Overview

overview

10

Static

static

3

a76b5cfac8...1e.exe

windows7-x64

10

a76b5cfac8...1e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a76b5cfac8a178308d712a3c1192c8e231230dee6a6be23d5c4cb42ded49e91e.exe

  • Size

    296KB

  • Sample

    241123-gmyxqszmbt

  • MD5

    467e787905fb3d60451f747fffac826c

  • SHA1

    2e55fed4e38dbe0a832e8e2f17751e38ca875584

  • SHA256

    a76b5cfac8a178308d712a3c1192c8e231230dee6a6be23d5c4cb42ded49e91e

  • SHA512

    df98b2bbcd30e7725bdf895d11334bb3cd24b58a23a79a6ced795999361c858a0915f3ea3deff15bde77998f25f1e61ce9ed4fec0fd5b55d38d0f569aa76de49

  • SSDEEP

    3072:xpG9A5oUYgw6cD6cNUgUARA1+6NhZ6P0c9fpxg6p2:zxoU7cFR6NPKG62

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

      a76b5cfac8a178308d712a3c1192c8e231230dee6a6be23d5c4cb42ded49e91e.exe

    • Size

      296KB

    • MD5

      467e787905fb3d60451f747fffac826c

    • SHA1

      2e55fed4e38dbe0a832e8e2f17751e38ca875584

    • SHA256

      a76b5cfac8a178308d712a3c1192c8e231230dee6a6be23d5c4cb42ded49e91e

    • SHA512

      df98b2bbcd30e7725bdf895d11334bb3cd24b58a23a79a6ced795999361c858a0915f3ea3deff15bde77998f25f1e61ce9ed4fec0fd5b55d38d0f569aa76de49

    • SSDEEP

      3072:xpG9A5oUYgw6cD6cNUgUARA1+6NhZ6P0c9fpxg6p2:zxoU7cFR6NPKG62

    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