Overview

overview

10

Static

static

3

1eac55e028...bN.exe

windows7-x64

10

1eac55e028...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1eac55e028894b3438a0e142cb8ee45667a5bb9425a6306450b66cfab53907abN.exe

  • Size

    296KB

  • Sample

    241130-fzk1zatrgy

  • MD5

    acc5ee3a29f93b1eb4812d7dcb118790

  • SHA1

    23b5ad343940665c72881f21d0ae45a8af7b9d84

  • SHA256

    1eac55e028894b3438a0e142cb8ee45667a5bb9425a6306450b66cfab53907ab

  • SHA512

    4617fbe53d073733f4ba74d0569e3da73452c77f3cf3fb0b67ee379a45a7e3cfc1c0d8312f8c54e113d27dfd42c72330ddbe980d15f71cddceef3b8362177b81

  • SSDEEP

    3072:W5RlnhsIl2rpIARA1+6NhZ6P0c9fpxg6pg:W5Rbpl29ONPKG6g

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

      1eac55e028894b3438a0e142cb8ee45667a5bb9425a6306450b66cfab53907abN.exe

    • Size

      296KB

    • MD5

      acc5ee3a29f93b1eb4812d7dcb118790

    • SHA1

      23b5ad343940665c72881f21d0ae45a8af7b9d84

    • SHA256

      1eac55e028894b3438a0e142cb8ee45667a5bb9425a6306450b66cfab53907ab

    • SHA512

      4617fbe53d073733f4ba74d0569e3da73452c77f3cf3fb0b67ee379a45a7e3cfc1c0d8312f8c54e113d27dfd42c72330ddbe980d15f71cddceef3b8362177b81

    • SSDEEP

      3072:W5RlnhsIl2rpIARA1+6NhZ6P0c9fpxg6pg:W5Rbpl29ONPKG6g

    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