Overview

overview

10

Static

static

3

8b1b316a82...7c.exe

windows7-x64

10

8b1b316a82...7c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8b1b316a82bd7812e2a74eb402498be209526cb6f2df1fa249f1cdc32e53447c.exe

  • Size

    74KB

  • Sample

    241222-mek9kavlbp

  • MD5

    987dbfe206008e14184f86eec246c975

  • SHA1

    b706cea582f5e29277f657351aef8a54da6b0c90

  • SHA256

    8b1b316a82bd7812e2a74eb402498be209526cb6f2df1fa249f1cdc32e53447c

  • SHA512

    7946532695a8d0cf2e7b68d826587d4d263cb92f8b2abaa543c2bdd5c9168cc8e1890dd82c11164955c53ae1d855cdf92b9e061fd83eee1068d0e669ed363285

  • SSDEEP

    1536:h0EpX/0mG7NiCtqCNbtf1MWKEJiPBs3bQItEJMyJ:WpVRia1tNWi3MItEJLJ

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

      8b1b316a82bd7812e2a74eb402498be209526cb6f2df1fa249f1cdc32e53447c.exe

    • Size

      74KB

    • MD5

      987dbfe206008e14184f86eec246c975

    • SHA1

      b706cea582f5e29277f657351aef8a54da6b0c90

    • SHA256

      8b1b316a82bd7812e2a74eb402498be209526cb6f2df1fa249f1cdc32e53447c

    • SHA512

      7946532695a8d0cf2e7b68d826587d4d263cb92f8b2abaa543c2bdd5c9168cc8e1890dd82c11164955c53ae1d855cdf92b9e061fd83eee1068d0e669ed363285

    • SSDEEP

      1536:h0EpX/0mG7NiCtqCNbtf1MWKEJiPBs3bQItEJMyJ:WpVRia1tNWi3MItEJLJ

    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