Overview

overview

10

Static

static

3

3851f076a1...ca.exe

windows7-x64

10

3851f076a1...ca.exe

windows10-2004-x64

10

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General

  • Target

    3851f076a1f4fb8815fdbbafa242c00ee5f8cd9005a01d24d3c7f6c1998d2eca

  • Size

    96KB

  • Sample

    241123-z6ra4stkhk

  • MD5

    92c07f9e608ff3231c174d90bc712830

  • SHA1

    29ac1210faa7643abbd0cb1a52559bd280ba09fc

  • SHA256

    3851f076a1f4fb8815fdbbafa242c00ee5f8cd9005a01d24d3c7f6c1998d2eca

  • SHA512

    c94555b3d6fe41c6e38f6ddbc80fec4373ba4a71292b922262a4328e0ce9653be7d5b41ac4f2c86b26d890cffb3b708164c65b07f2c32d4a7d690262613155dd

  • SSDEEP

    1536:MSbkY9+AbMlcifDO8SngHHONISYKThKPt9jz5VC5h/BOmqCMy0QiLiizHNQNdq:ZkTcif68SngnOtYK1KrjzXih5OmqCMyo

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

      3851f076a1f4fb8815fdbbafa242c00ee5f8cd9005a01d24d3c7f6c1998d2eca

    • Size

      96KB

    • MD5

      92c07f9e608ff3231c174d90bc712830

    • SHA1

      29ac1210faa7643abbd0cb1a52559bd280ba09fc

    • SHA256

      3851f076a1f4fb8815fdbbafa242c00ee5f8cd9005a01d24d3c7f6c1998d2eca

    • SHA512

      c94555b3d6fe41c6e38f6ddbc80fec4373ba4a71292b922262a4328e0ce9653be7d5b41ac4f2c86b26d890cffb3b708164c65b07f2c32d4a7d690262613155dd

    • SSDEEP

      1536:MSbkY9+AbMlcifDO8SngHHONISYKThKPt9jz5VC5h/BOmqCMy0QiLiizHNQNdq:ZkTcif68SngnOtYK1KrjzXih5OmqCMyo

    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