Overview

overview

10

Static

static

10

4c266f447a...dN.exe

windows7-x64

10

4c266f447a...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c266f447a6567ee06ce583c891843125bfe6c0e5094a6623634e62284b2e64dN.exe

  • Size

    448KB

  • Sample

    241207-2z255symhw

  • MD5

    c682c3f09663fb93cfa89aab34d9bfb0

  • SHA1

    cf6708e456341748258a5e0f1d3e93ee0a84560b

  • SHA256

    4c266f447a6567ee06ce583c891843125bfe6c0e5094a6623634e62284b2e64d

  • SHA512

    d4bc20f64ab40c30e57d5c844b6383fecc703cc8e8adc83099fb226ed4be6779bcc100502a23824744dcbba73180e5b2073fe429c80e49bdd00f24733ed4a148

  • SSDEEP

    6144:wM/T4YgCcr8OJ+9ZiLUmKyIxLDXXoq9FJZCUmKyIxL:wM/cXT+W32XXf9Do3

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

      4c266f447a6567ee06ce583c891843125bfe6c0e5094a6623634e62284b2e64dN.exe

    • Size

      448KB

    • MD5

      c682c3f09663fb93cfa89aab34d9bfb0

    • SHA1

      cf6708e456341748258a5e0f1d3e93ee0a84560b

    • SHA256

      4c266f447a6567ee06ce583c891843125bfe6c0e5094a6623634e62284b2e64d

    • SHA512

      d4bc20f64ab40c30e57d5c844b6383fecc703cc8e8adc83099fb226ed4be6779bcc100502a23824744dcbba73180e5b2073fe429c80e49bdd00f24733ed4a148

    • SSDEEP

      6144:wM/T4YgCcr8OJ+9ZiLUmKyIxLDXXoq9FJZCUmKyIxL:wM/cXT+W32XXf9Do3

    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