Overview

overview

10

Static

static

3

3d4d94fa49...cc.exe

windows7-x64

10

3d4d94fa49...cc.exe

windows10-2004-x64

10

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General

  • Target

    3d4d94fa4986aa45dd7ac602f5668ce5c6fb4f8ea19d5e3d8e63aef1d01a8ecc

  • Size

    1.2MB

  • Sample

    250307-c5l9faswc1

  • MD5

    a741509ef65391f99174c5c72aae8ae0

  • SHA1

    fb06fee1f4792e2119fb851e10975f69fb8030a6

  • SHA256

    3d4d94fa4986aa45dd7ac602f5668ce5c6fb4f8ea19d5e3d8e63aef1d01a8ecc

  • SHA512

    f8595e479e13b2df5aed7d7d385b8320ab2d8bb0cdb893866dae07b9bd8b0c821ef4fb7b1bb4e21d864f8bdbf874c292cc0a8570b45a8645e4bfa7d859bb8c7a

  • SSDEEP

    6144:zZmJmAZ7tc5E5ZC2npb+oB+Zz2HG8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymLT:tRk7tmAbaz22cWfVaw0HBHY8r8ABw

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

      3d4d94fa4986aa45dd7ac602f5668ce5c6fb4f8ea19d5e3d8e63aef1d01a8ecc

    • Size

      1.2MB

    • MD5

      a741509ef65391f99174c5c72aae8ae0

    • SHA1

      fb06fee1f4792e2119fb851e10975f69fb8030a6

    • SHA256

      3d4d94fa4986aa45dd7ac602f5668ce5c6fb4f8ea19d5e3d8e63aef1d01a8ecc

    • SHA512

      f8595e479e13b2df5aed7d7d385b8320ab2d8bb0cdb893866dae07b9bd8b0c821ef4fb7b1bb4e21d864f8bdbf874c292cc0a8570b45a8645e4bfa7d859bb8c7a

    • SSDEEP

      6144:zZmJmAZ7tc5E5ZC2npb+oB+Zz2HG8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymLT:tRk7tmAbaz22cWfVaw0HBHY8r8ABw

    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