Overview

overview

10

Static

static

3

7459870b66...a1.exe

windows7-x64

10

7459870b66...a1.exe

windows10-2004-x64

10

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General

  • Target

    7459870b669226975106a178083f5eba4fa8a85667403ad9225d1640d9ebe1a1.exe

  • Size

    88KB

  • Sample

    241119-nbxnvswbrk

  • MD5

    ffe4590c5526293dd9338a6095746ef3

  • SHA1

    a70f65295850e3331389e1158f4a543fe915f6ff

  • SHA256

    7459870b669226975106a178083f5eba4fa8a85667403ad9225d1640d9ebe1a1

  • SHA512

    f54061f6b9f160669df2f73cf427e25ba10c87bb75cc74403abe26db3c78a0453ec80c1073eeae2f2e6f8e9e426749e205a4fc42fb5604dce29a5a7ebfee2f6a

  • SSDEEP

    1536:WNFdERz6pEucAd8Ev4yWd/n4IiqHEBCv7/oooqVpamOBnouy8D:WNFdEROEucw8EvRc/n4IRHEBXooeFOhZ

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

      7459870b669226975106a178083f5eba4fa8a85667403ad9225d1640d9ebe1a1.exe

    • Size

      88KB

    • MD5

      ffe4590c5526293dd9338a6095746ef3

    • SHA1

      a70f65295850e3331389e1158f4a543fe915f6ff

    • SHA256

      7459870b669226975106a178083f5eba4fa8a85667403ad9225d1640d9ebe1a1

    • SHA512

      f54061f6b9f160669df2f73cf427e25ba10c87bb75cc74403abe26db3c78a0453ec80c1073eeae2f2e6f8e9e426749e205a4fc42fb5604dce29a5a7ebfee2f6a

    • SSDEEP

      1536:WNFdERz6pEucAd8Ev4yWd/n4IiqHEBCv7/oooqVpamOBnouy8D:WNFdEROEucw8EvRc/n4IRHEBXooeFOhZ

    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