Overview

overview

10

Static

static

10

8634df8ecc...20.exe

windows7-x64

10

8634df8ecc...20.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8634df8ecc578b8b9bc32b3923bb43608ec82df7008c7c4d79ba59bdc6053f20

  • Size

    128KB

  • Sample

    250307-1752bsysdt

  • MD5

    b9f3d534b89c26933c3c56311bf921c3

  • SHA1

    95b8309aa5b0c330505799ac1517379b3a17959a

  • SHA256

    8634df8ecc578b8b9bc32b3923bb43608ec82df7008c7c4d79ba59bdc6053f20

  • SHA512

    d833bb64b49deb5d0eea23df6345cfc2638c0b0a7ba832bda8d7728c5ced8eccc97f313b65aaa3ef1b3a1773d6d06e35d44198b16de992b56ea8875794952eab

  • SSDEEP

    3072:HuRMY97qhHZaI7DL63emOy9f4bwf1nFzwSAJB8O:Huak7qhHZaI7DL63emOCf51n6xJmO

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

      8634df8ecc578b8b9bc32b3923bb43608ec82df7008c7c4d79ba59bdc6053f20

    • Size

      128KB

    • MD5

      b9f3d534b89c26933c3c56311bf921c3

    • SHA1

      95b8309aa5b0c330505799ac1517379b3a17959a

    • SHA256

      8634df8ecc578b8b9bc32b3923bb43608ec82df7008c7c4d79ba59bdc6053f20

    • SHA512

      d833bb64b49deb5d0eea23df6345cfc2638c0b0a7ba832bda8d7728c5ced8eccc97f313b65aaa3ef1b3a1773d6d06e35d44198b16de992b56ea8875794952eab

    • SSDEEP

      3072:HuRMY97qhHZaI7DL63emOy9f4bwf1nFzwSAJB8O:Huak7qhHZaI7DL63emOCf51n6xJmO

    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