Overview

overview

10

Static

static

3

1e4c9acd2e...3N.exe

windows7-x64

10

1e4c9acd2e...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1e4c9acd2eabcb363b4ec4973fd6e0ffcc6b42ca3b7dac84dc73d1c7737c8843N.exe

  • Size

    74KB

  • Sample

    241207-y58y4axkfl

  • MD5

    6f84ad914d98c0bf726828d96086e920

  • SHA1

    9a51bfed5450d4fffb2930323560abbef33d7908

  • SHA256

    1e4c9acd2eabcb363b4ec4973fd6e0ffcc6b42ca3b7dac84dc73d1c7737c8843

  • SHA512

    70d04900ab5c3608768486eb9986560040385a0ecce86754a2065daa21c6f270c0d56e8c419ee0b0defcb9eb1c1617169c21987aaca5715243acfa487c3c45d9

  • SSDEEP

    1536:A7E5QwzaF7/D3uW6YKLTkRnLNYjKeRlDkUVDkUr+:235txK3kRLNwDtVDtr

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

      1e4c9acd2eabcb363b4ec4973fd6e0ffcc6b42ca3b7dac84dc73d1c7737c8843N.exe

    • Size

      74KB

    • MD5

      6f84ad914d98c0bf726828d96086e920

    • SHA1

      9a51bfed5450d4fffb2930323560abbef33d7908

    • SHA256

      1e4c9acd2eabcb363b4ec4973fd6e0ffcc6b42ca3b7dac84dc73d1c7737c8843

    • SHA512

      70d04900ab5c3608768486eb9986560040385a0ecce86754a2065daa21c6f270c0d56e8c419ee0b0defcb9eb1c1617169c21987aaca5715243acfa487c3c45d9

    • SSDEEP

      1536:A7E5QwzaF7/D3uW6YKLTkRnLNYjKeRlDkUVDkUr+:235txK3kRLNwDtVDtr

    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