Overview

overview

10

Static

static

3

8dc159f1aa...0b.exe

windows7-x64

10

8dc159f1aa...0b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8dc159f1aaa0b90a2ffff4830e1ccfc43a96f0365b5ffc84ff98c76824785c0b

  • Size

    576KB

  • Sample

    240921-2faxjsxgjl

  • MD5

    cfaf58730ed92ae3896ce02d21b87cae

  • SHA1

    865bb28e49e282076c6a5cf3dcddae6a69123122

  • SHA256

    8dc159f1aaa0b90a2ffff4830e1ccfc43a96f0365b5ffc84ff98c76824785c0b

  • SHA512

    fb48d90565fcf7c5b73390da84785f36c7bbb8a0f56ec66bce2bf5bd44091f07677cb840811250bc69963533d7576b71415d44fae3d0aa6fd4cb7c674f0b9559

  • SSDEEP

    12288:yaQOdIbj4uXGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgSgRDO:yar64uXGyXsGG1ws5ipX6

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

      8dc159f1aaa0b90a2ffff4830e1ccfc43a96f0365b5ffc84ff98c76824785c0b

    • Size

      576KB

    • MD5

      cfaf58730ed92ae3896ce02d21b87cae

    • SHA1

      865bb28e49e282076c6a5cf3dcddae6a69123122

    • SHA256

      8dc159f1aaa0b90a2ffff4830e1ccfc43a96f0365b5ffc84ff98c76824785c0b

    • SHA512

      fb48d90565fcf7c5b73390da84785f36c7bbb8a0f56ec66bce2bf5bd44091f07677cb840811250bc69963533d7576b71415d44fae3d0aa6fd4cb7c674f0b9559

    • SSDEEP

      12288:yaQOdIbj4uXGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgSgRDO:yar64uXGyXsGG1ws5ipX6

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks