Overview

overview

10

Static

static

3

7dbff22fc7...53.exe

windows7-x64

10

7dbff22fc7...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7dbff22fc771bf6476845370a1ad52d8884d00df51b8c076ebcdcbc4a528ed53.exe

  • Size

    2.5MB

  • Sample

    241225-xxff5stlgs

  • MD5

    fe641086c97fc307631f874b1a333c83

  • SHA1

    3f6e1a30396814a31012dd4983526a3f0af1fe60

  • SHA256

    7dbff22fc771bf6476845370a1ad52d8884d00df51b8c076ebcdcbc4a528ed53

  • SHA512

    fba8068d6549a22a97088b3650188082260d4af4dd6a030e219f7c4b2583ffb3ef873d0d1ffbe520bbb74c300d7fa912e0e714ecc96c381974f543811858254c

  • SSDEEP

    12288:81mtXNg3kY660JVaw0HBHOehl0oDL/eToo5Li2L:8MNsgdVaw0HBFhWof/0o8X

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

      7dbff22fc771bf6476845370a1ad52d8884d00df51b8c076ebcdcbc4a528ed53.exe

    • Size

      2.5MB

    • MD5

      fe641086c97fc307631f874b1a333c83

    • SHA1

      3f6e1a30396814a31012dd4983526a3f0af1fe60

    • SHA256

      7dbff22fc771bf6476845370a1ad52d8884d00df51b8c076ebcdcbc4a528ed53

    • SHA512

      fba8068d6549a22a97088b3650188082260d4af4dd6a030e219f7c4b2583ffb3ef873d0d1ffbe520bbb74c300d7fa912e0e714ecc96c381974f543811858254c

    • SSDEEP

      12288:81mtXNg3kY660JVaw0HBHOehl0oDL/eToo5Li2L:8MNsgdVaw0HBFhWof/0o8X

    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