Overview

overview

10

Static

static

3

b4f6bda84d...57.exe

windows7-x64

10

b4f6bda84d...57.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4f6bda84d1f8eec635bb38980e42faf543d184bdd1ae7edb49842b3a49ee057.exe

  • Size

    96KB

  • Sample

    241120-d6nz4azlhy

  • MD5

    0ec241f2f3f978d354f248a38308d705

  • SHA1

    4228ba33332e7341b1b14fe2c2be5fa6ee4844a9

  • SHA256

    b4f6bda84d1f8eec635bb38980e42faf543d184bdd1ae7edb49842b3a49ee057

  • SHA512

    3eb7989e7701f4d434ba6aa51e588dc9ebe009ec11bc88188f6acd06a8304cc9dd4e267645a4fd81df895a6318f9a1f4229dd237586ae11681f34d13fa487aba

  • SSDEEP

    3072:hXwftBwi6ve2sik//TvnR1MU5OmQCMyELiAHONd+:h/a2W7nROUYmQbBum

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

      b4f6bda84d1f8eec635bb38980e42faf543d184bdd1ae7edb49842b3a49ee057.exe

    • Size

      96KB

    • MD5

      0ec241f2f3f978d354f248a38308d705

    • SHA1

      4228ba33332e7341b1b14fe2c2be5fa6ee4844a9

    • SHA256

      b4f6bda84d1f8eec635bb38980e42faf543d184bdd1ae7edb49842b3a49ee057

    • SHA512

      3eb7989e7701f4d434ba6aa51e588dc9ebe009ec11bc88188f6acd06a8304cc9dd4e267645a4fd81df895a6318f9a1f4229dd237586ae11681f34d13fa487aba

    • SSDEEP

      3072:hXwftBwi6ve2sik//TvnR1MU5OmQCMyELiAHONd+:h/a2W7nROUYmQbBum

    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