff

  • SHA512

    dcd9a75ecb0aefa4bc5c1396d50ad438440295cabe3439a40e49ea522a83cd6f739b5e761d45f54d64bdacef8816463de21747adc4383a433985ac7a15760f65

  • SSDEEP

    1536:5JXhTL7Rvt3arkKKmq444Ry/OdBv0osO62cjRLhoKkzHs:5JXhTHH3YkK24Ry/OF62oRUzHs

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

      8545ce56d13a573981a84cbf744084610bf322c3069567d9ccc313b6b3c185ffN.exe

    • Size

      74KB

    • MD5

      92e0933db8c03b6ec69c3b9352401ba0

    • SHA1

      2e830b201b5d0048230ac95ee216e53e2f7bbf61

    • SHA256

      8545ce56d13a573981a84cbf744084610bf322c3069567d9ccc313b6b3c185ff

    • SHA512

      dcd9a75ecb0aefa4bc5c1396d50ad438440295cabe3439a40e49ea522a83cd6f739b5e761d45f54d64bdacef8816463de21747adc4383a433985ac7a15760f65

    • SSDEEP

      1536:5JXhTL7Rvt3arkKKmq444Ry/OdBv0osO62cjRLhoKkzHs:5JXhTHH3YkK24Ry/OF62oRUzHs

    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