Overview

overview

10

Static

static

3

2e7de65d1e...a3.exe

windows7-x64

10

2e7de65d1e...a3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2e7de65d1e169e702f09b807daa1df86aaba330afaea5734ae198d0754061ba3

  • Size

    95KB

  • Sample

    250305-2lykss1vdv

  • MD5

    3bfe76baa7bbbf61fb35ceab2dcd9acb

  • SHA1

    0d66cd9e4829d44aeed39245bcfd216cfeebbfad

  • SHA256

    2e7de65d1e169e702f09b807daa1df86aaba330afaea5734ae198d0754061ba3

  • SHA512

    afd585a780d9250703092a0c0099075c4281aa46c418712be1509db6a284901d505cb68c4ad1873db73b2eb08b41e425c65a5de33c9e754c589615b816ad1669

  • SSDEEP

    1536:vOi8uxgm09qpUU9EdI3Uqb0B3PVkUsU4qGx5AIHhOM6bOLXi8PmCofGw:vOi8ux90gFsqQB3Px4qGxSIBDrLXfzoD

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

      2e7de65d1e169e702f09b807daa1df86aaba330afaea5734ae198d0754061ba3

    • Size

      95KB

    • MD5

      3bfe76baa7bbbf61fb35ceab2dcd9acb

    • SHA1

      0d66cd9e4829d44aeed39245bcfd216cfeebbfad

    • SHA256

      2e7de65d1e169e702f09b807daa1df86aaba330afaea5734ae198d0754061ba3

    • SHA512

      afd585a780d9250703092a0c0099075c4281aa46c418712be1509db6a284901d505cb68c4ad1873db73b2eb08b41e425c65a5de33c9e754c589615b816ad1669

    • SSDEEP

      1536:vOi8uxgm09qpUU9EdI3Uqb0B3PVkUsU4qGx5AIHhOM6bOLXi8PmCofGw:vOi8ux90gFsqQB3Px4qGxSIBDrLXfzoD

    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