Overview

overview

10

Static

static

3

7fd538ab99...bN.exe

windows7-x64

10

7fd538ab99...bN.exe

windows10-2004-x64

10

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General

  • Target

    7fd538ab992a33d9fe5d01bb93e24017d825243c432eb4e5eb01c46d184fb2fbN.exe

  • Size

    295KB

  • Sample

    241208-ehnj4awpej

  • MD5

    487dad639d7ac2789f2301c1a6d5d9e0

  • SHA1

    750a395591febf5da5a1f92f5feff349830a53d4

  • SHA256

    7fd538ab992a33d9fe5d01bb93e24017d825243c432eb4e5eb01c46d184fb2fb

  • SHA512

    81169a49cc6fac7f87e6ee0d345503361d368bfd677abac4abf19a2cdefd1aa015f665e9448bdc751ca90330bd4942b346d2e9665f7bc3cdbe322182c8e27011

  • SSDEEP

    6144:WnSer10ksiKY1m1PY1PRe19V+tbFOLM77OLY:6Sep0ksT6fe0tsNM

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

      7fd538ab992a33d9fe5d01bb93e24017d825243c432eb4e5eb01c46d184fb2fbN.exe

    • Size

      295KB

    • MD5

      487dad639d7ac2789f2301c1a6d5d9e0

    • SHA1

      750a395591febf5da5a1f92f5feff349830a53d4

    • SHA256

      7fd538ab992a33d9fe5d01bb93e24017d825243c432eb4e5eb01c46d184fb2fb

    • SHA512

      81169a49cc6fac7f87e6ee0d345503361d368bfd677abac4abf19a2cdefd1aa015f665e9448bdc751ca90330bd4942b346d2e9665f7bc3cdbe322182c8e27011

    • SSDEEP

      6144:WnSer10ksiKY1m1PY1PRe19V+tbFOLM77OLY:6Sep0ksT6fe0tsNM

    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