Overview

overview

10

Static

static

3

e1ca4c94d7...f6.exe

windows7-x64

10

e1ca4c94d7...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e1ca4c94d78cf415805310b2cccb96c3e48f2a1d972e2fda04a3aaf672f7c9f6

  • Size

    90KB

  • Sample

    241121-l3wvjavrdj

  • MD5

    2de6268d8171d006569a3e65b6677d79

  • SHA1

    cfda902f84dbceb0e2d55d4bdb6bbaed8f2f5837

  • SHA256

    e1ca4c94d78cf415805310b2cccb96c3e48f2a1d972e2fda04a3aaf672f7c9f6

  • SHA512

    721ecc34e492dccccd1f6ff838d1f2f26f438ac307f8e4e70cefde66722f7b8d5ea04acccd4317290061d3b79fbab4756507d106bec5272545c5a39cd01b4465

  • SSDEEP

    1536:d16ijeKuNMMhwkeS3/izkpZCXz2RVFzVhvGYu/Ub0VkVNK:Pdj2MM9eSPQ64j2RVFptGYu/Ub0+NK

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

      e1ca4c94d78cf415805310b2cccb96c3e48f2a1d972e2fda04a3aaf672f7c9f6

    • Size

      90KB

    • MD5

      2de6268d8171d006569a3e65b6677d79

    • SHA1

      cfda902f84dbceb0e2d55d4bdb6bbaed8f2f5837

    • SHA256

      e1ca4c94d78cf415805310b2cccb96c3e48f2a1d972e2fda04a3aaf672f7c9f6

    • SHA512

      721ecc34e492dccccd1f6ff838d1f2f26f438ac307f8e4e70cefde66722f7b8d5ea04acccd4317290061d3b79fbab4756507d106bec5272545c5a39cd01b4465

    • SSDEEP

      1536:d16ijeKuNMMhwkeS3/izkpZCXz2RVFzVhvGYu/Ub0VkVNK:Pdj2MM9eSPQ64j2RVFptGYu/Ub0+NK

    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