Overview

overview

10

Static

static

3

3fa1469b0b...52.exe

windows7-x64

10

3fa1469b0b...52.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3fa1469b0b96d6c77146843a3bbe1f2a4cdb4f757f7db3b48a21c7b43e6e2952

  • Size

    207KB

  • Sample

    250307-ebk6dstqv9

  • MD5

    72521bac22cdceca6a84f7e5072996fe

  • SHA1

    b4186987a3d897e2950d8b7a378dd8510bc785d0

  • SHA256

    3fa1469b0b96d6c77146843a3bbe1f2a4cdb4f757f7db3b48a21c7b43e6e2952

  • SHA512

    c39fdd1d0f6b1acae89a5064c0095b91e93273928ef8ff647d29f69c7265af80e334cdb69b2ed09b59af415d022563b940139f892bc706fc1e8058bed5289fb9

  • SSDEEP

    3072:J9Qz/G5BqQpKEFjUM6JCjaBVjoSdoxx4KcWmjRrzyAyAtWgoJSWYVo2ASOvojoS:H5BtKEFjUMRGBVjj+VPj92d62ASOwj

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

      3fa1469b0b96d6c77146843a3bbe1f2a4cdb4f757f7db3b48a21c7b43e6e2952

    • Size

      207KB

    • MD5

      72521bac22cdceca6a84f7e5072996fe

    • SHA1

      b4186987a3d897e2950d8b7a378dd8510bc785d0

    • SHA256

      3fa1469b0b96d6c77146843a3bbe1f2a4cdb4f757f7db3b48a21c7b43e6e2952

    • SHA512

      c39fdd1d0f6b1acae89a5064c0095b91e93273928ef8ff647d29f69c7265af80e334cdb69b2ed09b59af415d022563b940139f892bc706fc1e8058bed5289fb9

    • SSDEEP

      3072:J9Qz/G5BqQpKEFjUM6JCjaBVjoSdoxx4KcWmjRrzyAyAtWgoJSWYVo2ASOvojoS:H5BtKEFjUMRGBVjj+VPj92d62ASOwj

    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