Overview

overview

10

Static

static

3

bcdbaf2ec2...30.exe

windows7-x64

10

bcdbaf2ec2...30.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bcdbaf2ec2a2abd1ad7d973d2d1da11254a5344b7faa1ea9dfd4998d729aad30

  • Size

    93KB

  • Sample

    241223-c4b23svjcy

  • MD5

    5e42281d9cc8691a10a8ea4bdfda4760

  • SHA1

    3b9ff4e3ca65bdf1004d9dd164ef3eff729b66c2

  • SHA256

    bcdbaf2ec2a2abd1ad7d973d2d1da11254a5344b7faa1ea9dfd4998d729aad30

  • SHA512

    87334327dd33f50a38c97bb41a47845cdc6dd1c3e7329ccb5a1fa10775856b188a37442d2ab561fe52905c552b77e9c3842f7cd84e7ca061f1af85df5c2f7d5b

  • SSDEEP

    1536:NDAJKEirRA9Y5fQzrydUJ/i4AONC6QUwpoD5ysaMiwihtIbbpkp:VA79YFQHyd+vHQNpI5ydMiwaIbbpkp

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

      bcdbaf2ec2a2abd1ad7d973d2d1da11254a5344b7faa1ea9dfd4998d729aad30

    • Size

      93KB

    • MD5

      5e42281d9cc8691a10a8ea4bdfda4760

    • SHA1

      3b9ff4e3ca65bdf1004d9dd164ef3eff729b66c2

    • SHA256

      bcdbaf2ec2a2abd1ad7d973d2d1da11254a5344b7faa1ea9dfd4998d729aad30

    • SHA512

      87334327dd33f50a38c97bb41a47845cdc6dd1c3e7329ccb5a1fa10775856b188a37442d2ab561fe52905c552b77e9c3842f7cd84e7ca061f1af85df5c2f7d5b

    • SSDEEP

      1536:NDAJKEirRA9Y5fQzrydUJ/i4AONC6QUwpoD5ysaMiwihtIbbpkp:VA79YFQHyd+vHQNpI5ydMiwaIbbpkp

    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